IP Library
Patent Attorney

John K Hsu

Reg. No. 45563
Active
Not accepting new clients
Firm
Schiff Hardin LLP
Location
Washington, DC 20001
Phone
202-778-6467
Registration Type
ATTORNEY
Roster
USPTO OED FY25
Search their patent cases → All cases at Schiff Hardin LLP
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.