Understanding the Impact of IPR Estoppel and PTAB Discretionary Denials — Patents: Post-Grant Podcast
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?
In a Director Review, the Acting Director reversed a panel decision to discretionarily deny an IPR under § 325(d). The Acting Director held that the PTAB’s own findings in two previous IPRs sufficiently proved Examiner error...more
If you are a game developer, IP attorney, or interested in video game law, consider the ongoing patent battle involving the popular games Pokémon and Palworld. (Yes, gameplay mechanics have long been patented.) In 2024,...more
Patent families claim inventions that are similar since the entire family claims the innovative features of a single or limited number of inventions. They do so by relying on the disclosure of a single patent specification...more
The U.S. Open tennis championships are currently underway in New York, with the main draw starting on a Sunday for the first time. In the singles competition, top players like Emma Raducanu, Novak Djokovic, and Aryna...more
The US Court of Appeals for the Federal Circuit affirmed a district court’s judgment for the US Patent & Trademark Office (PTO) on application of prosecution laches in an action under 35 USC § 145. The Federal Circuit also...more
In one of the first decisions regarding derivation proceedings under the America Invents Act (AIA), the US Court of Appeals for the Federal Circuit affirmed the Patent Trial & Appeal Board’s finding that an application...more
In Agilent Techs., Inc. v. Synthego Corp., the Federal Circuit addressed the difference between the enablement standard for an anticipatory prior art reference (under 35 U.S.C. § 102) and that for an applicant/patentee’s own...more
USPTO Acting Director Coke Stewart’s introduction of settled expectations into the discretionary denial calculus for inter partes review (IPR) petitions has created an unexpected hurdle in the institution of IPRs. ...more
In Glob. Health Sols. LLC v. Selner, the U.S. Court of Appeals for the Federal Circuit (Federal Circuit) addressed its first-ever derivation proceeding under the Leahy-Smith America Invents Act of 2011 (AIA). Prior to passage...more
GLOBAL HEALTH SOLUTIONS LLC v. SELNER - Before Stoll, Stark, and Goldberg (sitting by designation). Appeal from the Patent Trial and Appeal Board. The Federal Circuit affirmed the Board’s rejection of a derivation challenge,...more
On July 29, 2025, Chief Administrative Patent Judge Scott R. Boalick circulated a memorandum to Members of the PTAB entitled “Final Written Decision Procedures for AIA Trial Proceedings.” ...more
The Trump administration is considering changing the U.S. patent maintenance fee structure from the existing three fixed flat fees to an annual, value‑based “tax” model where patent holders would pay 1%–5% of the estimated...more
Global Health Solutions LLC, v. Marc Selner, No. 2023-2009 (Fed. Cir. (PTAB) Aug. 26, 2025). Opinion by Stark, joined by Stoll and Goldberg. “This case marks [the Federal Circuit’s] first review of an AIA derivation...more
A recent memo from the acting director of the US Patent and Trademark Office directs the Patent Trial and Appeal Board (PTAB) to reject inter partes review (IPR) petitions that use “applicant admitted prior art (AAPA), expert...more
In Google v. Sonos, the Federal Circuit soundly disposed of arguments that the patent-in-suit was unenforceable due to laches based on an “unreasonable delay” in patent prosecution. Does the court’s reasoning foreclose the...more
In October 2023, we reported on the district court decision in Sonos, Inc. v. Google LLC. The decision was notable for reviving the prosecution laches doctrine to render unenforceable a continuation patent filed 13 years...more
The Federal Circuit’s recent decision in Google LLC v. Sonos, Inc. (24-1097) offers a compelling look at the evolving doctrine of prosecution laches, the written description requirement, and the practical realities of patent...more
Standard essential patents (SEPs) play a crucial role in ensuring that technical standards are accessible and implementable across industries. These patents, which are deemed essential to implement particular technical...more
In a precedential ruling that underscores the importance of consistency in claim drafting, the United States Court of Appeals for the Federal Circuit reversed a claim construction based on an improper interpretation of the...more
For the first time under the bifurcated institution procedures, the Acting Director reversed her own prior discretionary denial, citing changed circumstances based on a settlement in the parallel district court litigation. ...more
In its first precedential review of an AIA derivation proceeding, the Federal Circuit held that to prove derivation, a petitioner has the burden of showing that the petitioner conceived the claimed subject matter and...more
In 2024, the Federal Circuit set forth a standard for determining whether extraterritorial sales activity could be considered in a reasonable royalty award for patent infringement. Here, we summarize the court’s opinion in...more
What are standards? Standards are technological guidelines that enable various systems and/or components to work together using a common language....more
A recent filing by the U.S. government in a pending Eastern District of Texas litigation signals a renewed interest by the current administration in potentially reviving the ability for non-practicing entities (“NPE”) to...more
Judge Nelson S. Román (S.D.N.Y.) recently granted a motion to dismiss for lack of personal jurisdiction and improper venue in a patent case. Wang v. Laview Eagle Eye Tech. Inc., No. 24-cv-01822-NSR, 2025 WL 2371222, at *1...more