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Attorney Database Entry For David Trossen

Lawyer Full Name:
David R. Trossen

Attorney Employer:
Knobbe Martens Olson & Bear, LLP

Attorney City / Province:
San Francisco, California (Us)

U.S. Patent Office Registration ID

: #59406

Registered Status (Attorney / Agent)


Telephone Number

: 415-954-4114

Registered Address


David Trossen
333 Bush Street, 21st Floor
San Francisco, CA. 94104-4448

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