Patent Attorney
Joel S Sonnenberg
Reg. No. 70766
Active
Not accepting new clients
Firm
Hahn Loeser & Parks, LLP
Hahn Loeser & Parks, LLP
Location
Cleveland, OH 44114
Cleveland, OH 44114
Phone
330-237-4547
330-237-4547
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.