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  Exhibit 10.2    
    


            September 8,
2010 


 VIA HAND DELIVERY  


J.
William Efcavitch 


	Re:
	Separation
Agreement and Release 



Dear
Dr. Efcavitch: 


        This
letter summarizes the terms of your separation from employment with Helicos BioSciences Corporation (the "Company") and the separation agreement and release between you and the
Company (the "Agreement"). The purpose of this Agreement is to establish an amicable arrangement for ending your employment relationship and to release the Company from any claims. With these
understandings and in exchange for the promises by you and the Company as set forth below, you and the Company agree as follows. 


        1.     Employment Status and Final Payments:


        (a)   Your
termination from employment with the Company will be effective as of September 8, 2010 (the "Termination Date"). As of the Termination Date, your salary will
cease, and any entitlement you have or might have under a Company-provided benefit plan, program, contract or practice will terminate, except as required by federal or state law and except with
respect to the Company's group medical and dental plans, which shall be subject to continuation pursuant to Section 1(c) below. To the extent permitted by and under the Company's life insurance
and long term disability policies, you may be eligible to elect to extend your coverage under such policies after the Termination Date at your own cost and expense. 


        (b)   As
of the Termination Date, you will have been paid all wages earned but unpaid and will have been paid for all vacation time accrued but unused as of the Termination
Date. 


        (c)   The
Termination Date shall be the date of the "qualifying event" under the Consolidated Omnibus Budget Reconciliation Act of 1985 ("COBRA") and the Company will present
you with information on COBRA under separate cover. If you timely elect continuation of coverage under COBRA, you may continue participating in the Company's group medical and dental plans in which
you are currently participating ("Group Health Plans") after the Termination Date at your own premium cost subject to the terms of COBRA. 


        2.    Consideration:    In exchange for, and in consideration of, your
full execution of and adherence to this Agreement, and after any applicable revocation period set forth in Section 12 has expired, the Company agrees to provide you with a limited waiver under
Section 2 of the Employee Noncompetition Agreement, dated as of September 7, 2004, between you and the Company (the "Noncompetition Agreement"), whereby pursuant to such limited waiver
the Company shall permit you to accept employment with Affymetrix, Inc. Except with respect to the limited waiver as set forth in the preceding sentence of this Section 2, you hereby
agree and acknowledge that each of the Employee Non-Disclosure and Developments Agreement, dated as of September 7, 2004, between you and the 







 



Company
and the Employee Noncompetition Agreement, shall remain in full force and effect in accordance with their respective terms. 


        3.     Stock Awards/Change in Control Agreement/Housing and Commuting Expenses:


        (a)   As
set forth in the Helicos BioSciences Corporation Stock Option and Incentive Plan and your equity incentive agreements with the Company ("Equity Award Agreements"),
your options to purchase stock in the Company and any restricted stock awards that you hold will cease vesting on the Termination Date. All of your rights and obligations to restricted stock awards
and stock options, including without limitation vesting, exercise and expiration, are governed by the terms and conditions of the Helicos BioSciences Corporation Stock Plan and the Equity Award
Agreements. 


        (b)   You
agree that you shall have no further rights under the Change in Control Agreement between you and the Company dated August 8, 2007 (the "Change in Control
Agreement"), and that as of the Termination Date, the Change in Control Agreement shall be null and void. 



        (c)   You
agree that your current monthly housing allowance and reimbursement of commuting expenses shall terminate as of the Termination Date. 


        4.    Release:    In exchange for the limited
waiver described in Section 2, which are in addition to anything of value to which you are entitled to receive, and other good and valuable consideration, the sufficiency of which is hereby
acknowledged, you and your representatives, agents, estate, heirs, successors and assigns, absolutely and unconditionally hereby release, remise, discharge, indemnify and hold harmless the Company
Releasees (defined to include the Company and/or any of its parents, subsidiaries or affiliates, predecessors, successors or assigns, and its and their respective current and/or former
partners, directors, shareholders/stockholders, officers, employees, attorneys and/or agents, all both individually and in their official capacities), from any and all actions or causes of action,
suits, claims, complaints, contracts, liabilities, agreements, promises, torts, debts, damages, controversies, judgments, rights and demands, whether existing or contingent, known or unknown,
suspected or unsuspected, which arise out of your employment with, change in employment status with, and/or separation of employment from, the Company. This release is intended by you to be all
encompassing and to act as a full and total release of any claims, whether specifically enumerated herein or not, that you may have or have had against the Company Releasees arising from conduct
occurring up to and through the date of this Agreement, including, but not limited to, any claims arising from any federal, state or local law, regulation or constitution dealing with either
employment, employment benefits or employment discrimination such as those laws or regulations concerning discrimination on the basis of race, color, creed, religion, age, sex, sex harassment, sexual
orientation, national origin, ancestry, genetic carrier status, handicap or disability, veteran status, any military service or application for military service, or any other category protected under
federal or state law; any claims under the WARN Act; any contract, whether oral or written, express or implied, including without limitation, any letter offering employment and any equity award
agreement(s); any tort; any claim for equity or other benefits; or any other statutory and/or common law claim. You not only release and discharge the Company Releasees from any and all claims as
stated above that you could make on your own behalf or on behalf of others, but also those claims that might be made by any other person or organization on your behalf, and you specifically waive any
right to recover any damage awards as a member of any class in a case in which any claim(s) against the Company Releasees are made involving any matters. 


        5.     Waiver of Rights and Claims Under the Age Discrimination in Employment Act of 1967:


        Since
you are 40 years of age or older, you are being informed that you have or may have specific rights and/or claims under the Age Discrimination in Employment Act of 1967
(ADEA) and you agree that: 


        (a)   in
consideration for the limited waiver described in Section 2 of this Agreement, which you are not otherwise entitled to receive, you specifically and
voluntarily waive such rights and/or claims 


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under
the ADEA you might have against the Company Releasees to the extent such rights and/or claims arose prior to the date this Agreement was executed; 



        (b)   you
understand that rights or claims under the ADEA which may arise after the date this Agreement is executed are not waived by you; 


        (c)   you
are advised that you have at least 45 days within which to consider the terms of this Agreement and to consult with or seek advice from an attorney of your
choice or any other person of your choosing prior to executing this Agreement, and you acknowledge that you have not been subject to any undue or improper influence interfering with the exercise of
your free will in deciding whether to consult with counsel; 


        (d)   if
you sign this Agreement within less than 45 days of the date of its delivery to you, you acknowledge that by signing this Agreement that such decision was
entirely voluntary and that you had the opportunity to consider this Agreement for the entire 45-day period; 


        (e)   you
have carefully read and fully understand all of the provisions of this Agreement, and you knowingly and voluntarily agree to all of the terms set forth in this
Agreement; 


        (f)    in
entering into this Agreement you are not relying on any representation, promise or inducement made by the Company or its attorneys with the exception of those
promises described in this document; and 


        (g)   you
acknowledge that you have received a Disclosure Memorandum describing certain information required under the ADEA. 


        6.     Period for Review and Consideration of Agreement:


        (a)   You
acknowledge that you were informed and understand that you have forty-five (45) days to review this Agreement and consider its terms before
signing it. 


        (b)   The
45-day review period will not be affected or extended by any revisions, whether material or immaterial, that might be made to this Agreement. 


        7.    Accord and Satisfaction:    The limited waiver set forth herein
shall be complete and unconditional payment, settlement, accord and/or satisfaction with respect to all obligations and liabilities of the Company Releasees to you, including, without limitation, all
claims for back wages, salary, vacation pay, draws, incentive pay, bonuses, stock and stock options, commissions, severance pay, reimbursement of expenses, motor vehicle expenses, moving expenses, any
and all other forms of compensation or benefits, attorney's fees, or other costs or sums. 


        8.    Company Files, Documents and Other Property:    You agree that
on or before the Termination Date you will return to the Company all Company property and materials, including but not limited to, (if applicable) personal computers, laptops, palm pilots and their
equivalent, fax machines, scanners, copiers, cellular phones, Company credit cards and telephone charge cards, manuals, building keys and passes, courtesy parking passes, diskettes, intangible
information stored on diskettes, software programs and data compiled with the use of those programs, software passwords or codes, tangible copies of trade secrets and confidential information, sales
forecasts, names and addresses of Company customers and potential customers, customer lists, customer contacts, sales information, sales forecasts, memoranda, sales brochures, business or marketing
plans, reports, projections, and any and all other information or property previously or currently held or used by you that is or was related to your employment with the Company ("Company Property").
You represent that you have not and will not take by download or otherwise any Company Property. You agree that in the event that you discover any Company Property in your possession, whether in
electronic form or otherwise, after the Termination Date, you will immediately return such materials to the Company. 


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        9.    No Liability or Wrongdoing:    Nothing in this Agreement, nor
any of its terms and provisions, nor any of the negotiations or proceedings connected with it, constitutes, will be construed to constitute, will be offered in evidence as, received in evidence as,
and/or deemed to be evidence of, an admission of liability or wrongdoing by any and/or all of the Company Releasees, and any such liability or wrongdoing is hereby expressly denied by each of the
Company Releasees. 


        10.   Future Conduct:


        (a)    Nondisparagement:    You agree not to make disparaging, critical or otherwise detrimental comments to any
person or entity concerning the Company, its officers, directors or employees; the products, services or programs provided or to be provided by the Company; the business affairs, operation, management
or the financial condition of the Company; or the circumstances surrounding your employment and/or separation of employment from the Company. 


        (b)    Confidentiality of this Agreement:    You agree that you shall not disclose, divulge or publish, directly or
indirectly, any information regarding the substance, terms or existence of this Agreement and/or any discussion or negotiations relating to this Agreement, to any person or organization other than
your immediate family and accountants or attorneys when such disclosure is necessary for the accountants or attorneys to render professional services. Prior to any such disclosure that you may make,
you shall secure from your attorney or accountant their agreement to maintain the confidentiality of such matters. 



        (c)    Disclosures:    Nothing herein shall prohibit or bar you from providing truthful testimony in any legal
proceeding or in communicating with any governmental agency or representative or from making any truthful disclosure required, authorized or permitted under law; provided, however, that in providing
such testimony or making such disclosures or communications, you will use your best efforts to ensure that this Section is complied with to the maximum extent possible. Notwithstanding the foregoing,
nothing in this Agreement shall bar or prohibit you from contacting, seeking assistance from or participating in any proceeding before any federal or state administrative agency to the extent
permitted by applicable federal, state and/or local law. However, you nevertheless will be prohibited to the fullest extent authorized by law from obtaining monetary damages in any agency proceeding
in which you do so participate. 


        (d)    Future Cooperation:    You agree to cooperate reasonably with the Company (including its outside counsel) in
connection with the contemplation, prosecution and defense of all phases of existing, past and future litigation about which the Company believes you may have knowledge or information. You further
agree to make yourself available at mutually convenient times during and outside of regular business hours as reasonably deemed necessary by the Company's counsel. The Company shall not utilize this
Section 10(d) to require you to make yourself available to an extent that would unreasonably interfere with full-time employment responsibilities that you may have. You agree to
appear without the necessity of a subpoena to testify truthfully in any legal proceedings in which the Company calls you as a witness. The Company shall compensate you at the rate of $200.00 per hour
for services provided by you pursuant to this Section 10(d); provided that the Company shall not be obligated to compensate you for any time that you could be compelled to expend if you were
subpoenaed by the Company. The Company shall also reimburse you for any pre-approved reasonable business travel expenses that you incur on the Company's behalf as a result of your
litigation cooperation services, after receipt of appropriate documentation consistent with the Company's business expense reimbursement policy. 



        11.   Representations and Governing Law:


        (a)   This
Agreement sets forth the complete and sole agreement between the parties and supersedes any and all other agreements or understandings, whether oral or written.
This Agreement 


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may
not be changed, amended, modified, altered or rescinded except upon the express written consent of the Company and you. 



        (b)   If
any provision of this Agreement, or part thereof, is held invalid, void or voidable as against public policy or otherwise, the invalidity shall not affect other
provisions, or parts thereof, which may be given effect without the invalid provision or part. To this extent, the provisions and parts thereof of this Agreement are declared to be severable. Any
waiver of any provision of this Agreement shall not constitute a waiver of any other provision of this Agreement unless expressly so indicated otherwise. The language of all parts of this Agreement
shall in all cases be construed according to its fair meaning and not strictly for or against either of the parties. 



        (c)   This
Agreement and any claims arising out of this Agreement (or any other claims arising out of the relationship between the parties) shall be governed by and construed
in accordance with the laws of the Commonwealth of Massachusetts and shall in all respects be interpreted, enforced and governed under the internal and domestic laws of Massachusetts, without giving
effect to the principles of conflicts of laws of such state. Any claims or legal actions by one party against the other shall be commenced and maintained in a state or federal court located in
Massachusetts, and you hereby submit to the jurisdiction and venue of any such court. 


        (d)   You
represent that you have not been subject to any retaliation or any other form of adverse action by the Company Releasees for any action taken by you as an employee
of the Company or resulting from your exercise of or attempt to exercise any statutory rights recognized under federal, state or local law. 


        (e)   You
may not assign any of your rights or delegate any of your duties under this Agreement. The rights and benefits of this Agreement shall inure to the benefit of the
Company's successors and assigns. 


        12.    Effective Date:    After signing this letter, you may revoke
this Agreement for a period of seven (7) days following said execution. The Agreement shall not become effective or enforceable and no payments will be made pursuant to this Agreement until
this revocation period has expired ("Effective Date"). 


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        If
this letter correctly states the agreement and understanding we have reached, please indicate your acceptance by countersigning the enclosed copy and returning it to me. 

 






 



					
	

 	
 	
Very truly yours,
 Helicos BioSciences Corporation
	

 	
 	
By:	
 	
/s/ Ronald A. Lowy






 Company Representative




 

         I
REPRESENT THAT I HAVE READ THE FOREGOING AGREEMENT, THAT I FULLY UNDERSTAND THE TERMS AND CONDITIONS OF SUCH AGREEMENT AND THAT I AM KNOWINGLY AND VOLUNTARILY EXECUTING THE SAME. IN
ENTERING INTO THIS AGREEMENT, I DO NOT RELY ON ANY REPRESENTATION, PROMISE OR INDUCEMENT MADE BY THE COMPANY OR ITS REPRESENTATIVES WITH THE EXCEPTION OF THE CONSIDERATION DESCRIBED IN THIS DOCUMENT. 

 






 



			
	Accepted and Agreed to:	 	 
	
 /s/ J. William Efcavitch






  J. William Efcavitch	
 	

 
	
 Date: September 8, 2010

	
 	

 




 

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Exhibit 10.2