IP Library
Patent Agent

Timothy J Churna

Reg. No. 48340
Active
Not accepting new clients
Firm
Microsoft Corporation
Location
Redmond, WA 98052-5393
Phone
425-421-6189
Registration Type
AGENT
Roster
USPTO OED FY25
Search their patent cases → All cases at Microsoft Corporation
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.