IP Library
Patent Attorney

Jon P Christensen

Reg. No. 34137
Active
Not accepting new clients
Firm
Welsh Husch Blackwellm LLC
Location
Chicago, IL 60606
Phone
312-526-1500
Registration Type
ATTORNEY
Roster
USPTO OED FY25
Search their patent cases → All cases at Welsh Husch Blackwellm LLC
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.