United States Federal Circuit

Prosecution history estoppel precludes infringement under the doctrine of equivalents where the prosecution history demonstrates that the amendment was made for a reason related to patentability, to avoid prior art.

Appellate Information

• Decided 01/23/2001
• Published 01/23/2001

Judges

• PER CURIAM., Before MAYER, Chief Judge, NEWMAN and LOURIE, Circuit Judges.

Court

• United States Federal Circuit

Counsel

• For Appellant:
  
• Marc E. Brown, Oppenheimer Wolff & Donnelly LLP, of Los Angeles, California for plaintiff-appellant.   With him on the brief was George L. Fountain.


• For Appellees:
  
• Michael A. Ladra, Wilson Sonsini Goodrich & Rosati, of Palo Alto, California for defendant-appellee.   With him on the brief were, Vera M. Elson, Behrooz Shariati, and Roger J. Chin.