Understanding the Impact of IPR Estoppel and PTAB Discretionary Denials — Patents: Post-Grant Podcast
Podcast: IP(DC): Inside Patent Reform Efforts, Anticipated Federal Circuit Appeals, and Patent Cases of the Upcoming Supreme Court Term
Is the Patent Litigation Boom Coming to an End?
In Janssen Pharmaceuticals, Inc. v. Teva Pharmaceuticals USA, Inc., Appeal No. 25-1228, The Federal Circuit found that claims reciting a dosing regimen with unequal loading doses were not obvious and that a presumption of...more
Prosecution history estoppel may narrow the scope of a claim that was unamended during prosecution, if another closely related claim is amended or cancelled during prosecution....more
On July 18, 2025, the U.S. Court of Appeals for the Federal Circuit reversed a $106 million jury verdict in Colibri Heart Valve LLC v. Medtronic CoreValve, LLC, No. 2023-2153, finding that Colibri’s infringement claim under...more
On July 18, 2025, the US Court of Appeals for the Federal Circuit reversed a lower court ruling in Colibri Heart Valve LLC v. Medtronic CoreValve, LLC, holding that prosecution history estoppel barred the patentees’ doctrine...more
Doctrine of equivalents (DOE) can be applied as a mechanism to hold a party liable for patent infringement even if the product or process does not literally infringe a patent claim, if the difference is “insubstantial”....more
U.S. courts have long recognized that a product or process which does not literally infringe a patent can nevertheless infringe under the "doctrine of equivalents" if it is equivalent to the claimed invention. The percentage...more
In Intendis GmbH v. Glenmark Pharmaceuticals Inc., USA, the Federal Circuit affirmed the district court decision that found infringement under the doctrine of equivalents. This case shows that the doctrine of equivalents...more