Patent Attorney
John K Hsu
Reg. No. 45563
Active
Not accepting new clients
Firm
Schiff Hardin LLP
Schiff Hardin LLP
Location
Washington, DC 20001
Washington, DC 20001
Phone
202-778-6467
202-778-6467
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.