Patent Agent
John Charles Robbins
Reg. No. 34706
Active
Not accepting new clients
Firm
Modal PLLC
Modal PLLC
Location
Springfield, VA 22151
Springfield, VA 22151
Phone
571-410-3400
571-410-3400
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.