Patent Attorney David W O'Brien

USPTO Data

USPTO data is frequently out of date. You can update your information at the USPTO OED website.

Reg. No.:40107
Firm/Company:Haynes and Boone, LLP
Address:Austin, TX 78701
Last Updated:2026-04-05

Public Data

This information is obtained from searching the Internet and may be out of date or incorrect.

Firm/Company: Haynes Boone
Other info: LinkedIn Profile
Firm Profile
Last Updated:2026-05-02

Top Applicants

This practitioner has been affiliated with the following applicants over the past 10 years.

Applicant Count
PAYPAL, INC. 2132
Halliburton Energy Services, Inc. 521
Graphcore Limited 202
Qorvo US, Inc. 196
NetApp, Inc. 173
Nite Ize, Inc. 170
Peloton Interactive, Inc. 111
Toyota Motor Engineering & Manufacturing North America, Inc. 102
DIALOG SEMICONDUCTOR INC. 99
Nabors Drilling Technologies USA, Inc. 96
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