UNITED STATES

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

DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): August 15, 2008

AUTHENTIDATE HOLDING CORP.

(Exact name of registrant as specified in its charter)

COMMISSION FILE NUMBER: 0-20190

DELAWARE	14-1673067
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

Connell Corporate Center

300 Connell Drive, 5^th Floor

Berkeley Heights, New Jersey 07922

(Address and zip code of principal executive offices)

(908) 787-1700

(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:

x 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))

Item 8.01 OTHER EVENTS

On August 15, 2008, Authentidate Holding Corp. (the “Registrant”) announced by press release that AHC Group, Inc., its new subsidiary formed by the Registrant to implement the proposed merger between the Registrant and Parascript, LLC, filed a registration statement on Form S-4 to cover the shares to be issued in the proposed merger. The press release further informed interested parties that copies of all documents filed with the SEC regarding the proposed merger filed under the company name “AHC Group, Inc.” may be obtained free of charge at (i) the SEC’s website (www.sec.gov) or (ii) the Registrant’s website (www.authentidate.com).

A copy of this press release is furnished and attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01 FINANCIAL STATEMENTS AND EXHIBITS

Exhibit 99.1        Press Release dated August 15, 2008

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SIGNATURE

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.

AUTHENTIDATE HOLDING CORP.
By:	/s/ O’Connell Benjamin
Name:	O’Connell Benjamin
Title:	President
Date:	August 18, 2008

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EXHIBIT INDEX

Exhibit Number	Description
99.1	Press Release dated August 15, 2008

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