Atty. Shawn Robert O'Brien

Atty. Shawn Robert O'Brien

Mr. Shawn Robert O'Brien is a lawyer practicing banking & finance, energy, services and 9 other areas of law.

Houston Houston 28 yrs experience 28 year
Call (281) 407-8546 Book Appointment

Profile Summary

About Shawn Robert O'Brien at a glance

Shawn Robert O'Brien is a Partner based in Houston, Texas, practicing at Mayer Brown LLP. They have 28+ years of legal experience, licensed to practice since 1998. Their practice focuses on formation, irs, business, tax, and insurance. Admitted to practice in Texas US Tax Court US District Court for the Southern District of Texas US Court of Federal Claims (1998) and Louisiana (1999). Educated at New York University (LLM Loyola, 1998). Serands clients in Houston, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Shawn Robert O'Brien is a lawyer practicing banking & finance, energy, services and 9 other areas of law
  • Shawn has been licensed for 28 years
  • Shawn practices at Mayer Brown LLP in Houston, TX

Practice Areas Explained

Shawn Robert O'Brien's Areas of Practice

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

Business Formation

Shawn Robert O'Brien is one of 35,584 formation attorneys indexed nationally. Browse formation attorneys in Texas →

IRS Disputes & Audits

Shawn Robert O'Brien is one of 2,917 irs attorneys indexed nationally. Browse irs attorneys in Texas →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Shawn Robert O'Brien is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Texas →

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Shawn Robert O'Brien is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in Texas →

Insurance Law

Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.

Shawn Robert O'Brien is one of 121,912 insurance attorneys indexed nationally. Browse insurance 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 Houston 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 Houston or all attorneys in Texas.

Frequently Asked

Common questions about Shawn Robert O'Brien

Where is Shawn Robert O'Brien's law office located?
Shawn Robert O'Brien's law practice is located in Houston, Texas. The firm is Mayer Brown LLP. You can contact the office directly through this profile page.
What practice areas does Shawn Robert O'Brien handle?
Shawn Robert O'Brien focuses on formation, irs, business, tax, insurance. Each practice area listed reflects experience handling cases of that type in Texas.
How long has Shawn Robert O'Brien practiced law?
Shawn Robert O'Brien has 28+ years of legal experience and has been licensed since 1998.
Where did Shawn Robert O'Brien go to law school?
Shawn Robert O'Brien earned their education at (LLM Loyola, 1998).
How can I contact Shawn Robert O'Brien for a consultation?
You can contact Shawn Robert 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

LLM Loyola
New York University
- 1998

Bar Admissions

Texas US Tax Court US District Court for the Southern District of Texas US Court of Federal Claims
Admitted: 1998
Louisiana
Admitted: 1999

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