IP Library
Patent Attorney

David W O'Brien

Reg. No. 40107
Active
Not accepting new clients
Firm
Haynes and Boone, LLP
Location
Austin, TX 78701
Phone
512-867-8457
Registration Type
ATTORNEY
Roster
USPTO OED FY25
Search their patent cases → All cases at Haynes and Boone, LLP
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.