Patent Agent
Yu Ching Chang
Reg. No. 71339
Active
Not accepting new clients
Location
Kaohsiung City 801
Kaohsiung City 801
Phone
011-886-988717013
011-886-988717013
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.