Santa Monica, California — April 14, 2026 — Lowenstein & Weatherwax LLP, a boutique law firm focused on high-stakes patent litigation and post-grant proceedings, is pleased to announce that it has been named a Chambers Spotlight California firm for the second consecutive year.
Chambers Spotlight recognizes a select group of small and mid-sized firms that deliver high-quality legal services in key markets, offering sophisticated counsel and strong client value outside of traditional large law firm models. The continued inclusion of Lowenstein & Weatherwax LLP reflects the firm’s sustained excellence in representing clients in complex intellectual property matters, including inter partes review (IPR) proceedings, ex parte reexaminations, and appeals before the U.S. Court of Appeals for the Federal Circuit.
“We are honored to be recognized again by Chambers,” said Nathan Lowenstein, Co-Managing Partner of the firm. “This distinction reflects the strength of our team and our continued commitment to delivering precise, strategic, and results-driven advocacy across PTAB proceedings, including both IPRs and ex parte reexaminations, as well as on appeal.”
Lowenstein & Weatherwax LLP has developed a national reputation for its work on behalf of patent owners in high-stakes PTAB proceedings, including a growing and sophisticated ex parte reexamination practice alongside its established IPR work. The firm regularly litigates against leading law firms and global technology companies and is known for its rigorous analytical approach, disciplined briefing, and effective oral advocacy.
Chambers and Partners, one of the legal industry’s most respected research organizations, evaluates firms based on independent research, client feedback, and demonstrated performance across key practice areas.