| Exhibit 99.1:  MabVax Therapeutics, Inc. – Granted and Pending Patents and Applications |  August 12, 2015 |
|----------------------------------------------------------------------------------------------------|-----------------------|

| Country                                | ApplicationNo.    | FilingDate  | PatentNo. | IssuedDate | Status  | Estimated Expiration Date* | Title                                                     | Owner                     |
|----------------------------------------|-------------------|-------------|-----------|------------|---------|----------------------------|-----------------------------------------------------------|---------------------------|
| MabVax Therapeutics, Inc.Owned Patents |
| 1. US                                  | 14/468,827        | 26-Aug-2014 |      |       | Pending | 26-Aug-2034                | NUCLEIC ACIDS ENCODING HUMAN ANTIBODIES TO SIALYL-LEWIS A | MabVax Therapeutics, Inc. |
| 2. PCT                                 | PCT/US2014/052631 | 26-Aug-2014 |      |       | Pending | 26-Aug-2034                | NUCLEIC ACIDS ENCODING HUMAN ANTIBODIES TO SIALYL-LEWIS A | MabVax Therapeutics, Inc. |
| 3. US                                  | 14/730,036        | 03-Jun-2015 |      |       | Pending | 03-Jun-2035                | HUMAN MONOCLONAL ANTIBODIES TO GANGLIOSIDE GD2            | MabVax Therapeutics, Inc. |
| 4. PCT                                 | PCT/US2015/033954 | 03-Jun-2015 |      |       | Pending | 03-Jun-2035                | HUMAN MONOCLONAL ANTIBODIES TO GANGLIOSIDE GD2            | MabVax Therapeutics, Inc. |

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| Exhibit 99.1:  MabVax Therapeutics, Inc. – Granted and Pending Patents and Applications | August 12, 2015 |
|---------------------------------------------------------------------------------------------------------|-----------------|

|                                                                                                          |
|---------------------------------------------------------------------------------------------------------------|
|                                                                                                          |
| Country                                                                                                       | ApplicationNo. | FilingDate | PatentNo. | IssuedDate | Status | Estimated Expiration Date* | Title | Owner |
| MabVax Therapeutics, Inc.Sloan-Kettering Institute for Cancer Research (SKI)Licensed Applications and Patents |
| a) AU                                                                                                    | 67792/98 | 25-Mar-1998 | 750701 | 14-Nov-2002 | Granted | 25-Mar-2018 | ALPHA-O-LINKED GLYCOCONJUGATES, METHODS OF PREPARATION AND USES THEREOF | SKI |
| b) CA                                                                                                    | 2,286,798 | 25-Mar-1998 | 228798 | 07-Jan-2014 | Granted | 25-Mar-2018 | ALPHA-O-LINKED GLYCOCONJUGATES, METHODS OF PREPARATION AND USES THEREOF | SKI |

| c) CH | 98913180   | 25-Mar-1998 | 0996455 | 16-Dec-2009 | Granted | 25-Mar-2018 | ALPHA-O-LINKED GLYCOCONJUGATES, METHODS OF PREPARATION AND USES THEREOF | SKI |
|------------|------------|-------------|---------|-------------|---------|-------------|-------------------------------------------------------------------------|-----|
| d) DE | 69841385.7 | 25-Mar-1998 |    |        | Granted | 25-Mar-2018 | ALPHA-O-LINKED GLYCOCONJUGATES, METHODS OF PREPARATION AND USES THEREOF | SKI |
| e) EP | 98913180   | 25-Mar-1998 | 0996455 | 16-Dec-2009 | Granted | 25-Mar-2018 | ALPHA-O-LINKED GLYCOCONJUGATES, METHODS OF PREPARATION AND USES THEREOF | SKI |

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| Exhibit 99.1:  MabVax Therapeutics, Inc. – Granted and Pending Patents and Applications | August 12, 2015 |
|---------------------------------------------------------------------------------------------------------|-----------------|

| Country    | ApplicationNo. | FilingDate  | PatentNo. | IssuedDate  | Status  | Estimated Expiration Date* | Title                                                                   | Owner |
|------------|----------------|-------------|-----------|-------------|---------|----------------------------|-------------------------------------------------------------------------|-------|
| f) FR | 98913180       | 25-Mar-1998 | 0996455   | 16-Dec-2009 | Granted | 25-Mar-2018                | ALPHA-O-LINKED GLYCOCONJUGATES, METHODS OF PREPARATION AND USES THEREOF | SKI   |

| g) GB | 98913180   | 25-Mar-1998 | 0996455   | 16-Dec-2009 | Granted | 25-Mar-2018 | ALPHA-O-LINKED GLYCOCONJUGATES, METHODS OF PREPARATION AND USES THEREOF | SKI |
|------------|------------|-------------|-----------|-------------|---------|-------------|-------------------------------------------------------------------------|-----|
| h) JP | 10-543934  | 25-Mar-1998 | 4308918   | 15-May-2009 | Granted | 25-Mar-2018 | ALPHA-O-LINKED GLYCOCONJUGATES, METHODS OF PREPARATION AND USES THEREOF | SKI |
| i) US | 09/083,776 | 25-Mar-1998 | 6,660,714 | 9-Dec-2003  | Granted | 25-Mar-2018 | ALPHA-O-LINKED GLYCOCONJUGATES, METHODS OF PREPARATION AND USES THEREOF | SKI |
| j) US | 10/205,021 | 25-Jul-2002 | 7,160,856 | 9-Jan-2007  | Granted | 7-Oct-2019  | ALPHA-O-LINKED GLYCOCONJUGATES, METHODS OF PREPARATION AND USES THEREOF | SKI |
| k) US | 10/898,410 | 23-Jul-2004 | 7,550,146 | 23-Jun-2009 | Granted | 1-Mar-2019  | GLYCOPEPTIDE CONJUGATES AND USES THEREOF                                | SKI |

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| Exhibit 99.1:  MabVax Therapeutics, Inc. – Granted and Pending Patents and Applications | August 12, 2015 |
|---------------------------------------------------------------------------------------------------------|-----------------|

| Country | ApplicationNo. | FilingDate | PatentNo. | IssuedDate | Status | Estimated Expiration Date* | Title | Owner |
|---------|----------------|------------|-----------|------------|--------|----------------------------|-------|-------|

| l) US | 08/196,154 | 21-Jan-1994 | 7,014,856 | 21-Mar-2006 | Granted | 30-Aug-2022 (Date of Expiration is 21-Mar-2023 but TD to US 08/477,097 sets to this date) | GANGLIOSIDE-KLH CONJUGATE VACCINES PLUS QS-21 | SKI |
|------------|------------|-------------|-----------|-------------|---------|-------------------------------------------------------------------------------------------|-----------------------------------------------|-----|
| m) US | 08/475,784 | 07-Jun-1995 | 6,967,022 | 22-Nov-2005 | Granted | 30-Aug-2022 (Date of Expiration is 22-Nov-2022 but TD to US 08/477,097 sets to this date) | GANGLIOSIDE-KLH CONJUGATE VACCINES PLUS QS-21 | SKI |
| n) US | 08/477,097 | 07-Jun-1995 | 6,936,253 | 30-Aug-2005 | Granted | 30-Aug-2022                                                                               | GANGLIOSIDE-KLH CONJUGATE VACCINES PLUS QS-21 | SKI |
| o) US | 08/477,147 | 07-Jun-1995 | 7,001,601 | 21-Feb-2006 | Granted | 30-Aug-2022 (Date of Expiration is 21-Feb-2023 but TD to US 08/477,097 sets to this date) | GANGLIOSIDE-KLH CONJUGATE VACCINES PLUS QS-21 | SKI |
| p) US | 08/481,809 | 12-Jul-2005 | 6,916,476 | 12-Jul-2005 | Granted | 12-Jul-2022                                                                               | GANGLIOSIDE-KLH CONJUGATE VACCINES PLUS QS-21 | SKI |

| q) EP | 10184649.1 | 5-Jul-2002 |   |   | Pending | 5-Jul-2022 | POLYVALENT CONJUGATE VACCINE FOR CANCER | SKI |
|------------|------------|------------|--------|--------|---------|------------|-----------------------------------------|-----|

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| Exhibit 99.1:  MabVax Therapeutics, Inc. – Granted and Pending Patents and Applications | August 12, 2015 |
|---------------------------------------------------------------------------------------------------------|-----------------|

| Country    | ApplicationNo. | FilingDate  | PatentNo. | IssuedDate  | Status  | Estimated Expiration Date* | Title                                                                                                 | Owner  |
|------------|----------------|-------------|-----------|-------------|---------|----------------------------|-------------------------------------------------------------------------------------------------------|--------|
| r) US | 10/752,945     | 6-Jan-2004  | 7,479,266 | 20-Jan-2009 | Granted | 23-Mar-2024                | POLYVALENT CONJUGATE VACCINE FOR CANCER                                                               | SKI    |
| s) US | 12/262,729     | 31-Oct-2008 | 8,092,780 | 10-Jan-2012 | Granted | 16-Apr-2023                | POLYVALENT CONJUGATE VACCINE FOR CANCER                                                               | SKI    |
| t) US | 13/314,521     | 8-Dec-2011  | 8,540,964 | 9/24/2013   | Granted | 5-Jul-2022                 | POLYVALENT CONJUGATE VACCINE FOR CANCER                                                               | SKI    |
| u) US | 13/951,795     | 26-Jul-2013 |      |        | Allowed | 5-Jul-2022                 | POLYVALENT CONJUGATE VACCINE FOR CANCER                                                               | SKI    |
| v) AU | 716699         | 26-Apr-1996 | 716699    | 1-Jun-2000  | Granted | 26-Apr-2016                | SYNTHESIS OF THE BREAST TUMOR-ASSOCIATED ANTIGEN DEFINED BY MONOCLONAL ANTIBODY MBr1 AND USES THEREOF | SKI    |
|       |           |        |      |        |    |                       |                                                                                                  |   |

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| Exhibit 99.1:  MabVax Therapeutics, Inc. – Granted and Pending Patents and Applications | August 12, 2015 |
|---------------------------------------------------------------------------------------------------------|-----------------|

| Country    | ApplicationNo. | FilingDate  | PatentNo. | IssuedDate  | Status  | Estimated Expiration Date* | Title                                                                                                 | Owner |
|------------|----------------|-------------|-----------|-------------|---------|----------------------------|-------------------------------------------------------------------------------------------------------|-------|
| w) CA | 2,218,884      | 26-Apr-1996 | 2,218,884 | 8-Jul-2008  | Granted | 26-Apr-2016                | SYNTHESIS OF THE BREAST TUMOR-ASSOCIATED ANTIGEN DEFINED BY MONOCLONAL ANTIBODY MBr1 AND USES THEREOF | SKI   |
| x) DE | 96913895.7     | 26-Apr-1996 | 69635730  | 11-Jan-2006 | Granted | 26-Apr-2016                | SYNTHESIS OF THE BREAST TUMOR-ASSOCIATED ANTIGEN DEFINED BY MONOCLONAL ANTIBODY MBr1 AND USES THEREOF | SKI   |
| y) EP | 96913895.7     | 26-Apr-1996 | 0823913   | 11-Jan-2006 | Granted | 26-Apr-2016                | SYNTHESIS OF THE BREAST TUMOR-ASSOCIATED ANTIGEN DEFINED BY MONOCLONAL ANTIBODY MBr1 AND USES THEREOF | SKI   |
| z) ES | 96913895.7     | 26-Apr-1996 | 0823913   | 11-Jan-2006 | Granted | 26-Apr-2016                | SYNTHESIS OF THE BREAST TUMOR-ASSOCIATED ANTIGEN DEFINED BY MONOCLONAL ANTIBODY MBr1 AND USES THEREOF | SKI   |

----

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| Exhibit 99.1:  MabVax Therapeutics, Inc. – Granted and Pending Patents and Applications | August 12, 2015 |
|---------------------------------------------------------------------------------------------------------|-----------------|

| Country     | ApplicationNo. | FilingDate  | PatentNo. | IssuedDate  | Status  | Estimated Expiration Date* | Title                                                                                                 | Owner |
|-------------|----------------|-------------|-----------|-------------|---------|----------------------------|-------------------------------------------------------------------------------------------------------|-------|
| aa) FR | 96913895.7     | 26-Apr-1996 | 0823913   | 11-Jan-2006 | Granted | 26-Apr-2016                | SYNTHESIS OF THE BREAST TUMOR-ASSOCIATED ANTIGEN DEFINED BY MONOCLONAL ANTIBODY MBr1 AND USES THEREOF | SKI   |
| bb) GB | 96913895.7     | 26-Apr-1996 | 0823913   | 11-Jan-2006 | Granted | 26-Apr-2016                | SYNTHESIS OF THE BREAST TUMOR-ASSOCIATED ANTIGEN DEFINED BY MONOCLONAL ANTIBODY MBr1 AND USES THEREOF | SKI   |
| cc) IT | 96913895.7     | 26-Apr-1996 | 0823913   | 11-Jan-2006 | Granted | 26-Apr-2016                | SYNTHESIS OF THE BREAST TUMOR-ASSOCIATED ANTIGEN DEFINED BY MONOCLONAL ANTIBODY MBr1 AND USES THEREOF | SKI   |
| dd) JP | 1996-532802    | 26-Apr-1996 | 4166273   | 8-Aug-2008  | Granted | 26-Apr-2016                | SYNTHESIS OF THE BREAST TUMOR-ASSOCIATED ANTIGEN DEFINED BY MONOCLONAL ANTIBODY MBr1 AND USES THEREOF | SKI   |

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