Patent Agent
Esther Hyeri Chong
Reg. No. 40953
Active
Not accepting new clients
Firm
Birch, Stewart, Kolasch & Birch, LLP
Birch, Stewart, Kolasch & Birch, LLP
Location
Falls Chruch, VA 22040
Falls Chruch, VA 22040
Phone
703-205-8000
703-205-8000
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.