Patent Agent
Audrey B Chang
Reg. No. 69800
Active
Not accepting new clients
Location
Berkeley, CA 94703
Berkeley, CA 94703
Phone
510-845-7169
510-845-7169
Registration Type
AGENT
AGENT
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.