IP Library
Patent Agent

Toyohiko Konno

Reg. No. 68859
Active
Not accepting new clients
Firm
Birch, Stewart, Kolasch & Birch, LLP
Location
Falls Church, VA 22042-1248
Phone
703-205-8000
Registration Type
AGENT
Roster
USPTO OED FY25
Search their patent cases → All cases at Birch, Stewart, Kolasch & Birch, LLP
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.