Markush Group Closed to Unlisted Elements, but Open to Blends of Listed Elements

In Multilayer Stretch Cling Film Holdings, Inc., v. Berry Plastics Corp., [2015-1420, 2015-1477] (August 4, 2016) the Federal Circuit reversed the claim construction, and thus vacated summary judgment of non-infringement that was predicated on that claim construction. At issue was U.S. Patent … Continue reading Markush Group Closed to Unlisted Elements, but Open to Blends of Listed Elements