IP Library
Patent Attorney

John Sowden Child

Reg. No. 28833
Active
Not accepting new clients
Firm
Paul & Paul
Location
Philadelphia, PA 19103-2728
Phone
215-568-4900
Registration Type
ATTORNEY
Roster
USPTO OED FY25
Search their patent cases → All cases at Paul & Paul
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.