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What Were the Cooler Wars? (Part 2) — No Infringement Intended Podcast
A Guide to SEP: Standard Essential Patents for Tech Startups
Wolf Greenfield’s New Shareholders
5 Key Takeaways | Building a Winning Evidentiary Record at the PTAB (and Surviving Appeal)
Wolf Greenfield Attorneys Review 2024 and Look Ahead to 2025
5 Key Takeaways | Alice at 10: A Section 101 Update
Director Review Under the USPTO's Final Rule – Patents: Post-Grant Podcast
AGG Talks: Cross-Border Business Podcast - Episode 20: Mastering ITC Section 337 Investigations
Navigating Intellectual Property Challenges in the Renewable Energy Sector - Energy Law Insights
Patent Considerations in View of the Nearshoring Trends to the Americas
Tonia Sayour in the Spotlight
New Developments in Obviousness-Type Double Patenting and Original Patent Requirements — Patents: Post-Grant Podcast
3 Key Takeaways | What Corporate Counsel Need to Know About Patent Damages
5 Key Takeaways | Rolling with the Legal Punches: Resetting Patent Strategy to Address Changes in the Law
Meet Meaghan Luster: Patent Litigation Associate at Wolf Greenfield
Legal Alert: USPTO Proposes Major Change to Terminal Disclaimer Practice
PODCAST: Williams Mullen's Trending Now: An IP Podcast - Artificial Intelligence Patents & Emerging Regulatory Laws
Are Your Granted Patents in Danger of a Post-Grant Double Patenting Challenge?
Patent Litigation: How Low Can You Go?
The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board unpatentability determination during an inter partes review (IPR) proceeding, concluding that the Board’s decision to not apply...more
We have covered the LKQ v. GM design patent disputes from the PTAB decision through appeal and en banc rehearing. And now we report on yet another chapter in the saga between these parties....more
On July 14, 2025 Fresenius filed two IPR petitions challenging Regeneron’s patents related to aflibercept. Regeneron has not asserted that Fresenius infringes either of these patents in district court litigation; however,...more
The International Trade Commission (ITC) is an independent U.S. federal agency that oversees issues including IP enforcement, anti-dumping, and tariffs. A finding of infringement at the ITC can result in exclusion orders and...more
On July 22, 2025, the Court of Appeals for the Federal Circuit concluded that the Patent Trial and Appeal Board’s (the “PTAB”) decision not to apply interference estoppel and, therefore, to institute an inter partes review...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
Optis Cellular Tech., LLC v. Apple Inc., No. 22-1925 (Fed. Cir. June 16, 2025) - Over a decade ago, the U.S. Supreme Court arguably made it easier to invalidate a patent for claiming nonpatentable abstract ideas when it...more
The evolution of grid management strategies to accommodate the increased adoption of renewable energy sources has led to a significant rise in both patent filings and patent disputes. An increased proportion of a grid's power...more
Prosecution history estoppel typically arises when a claim is rejected during prosecution and is then amended (narrowed) to overcome the rejection. However, in Colibri Heart Valve LLC v. Medtronic CoreValve, LLC, No....more
The US Patent and Trademark Office (USPTO) has announced that, effective September 1, all PTAB hearings will be conducted in person at USPTO offices, marking a departure from the virtual and hybrid formats adopted in recent...more
Last month, we provided an overview of the Patent Trial and Appeal Board’s (PTAB) application of the “settled expectations” doctrine, articulated in recent PTAB director-level decisions. Interim Director Coke Morgan Stewart...more
The Delhi High Court’s ruling in Dolby International AB & ANR v. Lava International Limited appears to mark a pivotal shift in India’s approach to the enforcement of standard essential patents (SEPs) wherein the High Court...more
As discretionary denials are on the rise and institution rates are declining at the PTAB (link), recent decisions from the PTAB have introduced the notion of a patent owner’s “settled expectations” as another reason for the...more
Last week, the Federal Circuit issued its decision in Top Brand LLC v. Cozy Comfort Company LLC, clarifying the application of prosecution history disclaimer in the context of design patents. This alert summarizes the...more
This Federal Circuit opinion analyzes lexicography in the context of claim construction. Alnylam Pharmaceuticals owns U.S. Patent Nos. 11,246,933 (parent) and 11,382,979 (child). These patents relate to biodegradable...more
Coke Morgan Stewart, the acting director of the United States Patent and Trademark Office (“USPTO”), exercised discretion under 35 U.S.C. § 314(a) to deny Tessell’s (“Petitioner’s”) petition in favor of Nutanix (“Patent...more
Patents are a mutually beneficial agreement between inventors and the government. Each side makes concessions in service of their own, and the greater, good. It’s a careful balance, where policy and rules that are too...more
On the heels of the U.S. Patent and Trademark Office Acting Director’s recent decision to deny institution of iRhythm Technologies’ inter partes review petition, the PTO has now issued additional decisions clarifying the role...more
Xsys Italia v. Esko-Graphics ORD_23545/2025 - The Court of Appeal of the Unified Patent Court (UPC) has delivered a decision clarifying the temporal scope of the UPC’s jurisdiction over European patent infringement...more
In In re Entresto (Sacubitril/Valsartan) Patent Litigation, Judge Richard G. Andrews of the U.S. District Court for the District of Delaware granted MSN Pharmaceuticals Inc. a victory on noninfringement of U.S. Patent No....more
In a recent decision, the Patent Trial and Appeals Board (“PTAB”) exercised its discretion under 35 U.S.C. § 314(a) to deny institution of an inter partes review (“IPR”) after applying the Fintiv factors, despite Petitioner’s...more
It is well established that an enantiomerically pure compound exhibiting advantageous properties not present in its isomer or its corresponding racemic mixture, can be patented even if its corresponding racemic mixtures are...more
The dispute over who invented CRISPR-Cas9 (CRISPR), a gene-editing technology awarded the 2020 Nobel Prize in Chemistry, has been one of the most closely watched legal battles in the world of biotechnology. For more than a...more
On June 30, 2025, Perceptix filed suit against Meta Platforms for infringement of U.S. Patent 8,498,439, which describes a headphone that turns on when it is worn. The ‘439 Patent is assigned to the Electronics and...more
In Dolby Laboratories Licensing Corporation V. Unified Patents, LLC, Appeal No. 23-2110, the Federal Circuit held that a patent owner lacks Article III standing to appeal an inter partes review decision on patentability when...more