Attorney
David W. O'Brien
0 review
39 cases
29 years of experience
Partner at Haynes and Boone, LLP
Austin, TX
d**@**one.com
(512) ***-****
Practice Areas (3)
Patent Prosecution
Intellectual Property
Patent
David W. O'Brien of Haynes and Boone, LLP Attorney Rankings and Achievements
2023
2022
2021
2020