Lowenstein & Weatherwax LLP
Rankings
Leading firm in USA 2026
Ranked Departments:
Overview
Provided by Lowenstein & Weatherwax LLP
Lowenstein & Weatherwax is nationally recognized for representing patent owners in IPRs, reexaminations, Federal Circuit appeals, and district court patent litigation. L&W has handled over 400 IPR/CBM proceedings and nearly 80 Federal Circuit appeals. Patexia ranked Nathan Lowenstein #1 in Patent Owner Performance out of 5,650 PTAB practitioners nationwide for 2020–2025, and ranked L&W the sixth most active and sixth best-performing firm representing patent owners.
Work & experience
Provided by Lowenstein & Weatherwax LLP
L&W represents patent owners in high-stakes IPRs, reexaminations, Federal Circuit appeals, and district court litigation. The firm is known for exemplary written work product, persuasive oral advocacy, rigorous technical analysis, and strategic judgment. Its boutique model gives clients top-tier advocacy, senior-level attention, and exceptional value in technically complex, high-stakes matters.
Notable work
Provided by Lowenstein & Weatherwax LLP
Entropic Communications LLC
L&W obtained 14 noninstitutions of IPR petitions brought by Comcast, Dish, and Cox.
Neural AI LLC
L&W obtained noninstitutions of all four IPR petitions filed by petitioner NVIDIA.
Security First Innovations LLC
Obtained four IPR noninstitutions and a reexamination victory
Ranked Offices
Provided by Lowenstein & Weatherwax LLP
USA - Head office
California
1016 Pico Blvd Santa Monica , Santa Monica, California, USA, 90405, Santa Monica
Ranked Departments
Lowenstein & Weatherwax LLP
Top figures
1
Offices
12
Employees
2012
Established in
Key people
Industry sectors
Capabilities
Clients
Content provided by Lowenstein & Weatherwax LLP