Patent Agent
Timothy J Churna
Reg. No. 48340
Active
Not accepting new clients
Firm
Microsoft Corporation
Microsoft Corporation
Location
Redmond, WA 98052-5393
Redmond, WA 98052-5393
Phone
425-421-6189
425-421-6189
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.