Are Your Granted Patents in Danger of a Post-Grant Double Patenting Challenge?
The Briefing: A Prototypical Corporate Salesperson is Not Patentable
Podcast: The Briefing - A Prototypical Corporate Salesperson is Not Patentable
Ways to Amend the Claims in the Patent Invalidation Proceedings
Patent Right Evaluation Report in China’s Patent System
Stages of Patent Invalidation Proceedings
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
Honeywell International Inc. has taken a proactive stance against what it describes as "unwarranted and unfounded" patent litigation by filing a declaratory judgment action in the Western District of North Carolina against...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
We are excited to present the second edition of Sheppard Mullin’s “Year in Review” report, which provides a comprehensive summary of the key precedential Federal Circuit decisions related to patent law in 2024. Building on...more
Sixty-seven patent infringement trials reached a jury verdict in 2024. Of these 67 patent infringement verdicts, thirty-one (approximately 46%) were a complete patent owner win on all patent infringement and validity issues. ...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
As a firm responsible for managing global portfolios for pharmaceutical companies, we closely follow and seek to stay abreast of developments regarding patentability in various jurisdictions. We recently reviewed the Unified...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
Addressing for the first time the standard and burden of proof for the “reasonably could have raised” requirement for inter partes review (IPR) estoppel to apply, the US Court of Appeals for the Federal Circuit concluded that...more
CyWee Group Ltd. (“CyWee”) has been bouncing between the Federal Circuit and Patent Trial and Appeal Board (“Board”) with its administrative challenges after two inter partes review (“IPR”) proceedings invalidated the claims...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
The Federal Circuit invalidated Juno Therapeutics, Inc.’s T cell therapy patent for cancer treatment and erased a billion dollar judgment in Juno’s favor. The court held that the jury verdict regarding the patent’s written...more
On June 29, 2021, the Supreme Court published its divisive opinion in Minerva Surgical, Inc. v. Hologic, Inc., Et. Al. The 5-4 decision penned by Justice Kagan upheld the centuries-old doctrine of Assignor Estoppel, while...more
Assignor estoppel survived the Supreme Court’s decision in Minerva Surgical Inc. v. Hologic Inc., but the Court’s clarification requires diligence and presents opportunities. Review patent assignment and employee agreements...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
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
In a breathtaking decision, the Federal Circuit has ruled that a patented method of making an automobile drive shaft is not eligible to be patented because it is “directed to a natural law.” In so ruling, the court has...more
With few substantive decisions addressing design patents, it’s always exciting to see new guidance from the U.S. Court of Appeals for the Federal Circuit on how these valuable IP assets are prosecuted and enforced. In two...more
In a remarkable collection of opinions that have no direct effect on the law, the Federal Circuit has implicitly given its support to efforts in Congress to override the Supreme Court’s decision in Mayo v. Prometheus, which...more
The Federal Circuit issued a precedential opinion on July 23, 2019, affirming the validity of two design patents related to the Ford F-150 hood and headlamp and sweepingly rejecting arguments that the patents on automotive...more
To narrow issues and promote settlement in “oversized patent cases,” on July 31, 2017, Chief Judge Leonard Stark of the District of Delaware issued an order that indicates a preference for bellwether trials on all issues for...more
In Affinity Labs of Texas, LLC v. Amazon.com, Inc., Chief Judge Prost affirmed a district court’s finding that Affinity Labs’ patent was invalid for being directed to ineligible subject matter because it was directed to an...more
The Federal Circuit recently determined that it lacked jurisdiction to review the Patent Trial and Appeal Board’s determination that assignor estoppel has no affect in an inter partes review (“IPR”). The majority’s decision...more
Procrastinating patent prosecution attorneys took notice when Delaware District Court Judge Richard G. Andrews threw out the longstanding accepted practice that a continuation application may be filed on the issue date of a...more