Patent Attorney
Clifford S. Chang
Reg. No. 69492
Active
Not accepting new clients
Location
Fremont, CA 94539
Fremont, CA 94539
Phone
510-299-7025
510-299-7025
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.