Patent Attorney
Siwen Chen
Reg. No. 67711
Active
Not accepting new clients
Firm
ExxonMobil Chemical Company
ExxonMobil Chemical Company
Location
Baytown, TX 77520
Baytown, TX 77520
Phone
281-834-2438
281-834-2438
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.