United States: Patent

Importance of Expert Witnesses in IP Litigation: Expert witnesses play a crucial role in intellectual property litigation by interpreting complex technologies and evaluating damages.

On July 18, 2025, Scott R. Boalick, Chief Administrative Patent Judge for the Patent Trials and Appeals Board ("PTAB"), announced that, absent good cause...

On July 30, 2025, the U.S. District Court for the District of Delaware entered a Final Judgment in the dispute between Alnylam Pharmaceuticals, Inc. ("Alnylam") and Pfizer, Inc.

Following its April 2025 case against Fortinet in the Eastern District of Texas, UMBRA Technologies (US) Inc. and UMBRA Technologies Ltd., a British Virgin Islands entity, have filed suit against Palo Alto Networks (PAN) (2:25-cv-00635) in the same district.

Anthony, Inc. ("Petitioner") filed two IPR petitions, challenging U.S. Patent Nos. 7,207,181 and 7,421,847, directed to refrigeration units. Arguing that the challenged patents were nearing the end of their lifespan, having been in force since April 24, 2007, Patent Owner filed a request for discretionary denial of institution

In considering a motion to dismiss infringement claims for two related patents, the District of Massachusetts recently held that pre-suit knowledge of a "parent" patent, without more...

In Acorda Therapeutics, Inc. v. Alkermes PLC, No. 23-2374 (Fed. Cir. July 25, 2025), the Federal Circuit held that it lacked jurisdiction over an appeal from a district court's...

The following arguments will be available live to the public, both in-person and through online audio streaming. Access information will be available by 9 AM...

With discretionary denials on the rise in recent months, practitioners involved with parallel proceedings should be aware of the changing dynamic between the Patent Trial and Appeal Board...