IP Library
Patent Agent

Donald John Gerhart

Reg. No. 42572
Active
Not accepting new clients
Firm
Challenger Biosciences
Location
Eugene, OR 97402
Phone
866-606-4126
Registration Type
AGENT
Roster
USPTO OED FY25
Search their patent cases → All cases at Challenger Biosciences
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.