SECURITIES AND EXCHANGE COMMISSION                                  

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549


FORM 8-K


CURRENT REPORT


Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934


July 26, 2007

Date of Report (Date of earliest event reported)


HEPALIFE TECHNOLOGIES, INC.

(Exact name of registrant as specified in its charter)


Florida

(State or other jurisdiction of incorporation)


000-29819

(Commission File Number)


58-2349413

(I.R.S. Employer Identification No.)

60 State Street, Suite 700, Boston, MA  02109

(Address of principal executive offices)


(800) 518-4879

(Registrant’s telephone number, including area code)


Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:


[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))



SECTION 1. Registrant's Business and Operations


Item 1.01 – Entry into a Material Definitive Agreement.


On July 26, 2007, HepaLife Technologies, Inc. agreed to extend its Cooperative Research and Development Agreement with the USDA’s Agricultural Research Service through December 1, 2007.


SECTION 2.  Financial Information


None.


SECTION 3.  Securities and Trading Markets


None.


SECTION 4.  Matters Related to Accountants and Financial Statements


None.  

     




SECTION 5.  Corporate Governance and Management


None.


SECTION 6. [Reserved]


N/A.


SECTION 7.  Regulation FD


None.


SECTION 8.  Other Events


None.


SECTION 9.  Financial Statements and Exhibits


None.



SIGNATURES


Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.




HEPALIFE TECHNOLOGIES, INC.



/s/ Frank Menzler

Frank Menzler

President and CEO

 


Date: August 1, 2007