AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON MAY 19, 1998 REGISTRATION NO. 333-46445 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 2 TO FORM S-4 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 CORTECH, INC. (Exact name of registrant as specified in its charter) DELAWARE 8731 84-0894091 (State or other jurisdiction of (Primary Standard Industrial (I.R.S. Employer incorporation or organization) Classification Code Number) Identification No.) CORTECH, INC. 6850 N. BROADWAY, SUITE G DENVER, COLORADO 80221 (303) 650-1200 (Address, including ZIP Code, and telephone number, including area code, of registrant's principal executive offices) __________ DIARMUID F. BORAN CHIEF OPERATING OFFICER CORTECH, INC. 6850 N. BROADWAY, SUITE G DENVER, COLORADO 80221 (303) 650-1200 (Name, address, including ZIP Code, and telephone number, including area code, of agent for service) __________ IT IS REQUESTED THAT COPIES OF COMMUNICATIONS BE SENT TO: ALAN C. MENDELSON, ESQ. DAVID R. SNYDER, ESQ. CARRIE L. SCHIFF, ESQ. T. MICHAEL HIRD, ESQ. LISA S. DUMAW, ESQ. PILLSBURY MADISON & SUTRO LLP COOLEY GODWARD LLP 101 W. BROADWAY, SUITE 1800 2595 CANYON BOULEVARD, SUITE 250 SAN DIEGO, CALIFORNIA 92101 BOULDER, COLORADO 80302 (619) 234-5000 (303) 546-4000 If the securities being registered on this Form are being offered in connection with the formation of a holding company and there is compliance with General Instruction G, check the following box. [_] WITHDRAWAL OF REGISTRATION STATEMENT That certain Agreement and Plan of Merger and Reorganization dated December 22, 1997 (the "Reorganization Agreement") between the Registrant, BioStar, Inc., a Delaware corporation, and Cortech Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of the Registrant, has been terminated. The Reorganization Agreement had been the principal subject of the Registration Statement. By this Amendment No. 2 to the Registration Statement, the Registrant hereby withdraws the Registration Statement. SIGNATURES Pursuant to the requirements of the Securities Act of 1933, the Registrant has duly caused this Amendment No. 2 to the Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Denver, County of Denver, State of Colorado, on May 19, 1998. CORTECH, INC. By: /s/ Diarmuid F. Boran --------------------- Diarmuid F. Boran Chief Operating Officer NAME TITLE DATE - ---- ----- ---- */s/ Bert Fingerhut Director and Acting Chief Executive May 19, 1998 - ----------------------------- Officer (principal executive officer) Bert Fingerhut /s/ Diarmuid F. Boran Chief Operating Officer and Acting May 19, 1998 - ----------------------------- Chief Financial Officer (principal Diarmuid F. Boran financial and accounting officer) */s/ Charles Cohen, Ph.D. Director May 19, 1998 - ----------------------------- Charles Cohen, Ph.D. */s/ Donald Kennedy, Ph.D. Director May 19, 1998 - ----------------------------- Donald Kennedy, Ph.D. */s/ Allen Misher, Ph.D. Director May 19, 1998 - ----------------------------- Allen Misher, Ph.D. * By /s/ Kenneth R. Lynn - ----------------------------- Kenneth R. Lynn Attorney-in-fact