Category: patent claim

Surrender of Equivalents

We discussed the Doctrine of Equivalents in a previous blog entry.  When might a patentee not have claim coverage extending to equivalents of elements in a patent claim?  In Festo Corp. v Shoketsu Kinzoku Kogyo Kabushiki Co., 535 U.S. 722 (2002), also known colloquially as Festo II, the […]