Patent Agent
Mark Sgantzos
Reg. No. 41427
Active
Not accepting new clients
Firm
SGAN Patent Service
SGAN Patent Service
Location
Douglaston, NY 11363
Douglaston, NY 11363
Phone
718-352-1088
718-352-1088
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.