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): September 10, 2008

IMCLONE SYSTEMS INCORPORATED

(Exact name of registrant as specified in its charter)

Delaware		0-19612		04-2834797
(State or other jurisdiction of Incorporation)		(Commission File Number)		(IRS Employer Identification No.)

180 Varick Street

New York, New York 10014

(Address of principal executive offices) (Zip Code)

(212) 645-1405

(Registrant's telephone number, including area code)

N/A

(Former name or former address, if changed since last report)

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 (see General Instruction A.2. below):

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

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

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

o 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 September 10, 2008, ImClone Systems Incorporated (the “Company”) issued a press release, a copy of which is attached as Exhibit 99.1 and is incorporated by reference herein in its entirety.

ITEM 9.01. Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.		Description

99.1		Press Release of ImClone Systems Incorporated dated September 10, 2008.

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.

	IMCLONE SYSTEMS INCORPORATED (Registrant)
	By:	/s/ Andrew K. W. Powell
Dated: September 11, 2008		Andrew K. W. Powell Senior Vice President and General Counsel

IMCLONE SYSTEMS INC 8-K