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In Enanta Pharmaceuticals, Inc. v. Pfizer, Inc., No. 2025-1427 (Fed. Cir. June 23, 2026), the US Court of Appeals for the Federal Circuit (CAFC) was faced with determining whether an alleged typographical error in a provisional application prohibited the non-provisional application, which corrected the alleged typographical error, from receiving the priority date of the provisional application.

Join us on Tuesday, 10 November 2026, for Herzog Patents’ 2nd Annual Conference on Patent Enforcement and Monetization. Gain insights from leading experts from Israel and abroad on how patents can become far more than protective assets, and how enforcement and monetization strategies can unlock value already embedded (but perhaps hidden from view) within your patent portfolio.

We are proud to congratulate our Partner and Patent Attorney, Edith Sokol, on being recognized as Highly Recommended in IP - Patent Agents & Attorneys in the Lexology Index 2026.

On September 1, as students across Israel head back to school, millions of pens will return to desks, notebooks and pencil cases. Few of us will give them a second thought. Yet the ballpoint pen, one of the simplest and most familiar objects we use, is the result of an invention that fundamentally changed the way the world writes.

Dental Monitoring SAS v. Align Technology, Inc., No. 2025-1752 (Fed. Cir. Aug. 10, 2026) A patent or  patent application publication, used as a reference (e.g., prior art), is prior art as of its “effective filing date,” which is typically the earliest filing date of the underlying provisional patent application, from which the patent or  patent application publication claims priority.  This now holds true for all patents and patent application publications used as references-only when the provisional application provides § 112(a) support (§ 112 support) for the claims of the reference (the patent or patent application publication) itself.

Who stands behind a  patent challenge at the USPTO? The USPTO has proposed a rule change that could reshape one of the few remaining avenues for anonymously challenging the validity of a U.S. patent.   A proposed rule change by the United States Patent and Trademark Office (USPTO) was published on July 22, 2026, in which the USPTO proposed to amend the Rules of Practice to require a third party request for Ex Parte Reexamination (EPR) to include a statement by the third party requester identifying all real parties in interest to the EPR request. The proposal is open to public comments until August 21, 2026.

We are proud to share that Ilan Cohn, Svetlana Stadler and David de Vries have been recognized in the IAM Strategy 300 - The World’s Leading IP Strategists 2026.