IP Library
Patent Agent

John C Masiewicz

Reg. No. 60597
Active
Not accepting new clients
Firm
Western Digital
Location
San Jose, CA 95138-1857
Phone
949-363-4259
Registration Type
AGENT
Roster
USPTO OED FY25
Search their patent cases → All cases at Western Digital
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.