Patent Attorney
Sean Earl Ryder
Reg. No. 45905
Active
Not accepting new clients
Firm
Helsinn Therapeutics Inc.
Helsinn Therapeutics Inc.
Location
Iselin, NJ 08830
Iselin, NJ 08830
Phone
732-603-2800
732-603-2800
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.