Patent Agent
Chien-hung Yu
Reg. No. 74923
Active
Not accepting new clients
Firm
Jiang Chyun Intellectual Property Office
Jiang Chyun Intellectual Property Office
Location
Taipei City 10084
Taipei City 10084
Phone
886-223-69-2800
886-223-69-2800
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.