March 5, 2026 (Santa Monica, CA)Lowenstein & Weatherwax LLP founding partner Nathan Lowenstein has been recognized in a March 5, 2026 article published by Patexia highlighting leading Patent Trial and Appeal Board (PTAB) practitioners.The article, Patexia Insight 261: Leading PTAB Practitioners by Activity and Performance, identifies Lowenstein as the #1 ranked attorney in Patent Owner Performance among the 5,650 practitioners who appeared in PTAB proceedings nationwide during the five-year period from July 1, 2020 through June 30, 2025.Patexia’s analysis evaluates attorneys based on a combination of activity levels, case outcomes, and consistency of performance across PTAB proceedings.Lowenstein & Weatherwax LLP is a boutique litigation firm focused on representing patent owners in complex PTAB proceedings and Federal Circuit appeals.
Patexia Insight 261: Leading PTAB Practitioners by Activity and Performance