IP Library
Patent Attorney

Patrick E Brennan

Reg. No. 56511
Active
Not accepting new clients
Firm
Armstrong Teasdale LLP
Location
St. Louis, MO 63105
Phone
314-621-5070
Registration Type
ATTORNEY
Roster
USPTO OED FY25
Search their patent cases → All cases at Armstrong Teasdale LLP
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.