In Re Coordinated Pretrial Proceedings in Antibiotic Antitrust Actions. Pfizer, Inc. v. International Rectifier Corp.

GIBSON, Chief Judge.

This patent infringement case was initially filed by Pfizer, Inc. seeking damages and declaratory and injunctive relief in the Central District of California. The defendants, International Rectifier Corp. (IRC) 1 and USV Pharmaceutical Corp. (USV), answered, pleading that Pfizer’s United States Patent No. 3,200,149 2 is invalid and unenforceable for failure to meet statutory requirements of patentability and for fraud and misconduct before the Patent Office. Both defendants at first admitted infringement but subsequently amended their answer to deny infringement and assert…