Tag Archives: patent prosecution

Regeneron Pharmaceuticals, Inc. v. Merus N.V.: The Federal Circuit Revisits the Defense of Inequitable Conduct

In Regeneron Pharmaceuticals, Inc. v. Merus N.V., No. 2016-1346, slip op. (Fed. Cir. July 27, 2017) (hereafter, “Slip Op.”), the Federal Circuit seems to have loosened the standards for finding a patentee culpable of inequitable conduct during patent prosecution. By affirming the district court’s finding of inequitable conduct, the court in Regeneron condones the use … Continue Reading

The Federal Circuit Invalidates a Patent for Failure to Describe the Accused Product

In Rivera v. International Trade Commission, Appeal No. 2016-1841 (Fed. Cir. May 23, 2017), the Federal Circuit affirmed the ITC’s decision invalidating Rivera’s patent under the written description requirement of 35 U.S.C. § 112. The opinion provides important lessons for those who draft and prosecute patent applications and also those who attempt to enforce them. Indeed, … Continue Reading