Registered patent attorney
David W O'Brien
Firm
Haynes and Boone, LLP
Address
98 San Jacinto Blvd, Suite 1500
Austin, TX, 78701
US
Phone
Registered as
Registered patent attorney
Other attorneys at Haynes and Boone, LLP
- Philip H AlbertUSPTO Reg. 35819 · San Francisco, CA
- Katherine L. BakerUSPTO Reg. 82632 · New York, NY
- Jeffrey M BeckerUSPTO Reg. 35442 · Dallas, TX
- Dirk C. BernhardtUSPTO Reg. 82329 · Plano, TX
- Brett A. BostromUSPTO Reg. 73009 · Denver, CO
- Jonathan R BowserUSPTO Reg. 54574 · Washington, DC
- Tom ChenUSPTO Reg. 42406 · Costa Mesa, CA
- Michael Ying-Hsuan ChenUSPTO Reg. 66506 · Costa Mesa, CA
Other patent attorneys in Austin, Texas
- Jeffrey S AbelABEL LAW GROUP, LLP
- Andrew J AbokhairLatham & Watkins LLP
- John K AbokhairJKA Law LLC
- Dennis F AckermanLARSON NEWMAN,LLP
- John AdairSprinkle IP Law Group
- Michael P AdamsDykema Gossett PLLC
- Darryl J AdamsBaker Botts L.L.P.
- Eric L AdlerEgan Nelson LLP
Frequently asked
Frequently asked about David W O'Brien
Is David W O'Brien a registered patent attorney?
Yes. David W O'Brien is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 40107). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is David W O'Brien located?
David W O'Brien's office is in Austin, Texas (78701). Affiliated with Haynes and Boone, LLP.
What firm does David W O'Brien work at?
David W O'Brien is listed as affiliated with Haynes and Boone, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact David W O'Brien?
David W O'Brien's office phone (per the USPTO public roster) is 512-867-8457. Verify availability and intake details directly with the firm before sending privileged materials.
Should I prepare anything before contacting a patent attorney?
Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.
Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.