| (Mark      One) |   |                                                                                          |
|-----------------|--------|----------------------------------------------------------------------------------------------------|
| x               |   | ANNUAL      REPORT PURSUANT TO SECTION 13 OR 15(d) OF      THE SECURITIES EXCHANGE ACT OF1934 |

| o |   | TRANSITION      REPORT PURSUANT TO SECTION 13 OR 15(d) OF      THE SECURITIES EXCHANGE ACT OF1934 |
|---|--------|--------------------------------------------------------------------------------------------------------|

| Delaware                                                                      |   | 52-2243564                                          |
|-------------------------------------------------------------------------------|--------|-----------------------------------------------------|
| (State      or Other Jurisdiction of Incorporation      or Organization) |   | (I.R.S.      Employer Identification      No.) |
|                                                                          |   |                                                |
| 6707      Democracy Boulevard, Suite 505 Bethesda,      MD               |   | 20817                                               |
| (Address      of Principal Executive Offices)                                 |   | (Zip      Code)                                     |

| Title      of Each Class                                                                                                                                |   | Name      of Each Exchange on Which Registered |
|---------------------------------------------------------------------------------------------------------------------------------------------------------|--------|------------------------------------------------|
| Common      Stock, par value $0.00004 per share, including      associated Series A Junior Participating      Preferred Stock Purchase Rights |   | Nasdaq      Global Market                      |

| Large accelerated filer o |   | Accelerated filer x |   | Non-accelerated filer o (Do not check if a smaller reporting company) |   | Smaller reporting company o |
|------------------------------------------|--------|-------------------------------|--------|-------------------------------------------------------------------------------------------------------------------------|--------|--------------------------------------------|

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| Plan Category                                                  |   | Number of Securities to BeIssued Upon Exercise ofOutstanding Options, Warrants and Rights (a) |      |   | Weighted-AverageExercise Price ofOutstandingOptions,       Warrantsand Rights (b) |   |   | Number of SecuritiesRemaining Availablefor Issuance UnderEquityCompensation Plans(Excluding SecuritiesReflected in Column(a)) (c) |   |
|---------------------------------------------------------------------|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------|-----------|--------|------------------------------------------------------------------------------------------------------------|--------|--------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|
| Equity      compensation plans approved by security      holders(1) |   |                                                                                                                                                      | 7,723,313 |   |                                                                                                       | $      | 3.58   |                                                                                                                                                                                |   |   | 1,035,778 |   |
| Equity      compensation plans not approved by security holders(2)  |   |                                                                                                                                                      | 1,328,276 |   |                                                                                                       | $      | 2.94   |                                                                                                                                                                                |   |   | 292,099 |   |
| Total                                                               |   |                                                                                                                                                      | 9,051,589 |   |                                                                                                       | $      | 3.48   |                                                                                                                                                                                |   |   | 1,327,877 |   |

| (1)  | Includes      the 2003 Amended and Restated Equity Incentive Plan and the Employee Stock      Purchase Plan. On January 1 of each year during the initial ten-year term      of the 2003 Amended and Restated Equity Incentive Plan, the number of      shares which may be issued under such plan is increased by the least of      (i) five percent (5%) of the Company's outstanding shares on such date,      (ii) 2,500,000 shares or (iii) a lesser amount determined by the board. No      shares are currently outstanding under the Employee Stock Purchase Plan      and 234,819 shares remain available under that  plan. |
|-----------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (2) | Consists      of the 2006 Equity Incentive Award Plan and the Third Amended and Restated      2000 Stock Incentive Award Plan. |
|-----|--------------------------------------------------------------------------------------------------------------------------------|

| Exhibit Number |   | Description                                                                                                                                                                                                                                                                                                                                                                                                                  |
|---------------------|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 3.1(5)              |   | Amended      and Restated Certificate of Incorporation of the  Registrant                                                                                                                                                                                                                                                                                                                                                    |
| 3.2(13)             |   | Certificate      of Amendment of the Amended and Restated Certificate of Incorporation of      the Registrant                                                                                                                                                                                                                                                                                                                |
| 3.3(7)              |   | Certificate      of Designations of Series A Junior Participating Preferred Stock of the      Registrant                                                                                                                                                                                                                                                                                                                     |
| 3.4(22)             |   | Amended      and Restated Bylaws effective October 3, 2007                                                                                                                                                                                                                                                                                                                                                                   |
| 4.1(28)             |   | Form      of Specimen Common Stock Certificate                                                                                                                                                                                                                                                                                                                                                                               |
| 4.2(7)              |   | Rights      Agreement, by and between the Registrant and American Stock Transfer &      Trust Company, LLC, which includes the form of Certificate of Designations      of the Series A Junior Participating Preferred Stock of the Registrant as      Exhibit A, the form of Right Certificate as Exhibit B and the Summary of      Rights to Purchase Preferred Shares as Exhibit C, dated as of November 3,      2004 |

----

| 4.3(10)          |   | First      Amendment to Rights Agreement, by and between the Registrant and American      Stock Transfer & Trust Company, LLC, dated as of March 17,      2006          |
|------------------|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 4.4(18)          |   | Form      of Warrant to Purchase Common Stock, dated May 5, 2006                                                                                                            |
| 4.5(14)          |   | Form      of Warrants to purchase an aggregate of 555,556 shares of Common Stock, in      favor of funds affiliated with NGN Capital, LLC, dated July 24,      2006         |
| 4.6(20)          |   | Warrant      to Purchase Common Stock, dated June 19, 2007                                                                                                                  |
| 4.7(20)          |   | Alternate      Warrant to Purchase Common Stock, dated June 19, 2007                                                                                                        |
| 4.8(25)          |   | Form      of Warrant to Purchase Common Stock dated October 2,  2008                                                                                                        |
| 4.9(25)          |   | Alternate      Form of Warrant to Purchase Common Stock dated October 2,    2008                                                                                            |
| 4.10(26)         |   | Common      Stock Purchase Agreement dated December 1, 2008 between the Registrant and      Kingsbridge Capital Limited                                                     |
| 4.11(26)         |   | Registration      Rights Agreement dated December 1, 2008 between the Registrant and      Kingsbridge Capital Limited                                                       |
| 4.12(16)         |   | Warrant      to purchase 285,000 shares of Common Stock, issued to Kingsbridge Capital      Limited, dated August 30, 2006                                                  |
| 4.13(26)         |   | Warrant      to Purchase Common Stock dated December 1, 2008 and issued to Kingsbridge      Capital Limited                                                                 |
| 10.1(17)(#)      |   | Executive      Employment Agreement, by and between the Registrant and Christian Itin,      dated June 2, 2006                                                              |
| 10.2(24)(#)      |   | Executive      Employment Agreement, by and between the Registrant and Barclay Phillips,      dated August 30, 2008                                                         |
| 10.3(27)(#)      |   | Amendment      No. 1 to Executive Employment Agreement, by and between the Registrant and      Barclay Phillips, dated November 18, 2008                                    |
| 10.4(27)(#)      |   | Amendment      No. 2 to Executive Employment Agreement, by and between the Registrant and      Barclay Phillips, dated December 23, 2008                                    |
| 10.5(27)(#)      |   | Amended      and Restated Executive Employment Agreement, by and between the Registrant      and Matthias Alder, dated December 23, 2008                                    |
| 10.6(27)(#)      |   | Amended      and Restated Executive Employment Agreement, by and between the Registrant      and Mark Reisenauer, dated December 23, 2008                                   |
| 10.7(32)(#)      |   | Executive      Employment Agreement, by and between the Registrant and Jan Fagerberg,      dated September 17, 2009                                                         |
| 10.8(18)(#)      |   | Executive      Employment Agreement, by and between the Registrant and Jens Hennecke,      dated June 2, 2006                                                               |
| 10.9(18)(#)      |   | Executive      Employment Agreement, by and between the Registrant and Patrick Baeuerle,      dated June 2, 2006                                                            |
| 10.10(30)(#)     |   | Separation      Agreement by and between the Registrant and Carsten Reinhardt, dated July      6, 2009                                                                      |
| 10.11(28)(#)     |   | 2009      Management Incentive Compensation Plan                                                                                                                            |
| 10.12(29)(#)     |   | Non-Employee      Director Compensation Policy                                                                                                                              |
| 10.13(2)(#)      |   | Third      Amended and Restated 2000 Stock Incentive Plan                                                                                                                   |
| 10.14(4)(#)      |   | Employee      Stock Purchase Plan                                                                                                                                           |
| 10.15(31)(#)     |   | Amended      and Restated 2003 Equity Incentive Award Plan                                                                                                                  |
| 10.16(18)(#)     |   | 2006      Equity Incentive Award Plan                                                                                                                                       |
| 10.17(2)(#)      |   | Form      of Indemnification Agreement entered into by the Registrant with its      directors and executive officers                                                        |
| 10.18(21)        |   | Office      Building Lease Agreement dated April 1, 2007 between Micromet, Inc. and      Second Rock Spring Park Limited Partnership                                        |
| 10.19(18)(@)     |   | Lease      Agreement by and between Micromet AG and GEK      Grundstücksverwaltungsgesellschaft mbH & Co. Objekt Eins KG, dated      December 10, 2002, as amended |
| 10.20(21)(&) |   | Sublease      Agreement, dated June 15, 2007, by and between Micromet AG and Roche      Diagnostics GmBH                                                                    |
| 10.21(32)(@)     |   | Lease      Agreement by and between Micromet AG and KFV Immobilienverwaltungs GmbH,      dated November 4, 2009                                                             |
| 10.22(1)         |   | Standard      Industrial/Commercial Single-Tenant Lease-Net, by and between the      Registrant and Blackmore Airport Centre, dated August 31,    2001                      |

----

| 10.23(12)    |   | Sublease      Agreement, by and between the Registrant and Genoptix, Inc., dated as of      April 26, 2006                                                                                                                                                                      |
|--------------|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 10.24(19)    |   | Amendment      No. 1 to Sublease dated April 2, 2007 by and between Micromet, Inc. and      Genoptix, Inc.                                                                                                                                                                      |
| 10.25(1)     |   | Lease,      by and between Spieker Properties, L.P. and John Wayne Cancer Institute,      made as of July 22, 1999                                                                                                                                                              |
| 10.26(1)     |   | Agreement      of Lease Assignment, by and between the Registrant and John Wayne Cancer      Institute, dated as of August 4, 2000                                                                                                                                              |
| 10.27(1)     |   | First      Amendment to Lease, by and between the Registrant (as successor in      interest to John Wayne Cancer Institute) and EOP — Marina Business Center,      L.L.C. (as successor in interest to Spieker Properties, L.P.), entered      into as of October 1, 2001 |
| 10.28(1)     |   | Second      Amendment to Lease, by and between the Registrant and EOP — Marina      Business Center, L.L.C., entered into as of September 4,    2002                                                                                                                      |
| 10.29(8)     |   | Third      Amendment to Lease, by and between the Registrant and CA-Marina Business      Center Limited Partnership, entered into as of November 14,      2003                                                                                                                  |
| 10.30(9)     |   | Fourth      Amendment to Lease, by and between the Registrant and Marina Business      Center, LLC, entered into as of January 18, 2005                                                                                                                                         |
| 10.31(13)    |   | Fifth      Amendment to Lease, by and among the Registrant, Marina Business Center,      LLC, and American Bioscience, Inc., dated as of April 18,    2006                                                                                                                      |
| 10.32(11)    |   | Assignment      and Assumption of Lease, by and between the Registrant and American      Bioscience, Inc., effective as of May 1, 2006                                                                                                                                          |
| 10.33(+)     |   | Termination      and License Agreement, by and between MedImmune, LLC and Micromet AG,      dated as of November 4, 2009                                                                                                                                                        |
| 10.34(+)     |   | Development      and Supply Agreement, by and between Lonza Sales AG and Micromet AG, dated      as of November 23, 2009                                                                                                                                                        |
| 10.35(18)(%) |   | BiTE      Research Collaboration Agreement, by and between Micromet AG and      MedImmune, Inc., dated June 6, 2003                                                                                                                                                             |
| 10.36(28)(%) |   | Option,      Collaboration and License Agreement, by and between Micromet AG and Bayer      Schering Pharma AG, dated January 12, 2009                                                                                                                                          |
| 10.37(+)     |   | Amendment      No. 1 to Option, Collaboration and License Agreement, by and between      Micromet AG and Bayer Schering Pharma AG, dated as of November 25,      2009                                                                                                           |
| 10.38(+)     |   | Collaboration      and License Agreement, by and between Micromet AG and sanofi-aventis,      dated October 28, 2009                                                                                                                                                            |
| 10.39(21)(%) |   | Collaboration      and License Agreement, dated May 24, 2007, by and between Micromet AG and      Altana Pharma AG, a wholly-owned subsidiary of Nycomed  A/S                                                                                                                   |
| 10.40(19)(%) |   | License      Agreement dated March 14, 2007 by and between Cell-Matrix, Inc. and TRACON      Pharmaceuticals, Inc.                                                                                                                                                              |
| 10.41(18)(%) |   | Collaboration      and License Agreement, by and between Micromet AG and Ares Trading S.A.,      dated as of December 3, 2004, as amended on November 30,    2006                                                                                                               |
| 10.42(23)(%) |   | Second      Amendment to Collaboration and License Agreement dated October 19, 2007 by      and between Micromet AG and Merck Serono International  SA                                                                                                                          |
| 10.43(18)(%) |   | Research      and License Agreement, by and between Micromet AG and Biovation Limited,      dated August 14, 2001, as amended on September 26, 2002 and June 16,      2004                                                                                                      |
| 10.44(18)(%) |   | Non-Exclusive      Product License Agreement for MT201, by and between Micromet AG and      Cambridge Antibody Technology Limited, dated September 3, 2003, as amended      on March 17, 2005                                                                                   |
| 10.45(18)(%) |   | Non-Exclusive      Product License Agreement for MT203, by and between Micromet AG and      Cambridge Antibody Technology Limited, dated November 3, 2003, as amended      on March 17, 2005                                                                                    |
| 10.46(18)(%) |   | Amended      and Restated Cross-License Agreement, by and between Micromet AG and Enzon      Pharmaceuticals, Inc., dated June 28, 2004, as amended on March 17,      2005                                                                                                      |
| 10.47(18)(%) |   | GM-CSF      License Agreement, by and between Micromet AG and Enzon Pharmaceuticals,      Inc., dated November 21, 2005                                                                                                                                                         |
| 10.48(6)(%)  |   | Amended      and Restated Collaboration Agreement, by and between Cell-Matrix, Inc., a      wholly owned subsidiary of the Registrant, and Applied Molecular      Evolution, dated as of October 15,2004                                                                        |

----

| 10.49(15)(%)    |   | First      Amendment to Amended and Restated Collaboration Agreement, by and between      Cell-Matrix, Inc., a wholly-owned subsidiary of the Registrant, and      Applied Molecular Evolution, dated as of June 10, 2006 |
|-----------------|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 10.50(3)(%)     |   | License      Agreement, by and between the University of Southern California and      Cell-Matrix, Inc. f/k/a Bio-Management, Inc., dated September 19,      1999                                                         |
| 10.51(18)(%)    |   | First      Amendment to License Agreement, by and between the University of Southern      California and Cell-Matrix, Inc., dated as of February 23,      2007                                                            |
| 11.1(32)        |   | Computation      of Per Share Earnings                                                                                                                                                                                    |
| 21.1(32)        |   | List      of Subsidiaries                                                                                                                                                                                                 |
| 23.1(32)        |   | Consent      of Ernst & Young LLP                                                                                                                                                                                     |
| 23.2(32)        |   | Consent      of Ernst & Young GmbH WPG, formerly known as Ernst & Young AG and      Ernst & Young Deutsche Allgemeine Treuhand AG WPG                                                                         |
| 24.1(32)        |   | Powers      of Attorney                                                                                                                                                                                                   |
| 31.1            |   | Certification      of Principal Executive Officer pursuant to Rules 13a-14 and 15d-14      promulgated under the Securities Exchange Act of 1934                                                                          |
| 31.2            |   | Certification      of Principal Financial Officer pursuant to Rules 13a-14 and 15d-14      promulgated under the Securities Exchange Act of 1934                                                                          |
| 32(32)      (*) |   | Certifications      of Principal Executive Officer and Principal Financial Officer pursuant to      18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the      Sarbanes-Oxley Act of 2002                     |

----

| (1) | Previously      filed on August 14, 2003 as an exhibit to the Registrant’s Registration      Statement on Form S-1 (Registration No. 333-107993) and incorporated by      reference herein. |
|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |                                                                                                                                                                                                                     |
|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| (2)    | Previously      filed on September 16, 2003 as an exhibit to Amendment No. 2 to the      Registrant’s Registration Statement on Form S-1 (Registration No.      333-107993) and incorporated by reference  herein. |

|   |                                                                                                                                                                                                                   |
|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| (3)    | Previously      filed on October 24, 2003 as an exhibit to Amendment No. 4 to the      Registrant’s Registration Statement on Form S-1 (Registration No.      333-107993) and incorporated by reference  herein. |

|   |                                                                                                                                                                                               |
|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| (4)    | Previously      filed on October 30, 2003 as an exhibit to the Registrant’s Registration      Statement on Form S-8 (Registration No. 333-110085) and incorporated by      reference herein. |

|   |                                                                                                                                                         |
|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------------|
| (5)    | Previously      filed on December 11, 2003 as an exhibit to the Registrant’s Quarterly      Report on Form 10-Q and incorporated by reference  herein. |

|   |                                                                                                                                                     |
|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------|
| (6)    | Previously      filed on October 21, 2004 as an exhibit to the Registrant’s Current Report      on Form 8-K and incorporated by reference  herein. |

|   |                                                                                                                                                     |
|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------|
| (7)    | Previously      filed on November 8, 2004 as an exhibit to the Registrant’s Current Report      on Form 8-K and incorporated by reference  herein. |

|   |                                                                                                                                                      |
|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------|
| (8)    | Previously      filed on December 29, 2004 as an exhibit to the Registrant’s Current      Report on Form 8-K and incorporated by reference  herein. |

|   |                                                                                                                                                     |
|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------|
| (9)    | Previously      filed on January 20, 2005 as an exhibit to the Registrant’s Current Report      on Form 8-K and incorporated by reference  herein. |

|   |                                                                                                                                                   |
|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------|
| (10)   | Previously      filed on March 20, 2006 as an exhibit to the Registrant’s Current Report      on Form 8-K and incorporated by reference  herein. |

|   |                                                                                                                                                   |
|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------|
| (11)   | Previously      filed on April 20, 2006 as an exhibit to the Registrant’s Current Report      on Form 8-K and incorporated by reference  herein. |

----

| (12)   | Previously      filed on May 1, 2006 as an exhibit to the Registrant’s Current Report on      Form 8-K and incorporated by reference herein. |
|--------|----------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                               |

| (13) | Previously      filed on May 10, 2006 as an exhibit to the Registrant’s Quarterly Report      on Form 10-Q and incorporated by reference  herein. |
|------|---------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |                                                                                                                                                 |
|--------|------------------------------------------------------------------------------------------------------------------------------------------------------|
| (14)   | Previously      filed on July 26, 2006 as an exhibit to the Registrant’s Current Report on      Form 8-K and incorporated by reference herein. |
|   |                                                                                                                                                 |

| (15)   | Previously      filed on August 8, 2006 as an exhibit to the Registrant’s Quarterly Report      on Form 10-Q and incorporated by reference herein. |
|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                     |

| (16)   | Previously      filed on August 31, 2006 as an exhibit to the Registrant’s Current Report      on Form 8-K and incorporated by reference herein. |
|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                   |

| (17)   | Previously      filed on November 9, 2006 as an exhibit to the Registrant’s Quarterly      Report on Form 10-Q and incorporated by reference  herein. |
|--------|-------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                        |

| (18)   | Previously      filed on March 16, 2007 as an exhibit to the Registrant’s Annual Report on      Form 10-K and incorporated by reference herein. |
|--------|-------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                  |

| (19)   | Previously      filed on May 10, 2007 as an exhibit to the Registrant’s Quarterly Report      on Form 10-Q and incorporated by reference herein. |
|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                   |

| (20)   | Previously      filed on June 21, 2007 as an exhibit to the Registrant’s Current Report on      Form 8-K and incorporated by reference herein. |
|--------|------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                 |

| (21)   | Previously      filed on August 9, 2007 as an exhibit to the Registrant’s Quarterly Report      on Form 10-Q and incorporated by reference herein. |
|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                     |

| (22)   | Previously      filed on October 9, 2007 as an exhibit to the Registrant’s Current Report      on Form 8-K and incorporated by reference herein. |
|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                   |

| (23)   | Previously      filed on March 14, 2008 as an exhibit to the Registrant’s Annual Report on      Form 10-K and incorporated by reference herein. |
|--------|-------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                  |

| (24)   | Previously      filed on September 2, 2008 as an exhibit to the Registrant’s Current      Report on Form 8-K and incorporated by referenceherein. |
|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                    |

| (25)   | Previously      filed on October 6, 2008 as an exhibit to the Registrant’s Current Report      on Form 8-K and incorporated by reference herein. |
|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                   |

| (26)   | Previously      filed on December 2, 2008 as an exhibit to the Registrant’s Current Report      on Form 8-K and incorporated by reference herein. |
|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                    |

| (27)   | Previously      filed on March 16, 2009 as an exhibit to the Registrant’s Annual Report on      Form 10-K and incorporated by reference herein. |
|--------|-------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                  |

| (28)   | Previously      filed on May 11, 2009 as an exhibit to the Registrant’s Quarterly Report      on Form 10-Q and incorporated by reference herein. |
|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                   |

| (29)   | Previously      filed on August 6, 2009 as an exhibit to the Registrant’s Quarterly Report      on Form 10-Q and incorporated by reference herein. |
|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                     |

| (30) | Previously      filed on November 6, 2009 as an exhibit to the Registrant’s Quarterly      Report on Form 10-Q and incorporated by reference  herein. |
|------|-------------------------------------------------------------------------------------------------------------------------------------------------------------|

----

| (31)   | Previously      filed on December 18, 2009 as an exhibit to the Registrant’s Registration      Statement on Form S-8 and incorporated by reference  herein. |
|--------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                              |

| (32)   | Previously      filed on March 5, 2010 as an exhibit to the Registrant’s Annual Report on      Form 10-K and incorporated by reference herein. |
|--------|------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                 |

| &  | Indicates      that the exhibit is an English translation of a foreign language      document. |
|--------|------------------------------------------------------------------------------------------------|
|   |                                                                                           |

| @      | Indicates      that the exhibit is an English summary of a foreign language      document. |
|--------|--------------------------------------------------------------------------------------------|
|   |                                                                                       |

| #      | Indicates      management contract or compensatory plan. |
|--------|----------------------------------------------------------|
|   |                                                     |

| %      | The      Registrant has been granted confidential treatment with respect to certain      portions of this exhibit (indicated by asterisks), which have been filed      separately with the Securities and Exchange Commission. |
|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                                                                                           |

| +      | Portions      of this exhibit (indicated by asterisks) have been omitted pursuant to a      request for confidential treatment and have been separately filed with the      Securities and Exchange Commission. |
|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                                                                            |

| * | These      certifications are being furnished solely to accompany this annual report      pursuant to 18 U.S.C. Section 1350, and are not being filed for purposes      of Section 18 of the Securities Exchange Act of 1934 and are not to be      incorporated by reference into any filing of the Registrant, whether made      before or after the date hereof, regardless of any general incorporation      language in such filing. |
|---|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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|                      |   | MICROMET,      INC. |
|---------------------------|--------|---------------------|
|                      |   |                |   |
|                      |   | By:                 | /s/ Christian Itin |
|                      |   |                |        Christian Itin |
|                      |   |                |        President and Chief Executive Officer |
|                      |   |                |        (Principal Executive Officer) |
|                      |   |                |   |
|                      |   |                |   |
|                      |   | By:                 | /s/ Barclay A. Phillips |
|                      |   |                |        Barclay A. Phillips |
|                      |   |                |        Senior Vice President and Chief Financial Officer |
|                      |   |                |        (Principal Financial Officer) |
|                      |   |                |   |
| Dated:      July 20, 2010 |   |                |   |

----