0000950123-03-012534 Sample Contracts

COLLABORATION AGREEMENT By and Between AVENTIS PHARMACEUTICALS INC. and REGENERON PHARMACEUTICALS, INC. Dated as of September 5, 2003

Collaboration Agreement • November 12th, 2003 • Regeneron Pharmaceuticals Inc • Pharmaceutical preparations • New York

• Contract Type
  Collaboration Agreement
• Filed
  November 12th, 2003
• Company
  Regeneron Pharmaceuticals Inc
• Industry
  Pharmaceutical preparations
• Jurisdiction
  New York

THIS COLLABORATION AGREEMENT (“Agreement”), dated as of September 5, 2003 (the “Effective Date”), is by and between AVENTIS PHARMACEUTICALS INC., a corporation organized under the laws of Delaware and having a principal place of business at 200 Crossing Boulevard, Bridgewater, New Jersey 08807 (“Aventis”), and REGENERON PHARMACEUTICALS, INC., a corporation organized under the laws of New York and having a principal place of business at 777 Old Saw Mill River Road, Tarrytown, New York 10591 (“Regeneron”) (with each of Aventis and Regeneron referred to herein individually as a “Party” and collectively as the “Parties”).

NON-EXCLUSIVE PATENT LICENSE AGREEMENT between MERCK & CO., INC. and REGENERON PHARMACEUTICALS, INC.

Non-Exclusive Patent License Agreement • November 12th, 2003 • Regeneron Pharmaceuticals Inc • Pharmaceutical preparations • New Jersey

• Contract Type
  Non-Exclusive Patent License Agreement
• Filed
  November 12th, 2003
• Company
  Regeneron Pharmaceuticals Inc
• Industry
  Pharmaceutical preparations
• Jurisdiction
  New Jersey

THIS AGREEMENT effective as of 18 August, 2003, (the “Effective Date”) between Merck & Co., Inc., a New Jersey corporation (“Merck”) and Regeneron Pharmaceuticals, Inc., a New York corporation (“Regeneron”).

STOCK PURCHASE AGREEMENT By and Between AVENTIS PHARMACEUTICALS INC. AND REGENERON PHARMACEUTICALS, INC. Dated as of September 5, 2003

Stock Purchase Agreement • November 12th, 2003 • Regeneron Pharmaceuticals Inc • Pharmaceutical preparations • New York

• Contract Type
  Stock Purchase Agreement
• Filed
  November 12th, 2003
• Company
  Regeneron Pharmaceuticals Inc
• Industry
  Pharmaceutical preparations
• Jurisdiction
  New York

THIS STOCK PURCHASE AGREEMENT (“Agreement”), dated as of September 5, 2003, by and between AVENTIS PHARMACEUTICALS INC. (the “Investor”), a corporation organized under the laws of Delaware, with its principal place of business in the United States at 200 Crossing Boulevard, Bridgewater, New Jersey 08807, and REGENERON PHARMACEUTICALS, INC. (the “Company”), a corporation organized under the laws of New York with its principal place of business at 777 Old Saw Mill Road, Tarrytown, New York.