TO
Thomas J. O'Brien
Thomas J. O'Brien is a lawyer in Dallas, TX who works for Law Office of Thomas J. O'Brien. Practice areas include Family. Board certifications include Family Law. Licensed in Texas since 1992. Graduated from St. Mary's University in 1992.
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Law school
Bar admission
Office
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TO
Thomas J. O'Brien
Law Office of Thomas J. O'BrienDallas, TX·33 years licensed
Claim profileContact attorney
Thomas J. O'Brien is a lawyer in Dallas, TX who works for Law Office of Thomas J. O'Brien. Practice areas include Family. Board certifications include Family Law. Licensed in Texas since 1992. Graduated from St. Mary's University in 1992.
Law school
St. Mary's University
Class of 1992
Bar admission
1992
State Bar of TX · No. 784691
Office
4015 Main St Ste 200
Dallas, TX 75226
Disciplinary
None on record
Clean since admission
Case data
Case data
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Practice & jurisdiction
Practice areas
- Family
Credentials
Board certification
Family Law
TBLS · Certified 2001
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Last refreshed Jun 2026