Means for Invalidating a Patent: Lessons from the Eon Corp v. AT&T Decision

This article is cross-posted with permission from Bereskin & Parr. It is very important to provide adequate disclosure when using “means-plus-function” claims in a U.S. patent, particularly in the field of software. “Means-plus-function” claims include elements that are defined in a functional (as opposed to structural) manner, such as “means for tying a shoe”, and […]