Registered patent attorney
Jonathan J Duffield
Firm
Genentech Inc.
Address
1 DNA Way
South San Francisco, CA, 94080
US
Phone
Registered as
Registered patent attorney
Other attorneys at Genentech Inc.
Other patent attorneys in South San Francisco, California
- Lisa E AlexanderAmgen Inc.
- Na AnGenentech
- Alex A. AndalisEncodedTherapeutics, Inc.
- Jonathan P AumaisGenentech, Inc
- Rekha P BansalPrincipia Biopharma Inc.
- Jeffery P BernhardtAllogene Therapeutics, Inc.
- Robert L BernsteinAmgen Inc.
- Galya D BlachmanUSPTO Reg. 69828
Frequently asked
Frequently asked about Jonathan J Duffield
Is Jonathan J Duffield a registered patent attorney?
Yes. Jonathan J Duffield is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 60392). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Jonathan J Duffield located?
Jonathan J Duffield's office is in South San Francisco, California (94080). Affiliated with Genentech Inc..
What firm does Jonathan J Duffield work at?
Jonathan J Duffield is listed as affiliated with Genentech Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Jonathan J Duffield?
Jonathan J Duffield's office phone (per the USPTO public roster) is 650-866-2007. Verify availability and intake details directly with the firm before sending privileged materials.
Should I prepare anything before contacting a patent attorney?
Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.
Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.