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What Were the Cooler Wars? (Part 2) — No Infringement Intended Podcast
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Wolf Greenfield’s New Shareholders
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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 Patent Office recently announced that it will begin enforcing a rule that requires that inter partes review (IPR) petitions “specify where each element of the claim is found in the prior art patents or printed...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
One year has passed since the Court of Appeals for the Federal Circuit made its landmark decision in LKQ Corp. v. GM Global Tech. Operations LLC, which overruled the longstanding Rosen-Durling test for determining design...more
Contour IP Holdings, LLC, v. GoPro, Inc., Case No. 17-cv-04738-WHO (N.D. Cal. March 24, 2025) - The estoppel provision of the American Invents Act (AIA) (35 U.S.C. § 315(e)(2)) prevents a petitioner in an inter parties...more
On March 24, the Federal Circuit held in In re Riggs that for a published non-provisional patent application to be prior art under pre-AIA 35 U.S.C. § 102(e)(1) based on an earlier provisional filing date, all citations to...more
The PTAB recently provided a pre-AIA priority analysis for reference patents in Roku, Inc. v. Anonymous Media Research Holdings, LLC, No. IPR2024-01057, Paper 10 (P.T.A.B. Feb. 10, 2025). This decision highlights the...more
In re: Riggs, Appeal No. 2022-1945 (Fed. Cir. Mar. 24, 2025) Our Case of the Week explores the power of an examiner to request a rehearing after the Board has entered a decision on an application. The case also relates to...more
Parties involved in Patent Trial and Appeal Board (PTAB) proceedings sometimes contemplate submitting experimental data to support their positions. Although such data can be useful, there also are risks. Several recent cases...more
The Patent Trial and Appeal Board (PTAB) continues to play a pivotal role in shaping the intellectual property landscape. In 2024, several developments affecting PTAB practice emerged, from new rulemaking at the USPTO to key...more
In a precedential opinion entered on January 14, 2025, the United States Court of Appeals for the Federal Circuit affirmed a decision of the Patent Trial and Appeal Board (“PTAB”) invalidating claims of a patent on...more
Specify the Steps of Information Manipulation or Lose under § 101 - In Mobile Acuity Ltd. v. Blippar Ltd. Appeal No. 22-2216, the Federal Circuit held that patent claims that merely recite result-orientated, functional...more
All three of the challenges that the Patent Trial and Appeal Board (PTAB) instituted in 2022 resulted in a final written decision canceling the challenged patent. Two of the three final written decisions rendered in 2023 are...more
Penumbra, Inc. v. Rapidpulse, Inc., IPR2021-01466, Paper 34 (P.T.A.B. March 10, 2023) In a PTAB decision that was recently designated precedential, the Board made two important decisions concerning provisional patent...more
On November 15, 2023, Director of the United States Patent and Trademark Office (USPTO) Kathi Vidal designated as precedential the Patent Trial and Appeal Board’s (PTAB) final written decision in Penumbra, Inc. v. RapidPulse,...more
Medytox, Inc. v. Galderma S.A., Appeal No. 2022-1165 (Fed. Cir. June 27, 2023) In this week’s Case of the Week, the Federal Circuit upheld an application by the Patent Trial and Appeal Board of its Pilot Program...more
The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board decision, finding that under the harmless error rule, the challenged claims were invalid as obvious even if the Board erred in claim...more
2022 was a milestone year for the Patent Trial and Appeal Board. In April, Kathi Vidal began her tenure as Director of the United States Patent and Trademark Office with an early focus on promoting increased efficiency at the...more
In 2022, the Patent Trial and Appeal Board (PTAB) did not issue any final written decisions involving design patents. However, it did issue three decisions granting review of challenged design patents and three decisions...more
As part of the recovery from the global COVID-19 pandemic, the U.S. Court of Appeals for the Federal Circuit took steps to return to normal operations. It began requiring live oral arguments in August 2022 and, by November,...more
In Victaulic Company v. ASC Engineered Sols., LLC, the District of Delaware ruled on summary judgment that ASC is estopped from asserting two obviousness grounds against a patent claim because it raised the same grounds...more
If you don’t appeal an issue from an adverse judgment, are you going to be bound by the decision on that issue in future cases? This can often be an important question to consider when deciding whether and what issues to...more
A panel of the US Court of Appeals for the Federal Circuit considered whether the Patent Commissioner, on assuming the role of the US Patent & Trademark Office (PTO) Director, can constitutionally evaluate the rehearing of...more
The so-called “Lead Compound Analysis” is the primary legal framework for assessing chemical obviousness. Despite the USPTO Patent Trial and Appeal Board’s (PTAB) initial apparent reluctance to operate under this framework,...more
The USPTO Patent Trial and Appeal Board (PTAB) has increasingly used its discretionary denial authority in recent years. Although the PTAB’s discretion under 35 U.S.C. § 314(a) and Fintiv grabbed many headlines in 2021, the...more
Love it or hate it, ignore the USPTO Patent Trial and Appeal Board (PTAB) at your peril. The introduction of the PTAB as part of the America Invents Act over ten years ago has forever changed patent litigation. In its first...more