Knobbe Martens

IP firm Knobbe Martens offers deep expertise in nearly all areas of intellectual property, earning highly recommended rankings in patent and trademark prosecution and litigation. In California the firm has offices in Irvine, Los Angeles, San Diego and San Francisco.

Key practitioners in the patent practice include Jon Gurka, Steve Jensen, Christy Lea, Sabing Lee, Salima Merani, Joseph Re, Robert Roby, John Sganga and Gerard von Hoffmann. Re is currently president of the American Intellectual Property Law Association.

The firm has a significant trademark and copyright practice, led in part by brand protection co-chair practitioner Susan Natland. She focuses her practice on trademark clearance, prosecution, enforcement and office proceedings.

The firm is active in a novel patent dispute for Personal Genome Diagnostics against Guardant Health in the District of Delaware. The matter involves patent infringement claims related to liquid biopsy technology and is being closely watched as a dispute between two leading companies in the emerging technology area.

In another matter, the firm represented software client SecureAuth in a Federal Circuit appeal brought by StrikeForce, resulting in an affirmation in favor of the client.

Additional patent clients of the firm include Personal Genome Diagnostics, Edwards Lifesciences, Fisher & Paykel and Illumina.

In 2021, the firm was shortlisted for a Managing IP Award for Patent Prosecution in the West.

Recent trademark clients of the firm include Chico’s, Twentieth Century Fox, Monster Energy and Urban Decay.