IP Library
Patent Attorney

Barbara Elizabeth Johnson

Reg. No. 31198
Active
Not accepting new clients
Firm
Barbara E. Johnson, Esq.
Location
Pittsburgh, PA 15219
Phone
412-281-3350
Registration Type
ATTORNEY
Roster
USPTO OED FY25
Search their patent cases → All cases at Barbara E. Johnson, Esq.
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.