By Donald Zuhn — Earlier this month, in Sherwin-Williams Co. v. PPG Industries, Inc., Special Master Henry M. Sneath issued a Report and Recommendation in the U.S. District Court for the Western District of Pennsylvania that a motion by Defendant PPG Industries, Inc. to partially exclude the opinions of Plaintiff Sherwin-Williams Co.’s expert witness should be granted. In particular, the Special Master recommended that the opinions set forth in ¶¶ 94-117 of the expert’s Rebuttal Report be excluded. Sherwin-Williams initiated the dispute between the parties by filing suit against PPG for infringement of certain claims of U.S. Patent Nos. 8,617,663;…
