IP Library
Patent Attorney

Weiying Yang

Reg. No. 61637
Active
Not accepting new clients
Firm
Purdue Pharma L.P.
Location
Stamford, CT 06901
Phone
203-588-7338
Registration Type
ATTORNEY
Roster
USPTO OED FY25
Search their patent cases → All cases at Purdue Pharma L.P.
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.