Patent Attorney
Max S Oppenheimer
Reg. No. 33203
Active
Not accepting new clients
Firm
Hatch
Hatch
Location
Stevenson, MD 21153
Stevenson, MD 21153
Phone
410-633-8133
410-633-8133
Registration Type
ATTORNEY
ATTORNEY
Roster
USPTO OED FY25
USPTO OED FY25
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.