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
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
The U.S. Court of Appeals for the Federal Circuit (“CAFC”) recently issued its opinion in Apple Inc. v. Gesture Technology Partners, LLC, a case that focuses on obviousness under 35 U.S.C. §103, claim breadth and the...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
As we predicted in our 2023 report, 2024 was a banner year for design rights in the U.S. and elsewhere. In last year’s report, we noted that the U.S. Court of Appeals for the Federal Circuit (CAFC) agreed to consider en banc...more
Allergan USA v. MSN Laboratories Private Ltd., No. 2024-1061 (Fed. Cir. Aug. 13, 2024) - On August 13, 2024, the Federal Circuit reversed a district court’s decision that a patent was invalid for obviousness-type double...more
In Voice Tech Corp., v. Unified Patents, LLC 2022-2163 (Fed Cir. August 1, 2024), the case addresses whether failure to re-raise arguments in a request for rehearing before the Patent Trial and Appeals Board (“PTAB”) forfeits...more
This decision emphasizes the significance of broader public dissemination to meet the statutory requirement of “publicly disclosed” for purposes of exceptions to prior art under 35 U.S.C. § 102(b)(2)(B)....more
In a recent opinion, the Federal Circuit added several new wrinkles to amendment practice in inter partes review proceedings. The court affirmed the Patent Trial and Appeal Board’s determination that most of the original...more
Co-authored by Sam Cohen, Summer Associate 2024. On May 29, 2024, the Western District of Oklahoma in SIPCO, LLC v. JASCO Prods. Co. dismissed the plaintiff SIPCO’s patent infringement claims against defendant JASCO because...more
In a considerable shift in the law, the Federal Circuit has discarded the long-standing test for determining whether a design patent is invalid as obvious, in favor of the more flexible obviousness test historically applied...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
[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
Addressing the sufficiency of the Patent Trial & Appeal Board’s (PTAB) justification of its inter partes review (IPR) determination, the US Court of Appeals for the Federal Circuit reversed the PTAB’s obviousness...more
[co-author: Kathleen Wills] Last year, the global COVID-19 pandemic created unprecedented challenges for American courts. By making several changes, however, the U.S. Court of Appeals for the Federal Circuit was able to...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
What comes to mind when you think of “hot topics” in patent law? Subject matter eligibility? Obviousness? Damages? Quietly, administrative law has moved to the top of the list of issues that consume the attention of the Court...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
In 2018, the U.S. Court of Appeals for the Federal Circuit docketed close to 600 appeals from the U.S. Patent and Trademark Office (USPTO). That is the second highest number since starting to hear post-American Invents Act...more
In recent years, the U.S. Supreme Court has considered a number of intellectual property and related cases, but many issues remain unresolved. Therefore, it is important to look both at the cases currently before the U.S....more
This paper is based on reports on precedential patent cases decided by the Federal Circuit distributed by Peter Heuser on a weekly basis. ...more