Atty. David Wesley O'Brien

Atty. David Wesley O'Brien

Mr. David Wesley O'Brien is a lawyer practicing intellectual property, computers and software, patents and 4 other areas of law.

Austin Austin 31 yrs experience 31 year
Call (737) 843-0386 Book Appointment

Profile Summary

About David Wesley O'Brien at a glance

David Wesley O'Brien is a Partner based in Austin, Texas, practicing at Haynes and Boone, LLP. They have 31+ years of legal experience, licensed to practice since 1995. Their practice focuses on patent, trademark, copyright, and ip. Admitted to practice in Texas registered to practice before U.S. Patent and Trademark Office (1995). Educated at University of Texas at Austin (J.D. M.S.E., 1995) and Cornell University (B.S.E.E. University, 1986). Serands clients in Austin, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. David Wesley O'Brien is a lawyer practicing intellectual property, computers and software, patents and 4 other areas of law
  • David received a B.S.E.E. degree from Cornell University in 1986, and has been licensed for 31 years
  • David practices at Haynes and Boone, LLP in Austin, TX

Practice Areas Explained

David Wesley O'Brien's Areas of Practice

Each practice area below reflects the types of cases David Wesley O'Brien handles, with a brief overview of what that area of law covers.

Patent Law

David Wesley O'Brien is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Texas →

Trademark Law

David Wesley O'Brien is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in Texas →

Copyright Law

David Wesley O'Brien is one of 17,495 copyright attorneys indexed nationally. Browse copyright attorneys in Texas →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

David Wesley O'Brien is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Texas →

Jurisdictional Context

Why local counsel matters in Texas

Practicing law in Texas. Legal matters in Texas are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Austin are typically filed in the local municipal court or the appropriate Texas state district court, depending on subject matter and amount in controversy. An attorney licensed in Texas brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Texas courts without local counsel or pro hac vice admission.

Looking for additional Texas attorneys? Browse all attorneys in Austin or all attorneys in Texas.

Frequently Asked

Common questions about David Wesley O'Brien

Where is David Wesley O'Brien's law office located?
David Wesley O'Brien's law practice is located in Austin, Texas. The firm is Haynes and Boone, LLP. You can contact the office directly through this profile page.
What practice areas does David Wesley O'Brien handle?
David Wesley O'Brien focuses on patent, trademark, copyright, ip. Each practice area listed reflects experience handling cases of that type in Texas.
How long has David Wesley O'Brien practiced law?
David Wesley O'Brien has 31+ years of legal experience and has been licensed since 1995.
Where did David Wesley O'Brien go to law school?
David Wesley O'Brien earned their education at (J.D. M.S.E., 1995); (B.S.E.E. University, 1986).
How can I contact David Wesley O'Brien for a consultation?
You can contact David Wesley O'Brien directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D. M.S.E.
University of Texas at Austin
- 1995
B.S.E.E. University
Cornell University
- 1986

Bar Admissions

Texas registered to practice before U.S. Patent and Trademark Office
Admitted: 1995

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