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?
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
The US Court of Appeals for the Federal Circuit recently issued a decision that held for the first time that principles of prosecution history disclaimer apply to design patents, aligning design patent law more closely with...more
On June 30, 2025, the U.S. Court of Appeals for the Federal Circuit vacated a decision by the U.S. Patent Trial and Appeal Board (the “Board”) and remanded the case for further proceedings using a narrower construction of the...more
The Federal Circuit recently reversed a PTAB determination on remand that a patent was obvious over applicant admitted prior art (“AAPA”) in combination with prior art patents, holding that expressly designating AAPA as a...more
On June 11, 2025, the United States Court of Appeals for the Federal Circuit affirmed the Patent Trial and Appeal Board (PTAB) decision invalidating two patents owned by Agilent Technologies. The patents at issue, U.S. Patent...more
Patent attorneys are well-versed in the function of the Information Disclosure Statement (IDS) during prosecution. We understand that listing prior art in an IDS satisfies the duty of candor, helps insulate patents from...more
With nearly 800 cases adjudicated or pending thus far at the Unified Patent Court (UPC), a possible procedural gap has appeared in the European patent system: no clear legal mechanism currently exists to resolve conflicting...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
Changes to design patent validity law may be coming thanks to LKQ v. GM, a case that we’ve been tracking since April 2021. On February 5, 2024, in a rare en banc hearing, the Court of Appeals for the Federal Circuit asked...more
On February 8, in Weber, Inc. v. Provisur Technologies, Inc., the Federal Circuit reversed the Patent Trial and Appeal Board (PTAB) and held that Weber’s operating manuals are prior art printed publications despite their...more
In a much-anticipated opinion that addresses an issue of first impression, the US Court of Appeals for the Federal Circuit narrowed the scope of “comparison prior art”―prior art considered by the fact finder during an...more
Last week, in a precedential decision, the U.S. Court of Appeals for the Federal Circuit (“Federal Circuit”) clarified the law on comparison prior art in design patent cases. In the decision, captioned Columbia Sportswear...more
The Federal Circuit’s recent precedential decision in Parus Holdings v. Google underscores the importance of complying with the PTAB’s procedural rules in an IPR and the potentially serious consequences of not doing so. The...more
In LG Electronics v. Immervision, the Federal Circuit clarified the standard for evaluating whether a prior art reference includes an obvious typographical error. See 39 F.4th 1364, 1365 (Fed. Cir. 2022). Under this...more
[co-author: Jamie Dohopolski] 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...more
In Teva Pharmaceuticals USA, Inc. v. Corcept Therapeutics, Inc.,1 the Federal Circuit affirmed the obviousness analysis performed by the Patent Trial and Appeal Board (“PTAB”), which found that Corcept’s patent for methods of...more
The US Court of Appeals for the Federal Circuit’s recent decision on an appeal from the Patent Trial and Appeal Board to limit prior art for design patent applications to only analogous fields may make it easier for...more
In the recent precedential Federal Circuit decision Valve Corporation v. Ironburg Inventions Ltd., No. 2020-1315, 2020-1315, 2020-1379, 2021 WL 3628664 (Fed. Cir. August 17, 2021), the Federal Circuit ruled on an issue that...more
The Federal Circuit’s recent decision in Microsoft Corporation v. FG SRC, LLC, No. 2020-1928 (Fed. Cir. June 17, 2021), is a stark reminder that an IPR petitioner must always set forth its grounds in its petition with...more
On June 11, in Yanbin Yu, Zhongxuan Zhang. v. Apple Inc., the Federal Circuit issued a decision finding that a claim directed to an improved digital camera was patent-ineligible under 35 U.S.C. § 101. This decision follows...more
Recently, the Federal Circuit issued a decision in Immunex Corp. v. Sanofi-Aventis U.S. LLC addressing the different claim construction standards used by the Patent Trial and Appeal Board (“PTAB”) (broadest reasonable...more
The PTAB recently denied a motion to correct clerical mistakes under 37 C.F.R. § 42.104(c) because the corrections presented substantive new evidence that would have had a substantial impact on the proceedings and prejudiced...more
In a recent decision issued in Louisiana-Pacific Corp. v. Huber Engineered Woods LLC, the Patent Trial and Appeal Board addressed the showing that a petitioner for inter partes review must make to demonstrate that an asserted...more
Introducing the IP Litigation Quarterly Update, a quarterly newsletter summarizing noteworthy and interesting opinions related to intellectual property law. In this first edition covering the first quarter of 2020, the...more
In a precedential opinion, the Federal Circuit reversed a Patent Trial and Appeal Board (PTAB) finding of obviousness invalidating a patent’s method claims for administering a drug for treating non-small cell lung (NSCLC)...more