Patent Attorney
Letitia A. Walker
Reg. No. 68726
Active
Not accepting new clients
Firm
Amgen
Amgen
Location
Thousand Oaks, CA 91320-1799
Thousand Oaks, CA 91320-1799
Phone
805-313-3679
805-313-3679
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.