Patent Agent
Xun Liu
Reg. No. 81172
Active
Not accepting new clients
Location
Philadelphia, PA 19130
Philadelphia, PA 19130
Phone
857-345-5138
857-345-5138
Registration Type
AGENT
AGENT
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.