Gpc Biotech Ag - Report of Foreign Issuer (6-K)

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

Pursuant to Rule 13a-16 or 15d-16 of

the Securities Exchange Act of 1934

December 05, 2007

Commission File Number: 000-50825

GPC BIOTECH AG

(Translation of registrant's name into English)

Fraunhoferstrasse 20
D-82152 Martinsried/Munich, Germany

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will

file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F X Form 40-F

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):

Indicate by check mark whether the registrant by furnishing the

information contained in this form is also thereby furnishing the

information to the Commission pursuant to Rule 12g3-2(b) under the

Securities Exchange Act of 1934.

Yes No X

If “Yes” is marked, indicate below the file number assigned to the

registrant in connection with Rule 12g3-2(b): 82- .

Index: Exhibit 99.1 Announcement acc. to Sec. 15 WpHG.

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, thereunto duly authorized.

	GPC BIOTECH AG
Date : December 05, 2007	By:	/s/ Bernd Seizinger
	Name:	Bernd Seizinger, MD, PhD
	Title:	CEO

	GPC BIOTECH AG
Date : December 05, 2007	By:	/s/ Elmar Maier
	Name:	Elmar Maier
	Title:	Senior Vice President