Patent Attorney
Helen S. Liu
Reg. No. 55389
Active
Not accepting new clients
Firm
Liu Law Office
Liu Law Office
Location
Bedford, MA 01730-1848
Bedford, MA 01730-1848
Phone
781-413-4076
781-413-4076
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.