Jonathan J. Duffield
Patent attorney, USPTO registration number 60392, status Active.
- Firm
- Genentech, INC
- Location
- South San Francisco, CA
- On the USPTO roster since
- November 2007
Jonathan J. Duffield is a USPTO-registered patent attorney (registration number 60392) at Genentech, INC, in South San Francisco, CA. The registration is active on the current USPTO roster, and Jonathan J. Duffield has been listed on the roster since November 2007.
Genentech, INC has 43 registered patent practitioners on the roster (29 patent attorneys and 14 patent agents), so Jonathan J. Duffield works alongside 42 other registered practitioners there.
South San Francisco, CA has 128 registered patent practitioners in all: 91 patent attorneys and 37 patent agents.
Other registered practitioners in South San Francisco, CA
- Jenny J. Yeh — Patent attorney, Reg. No. 60610, Pfizer INC
- Stephanie A. Yonker — Patent attorney, Reg. No. 58528, Alector, LLC
- Hanna H. Yoon — Patent attorney, Reg. No. 72307, Denali Therapeutics
- Chen Zhao — Patent agent, Reg. No. 79254
- Lisa E. Alexander — Patent attorney, Reg. No. 41576, Amgen INC.
- Na An — Patent attorney, Reg. No. 72899, Genentech
- Alex A. Andalis — Patent attorney, Reg. No. 61991, EncodedTherapeutics, Inc.
- Rekha P. Bansal — Patent attorney, Reg. No. 36440, Principia Biopharma Inc.
All patent attorneys and agents in South San Francisco, CA
Patent firms in California · Practitioners by state
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