Patent Attorney
Patrick J Zhang
Reg. No. 52394
Active
Not accepting new clients
Firm
Townsend and Townsend and Crew LLP
Townsend and Townsend and Crew LLP
Location
San Francisco, CA 94111-3834
San Francisco, CA 94111-3834
Phone
415-273-8305
415-273-8305
Registration Type
ATTORNEY
ATTORNEY
Roster
USPTO OED FY25
USPTO OED FY25
Firm and contact info reflects the FY25 roster (last updated September 25).
Attorneys may have changed firms since then — patent filings show their current firm of record.