Patent Attorney
Douglas M Hamilton
Reg. No. 47629
Active
Not accepting new clients
Firm
Osha Bergman Watanabe & Burton
Osha Bergman Watanabe & Burton
Location
Houston, TX 77002
Houston, TX 77002
Phone
713-228-8600
713-228-8600
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.