IP Library
Patent Attorney

Cynthia Tianxin Chen

Reg. No. 61193
Active
Not accepting new clients
Firm
Amgen
Location
Cambridge, MA 02141
Phone
617-444-5451
Registration Type
ATTORNEY
Roster
USPTO OED FY25
Search their patent cases → All cases at Amgen
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.