Understanding the Impact of IPR Estoppel and PTAB Discretionary Denials — Patents: Post-Grant Podcast
New Developments in Obviousness-Type Double Patenting and Original Patent Requirements — Patents: Post-Grant Podcast
Inter Partes Review: Validity Before the PTAB
This Federal Circuit opinion analyzes various key issues in patent litigation, including the role of applicant admitted prior art (“AAPA”), standing, and obviousness. Background - Shockwave Medical, Inc. (“Shockwave”)...more
The US Court of Appeals for the Federal Circuit partially reversed a decision by the Patent Trial & Appeal Board, effectively relaxing the nexus requirements for patent licenses pertaining to their usage as objective indicia...more
Etanercept Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more
On May 23, 2025, the United States Court of Appeals for the Federal Circuit (“CAFC”) issued a precedential opinion reversing a final written decision from the U.S. Patent Trial and Appeal Board (“PTAB”) finding the challenged...more
The Patent Trial and Appeal Board recently declined to institute a petition for IPR that was filed on the same day that the petitioner filed another petition challenging the same claims of the same patent. The board was not...more
Recently, the Patent Trial and Appeal Board (“the Board”) was persuaded to consider the merits of three out of seven concurrent petitions for an inter partes review of a single patent due to the patent’s complicated claiming...more
The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board unpatentability determination, finding that a skilled artisan would have found the term “sterile” in a UK publication to mean the same as...more
SAGE PRODUCTS, LLC v. STEWART [OPINION] - Before Reyna, Cunningham, and Stark. Appeal from the United States Patent and Trademark Office, Patent Trial and Appeal Board. The Board did not abuse its discretion by relying on...more
When a prevailing challenger withdraws from an appeal in post-grant proceedings, the Director can intervene under 35 U.S.C. § 143, which is what happened in an appeal in Sage Products, LLC v. Stewart after Challenger Becton...more
It is relatively uncommon for parties to submit expert declarations in the preliminary-response phase of an IPR proceeding, but recently the Patent Owner in Imperative Care, Inc. v. Inari Medical, Inc. effectively used that...more
On March 4, 2025, the Federal Circuit affirmed the Patent Trial and Appeal Board’s (“PTAB”) decision in Restem, LLC v. Jadi Cell, LLC, No. 23-2054, 2025 WL 679195, at *1 (Fed. Cir. Mar. 4, 2025), finding that the patent...more
Completing a recent jurisprudential "hat trick,"* the Federal Circuit affirmed a District Court grant of a preliminary injunction against a biosimilar applicant for Regeneron's EYLEA biologic drug in Regeneron...more
This Article analyzes over 89,000 patents litigated over a twenty-year period to determine how the number of office actions to allowance during prosecution impacts rates of invalidity during subsequent litigation. Many...more
2024 brought exciting developments at the Federal Circuit. The court issued its first en banc decision in a patent case in five years in LKQ, which significantly altered the standard for proving obviousness of a design...more
A patent’s specification established a naming convention that applied to terms in the patent’s claims. Microchip Technology filed an IPR, arguing all claims of HD Silicon Solutions’ patent were invalid. The challenged patent...more
The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board obviousness determination even though it found the Board had improperly construed a claim term, because the Court found the error harmless...more
The Patent Trial and Appeal Board granted institution of inter partes review of a patent directed to delivery of targeted television advertisements. The board rejected patent owner’s argument that a lack of particularity as...more
In Ioengine, LLC v. Ingenico Inc. No. 2021-1227, 2021-1331, 2021-1332 (Fed. Cir. May 03, 2024), the case addresses the patentability/validity of three patents. In particular, this case discusses the application of the printed...more
We are pleased to share Sheppard Mullin’s inaugural “Year in Review” report that collects and reports on most key patent law-related Federal Circuit decisions for 2023. This is a follow up to the quarterly report we...more
2023 saw a return to business as usual for the Federal Circuit. Oral arguments are once again in-person and open to the public, and the Court has resumed its former practice of holding occasional sittings outside of...more
Addressing a decision by the US International Trade Commission finding a violation of Section 337 based on importation of certain TV products, the US Court of Appeals for the Federal Circuit agreed that the patent holder had...more
This year we are covering three claim construction cases from the Federal Circuit—one coming from the Board and the two from district court. Taken together, the cases are a good reminder of the high burden that a party must...more
Directors Michael Joffre, Ph.D., William H. Milliken, Anna G. Phillips, and Richard A. Crudo will present the webinar "Federal Circuit IP Appeals: Summaries of Key 2023 Decisions" on Tuesday, January 23, 2024, at 1:00 p.m....more
On March 31, 2023, Zhuhai CosMX Battery Co., Ltd. (“Zhuhai”) filed a petition for inter partes review (“IPR”) of claims of U.S. Patent No. 11,329,352 (“the ’352 Patent”), assigned to Ningde Amperex Technology Ltd....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