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
A recent memo from the acting director of the US Patent and Trademark Office directs the Patent Trial and Appeal Board (PTAB) to reject inter partes review (IPR) petitions that use “applicant admitted prior art (AAPA), expert...more
On July 31, 2025, Acting USPTO Director Coke Morgan Stewart released a memo instructing the agency “that applicant admitted prior art (AAPA), expert testimony, common sense, and other evidence that is not ‘prior art...more
On July 31, the US Patent and Trademark Office (USPTO) issued a new memorandum announcing that it will begin enforcing 37 C.F.R. § 42.104(b)(4) that requires petitioners in inter partes review (IPR) proceeding to “specify...more
On July 31, 2025, the Acting Director of the US Patent and Trademark Office (USPTO) issued a significant memorandum that alters the evidentiary landscape for inter partes review (IPR) proceedings before the Patent Trial and...more
Reissue applications represent a very small fraction of the total number of applications filed at the USPTO each year. Indeed, at the midpoint of 2025, over 1.2 million utility applications have been filed, with less than 300...more
iRhythm Technologies, Inc., v. Welch Allyn, Inc., IPR2025-00363, IPR2025-00374, IPR2025-00376, IPR2025-00377, IPR2025-00378 (P.T.A.B. June 6, 2025) - On June 6, 2025, United States Patent and Trademark Office (“USPTO”)...more
Just three months ago, Acting Director of the U.S. Patent and Trademark Office (USPTO) Coke Morgan Stewart rescinded existing guidelines governing the Patent Trial and Appeal Board's (PTAB) discretion to deny petitions for...more
This Federal Circuit Opinion analyzes invalidity based on anticipation and obviousness, more specifically based on implicit claim construction of the claim limitation and inherent disclosures....more
Key Takeaways - - A recent Federal Circuit decision in a case involving an inter partes review (IPR) significantly narrowed a patentee’s ability to rely on estoppel to block a defendant from raising invalidity grounds. -...more