Department profile
Lowenstein & Weatherwax LLP

Intellectual Property

USA: Spotlight Guide 2026 : Los Angeles


Lowenstein & Weatherwax LLP

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Intellectual Property - Los Angeles

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What the Team is Known For

Lowenstein & Weatherwax LLP is a top IPR litigation boutique, exclusively representing patent owners, with a strong reputation for advocating for entities against major corporations. Based in Los Angeles, the firm frequently handles trial proceedings before the PTAB and has represented companies across a variety of technology sectors, including microelectronics, medical devices and pharmaceuticals.

Work Highlights

Lowenstein & Weatherwax represented Entropic in 19 IPRs filed by Comcast, Cox, Dish, or Direct TV between January and December, obtaining a complete victory in 14 of those.

Significant Clients

Entropic Communications

Radian Memory Systems

Neural AI

Security First Corporation

DivX LLC

Key contact

Nathan Lowenstein is a key contact.

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