DO
Daniel Thomas O'Brien
Daniel Thomas O'Brien is a lawyer in San Antonio, TX. Practice areas include Business, Intellectual Property, Labor-Employment. Court admissions include Illinois Northern District Court, Texas Eastern District Court. Licensed in Texas since 2008. Graduated from University of Illinois in 2006.
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Law school
Bar admission
Office
Disciplinary
DO
Daniel Thomas O'Brien
San Antonio, TX·17 years licensed
Claim profileContact attorney
Daniel Thomas O'Brien is a lawyer in San Antonio, TX. Practice areas include Business, Intellectual Property, Labor-Employment. Court admissions include Illinois Northern District Court, Texas Eastern District Court. Licensed in Texas since 2008. Graduated from University of Illinois in 2006.
Law school
University of Illinois
Class of 2006
Bar admission
2008
State Bar of TX · #24065832
Office
2102 E Lawndale Dr
San Antonio, TX 78209
Disciplinary
None on record
Clean since admission
Practice, Courts & Credentials
Practice areas5 listed
BusinessIntellectual PropertyLabor-EmploymentLitigation: CommercialTechnology
Courts admitted4 total
Illinois Northern District Court
Texas Eastern District Court
Texas Northern District Court
US Patent and Trademark Office
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Last refreshed Sep 2026