Rosanna Gan

Rosanna W. Gan


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Intellectual Property
Intellectual Property
San Francisco

Rosanna is an attorney in the firm's Intellectual Property Practice Group and works on patent, trademark, and copyright litigation matters. In addition, she works on IP transactions involving licensing and due diligence. Rosanna is also an attorney in the Appellate Practice Group where she applies an array of analytical skills to a wide range of appeals. Prior to joining Hanson Bridgett, Rosanna worked as an IP litigator in New York City, where she gained significant experience handling all stages of patent litigation, including pre-suit investigation, motions to dismiss, discovery, claim construction, summary judgment, trial, and post-trial motions.

Rosanna brings a depth of technical expertise to her practice, having earned both her B.S. and M.Eng. in Bioengineering from the University of California, San Diego. She has worked on cases involving pharmaceutical drugs, medical devices, biologics, consumer products, cosmetics, and ecommerce, textiles, lasers, and fabrication processes.


"Notice of Appeal – Back to Basics to Avoid Disaster (Part Two)," Appellate Insight (May 2021)

"Summary Judgment After Sweetwater: More Motions Denied," Daily Journal (January 2020)

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California Lawyers Association, Wiley W. Manuel Pro Bono Legal Services Award (2021)


J.D., Boston University School of Law (2013)

M. ENG., University of California, San Diego (2009)

B.S., magna cum laude, University of California, San Diego (2008)

Admissions And Courts


New York



San Francisco

415-995-5116 Direct Phone
415-995-3574 Fax

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