International trade · 06/03/2003

Pfizer Files Complaint with U.S. International Trade Commission Over Sildenafil Patent Infringement

Pfizer, Inc. has filed a complaint with the U.S. International Trade Commission alleging that Pfizer's competitor has infringed on its U.S. Patent No. 5,250,534, which covers sildenafil citrate and related products, and is seeking a permanent general exclusion order and cease and desist orders.