Registered patent attorney
Patrick J Zhang
Firm
Townsend and Townsend and Crew LLP
Address
Two Embarcadero Center, 8th Floor
San Francisco, CA, 94111-3834
US
Phone
Registered as
Registered patent attorney
Other attorneys at Townsend and Townsend and Crew LLP
- Erin O BuellUSPTO Reg. 57450 · San Francisco, CA
- Tyler J. GeeUSPTO Reg. 60634 · San Francisco, CA
- Roger Nicholas HyltonUSPTO Reg. 50866 · Palo Alto, CA
- Babak KushaUSPTO Reg. 51095 · Walnut Creek, CA
- David RosenbergUSPTO Reg. 54409 · San Francisco, CA
- Andrea D TiglioUSPTO Reg. 60829 · Washington, DC
- Fang WuUSPTO Reg. 62058 · Palo Alto, CA
- Lu YinUSPTO Reg. 60214 · Palo Alto, CA
Other patent attorneys in San Francisco, California
- Evan K AbbaszadehUSPTO Reg. 77455
- Tom AbelesEvolve Discovery
- Michael J AdamsSquire Patton Boggs
- Bonnie M AdellZendesk, Inc.
- Michael T AdelsheimTucker Ellis, LLP
- Matthew Allan AdrianowyczWilson Sonsini Goodrich & Rosati
- Anchal AgarwalAlston & Bird LLP
- Juwon AhnCovington & Burling LLP
Frequently asked
Frequently asked about Patrick J Zhang
Is Patrick J Zhang a registered patent attorney?
Yes. Patrick J Zhang is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 52394). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Patrick J Zhang located?
Patrick J Zhang's office is in San Francisco, California (94111-3834). Affiliated with Townsend and Townsend and Crew LLP.
What firm does Patrick J Zhang work at?
Patrick J Zhang is listed as affiliated with Townsend and Townsend and Crew LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Patrick J Zhang?
Patrick J Zhang's office phone (per the USPTO public roster) is 415-273-8305. 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.