IP Library
Patent Attorney

Douglas J Barker

Reg. No. 40423
Active
Not accepting new clients
Firm
Microsoft Corporation
Location
Redmond, WA 98052
Phone
425-705-4466
Registration Type
ATTORNEY
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.