IP Library
Patent Agent

Benjamin S Chalfin

Reg. No. 74181
Active
Not accepting new clients
Firm
Flaster Greenberg PC
Location
Philadelphia, PA 19103
Phone
215-587-5607
Registration Type
AGENT
Roster
USPTO OED FY25
Search their patent cases → All cases at Flaster Greenberg PC
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.