IP Library
Patent Attorney

John P Costello

Reg. No. 36110
Active
Not accepting new clients
Firm
Costello Law Corporation
Location
Roseville, CA 95661
Phone
916-441-2234
Registration Type
ATTORNEY
Roster
USPTO OED FY25
Search their patent cases → All cases at Costello Law Corporation
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.