Atty. Thomas O'Neal Sinclair

Atty. Thomas O'Neal Sinclair

Mr. Thomas O'Neal Sinclair is a lawyer practicing professional and executive disability claims, erisa claims, insurance litigation and 6 other areas of law.

Birmingham Birmingham 27 yrs experience 27 year
Call (205) 855-3860 Book Appointment

Profile Summary

About Thomas O'Neal Sinclair at a glance

Thomas O'Neal Sinclair is a Member based in Birmingham, Alabama, practicing at Sinclair Law Firm L L C. They have 27+ years of legal experience, licensed to practice since 1999. Their practice focuses on employment, business, ssd, class action, and health care. Admitted to practice in Alabama (1999), U.S. District Court Middle, District of Alabama (1999), U.S. District Court, Northern District of Alabama (2000), and U.S. District Court, Southern District of Alabama (2000). Educated at Cumberland School of Law of Samford University (J.D. Trial, 1999) and University of Alabama (B.S. Commerce, 1995). Serands clients in Birmingham, AL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Thomas O'Neal Sinclair is a lawyer practicing professional and executive disability claims, erisa claims, insurance litigation and 6 other areas of law
  • Thomas received a B.S. degree from University of Alabama in 1995, and has been licensed for 27 years
  • Thomas practices at Sinclair Law Firm, L.L.C. in Birmingham, AL

Practice Areas Explained

Thomas O'Neal Sinclair's Areas of Practice

Each practice area below reflects the types of cases Thomas O'Neal Sinclair handles, with a brief overview of what that area of law covers.

Employment Law

Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.

Thomas O'Neal Sinclair is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys in Alabama →

Business & Corporate Law

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

Thomas O'Neal Sinclair is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Alabama →

Social Security Disability

SSDI and SSI attorneys for disability claims, denied benefits, and Social Security appeals.

Thomas O'Neal Sinclair is one of 26,532 ssd attorneys indexed nationally. Browse ssd attorneys in Alabama →

Class Action

Thomas O'Neal Sinclair is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in Alabama →

Health Care Law

Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.

Thomas O'Neal Sinclair is one of 66,735 health care attorneys indexed nationally. Browse health care attorneys in Alabama →

Jurisdictional Context

Why local counsel matters in Alabama

Practicing law in Alabama. Legal matters in Alabama are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Birmingham are typically filed in the local municipal court or the appropriate Alabama state district court, depending on subject matter and amount in controversy. An attorney licensed in Alabama 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 Alabama courts without local counsel or pro hac vice admission.

Looking for additional Alabama attorneys? Browse all attorneys in Birmingham or all attorneys in Alabama.

Frequently Asked

Common questions about Thomas O'Neal Sinclair

Where is Thomas O'Neal Sinclair's law office located?
Thomas O'Neal Sinclair's law practice is located in Birmingham, Alabama. The firm is Sinclair Law Firm L L C. You can contact the office directly through this profile page.
What practice areas does Thomas O'Neal Sinclair handle?
Thomas O'Neal Sinclair focuses on employment, business, ssd, class action, health care. Each practice area listed reflects experience handling cases of that type in Alabama.
How long has Thomas O'Neal Sinclair practiced law?
Thomas O'Neal Sinclair has 27+ years of legal experience and has been licensed since 1999.
Where did Thomas O'Neal Sinclair go to law school?
Thomas O'Neal Sinclair earned their education at (J.D. Trial, 1999); (B.S. Commerce, 1995).
How can I contact Thomas O'Neal Sinclair for a consultation?
You can contact Thomas O'Neal Sinclair 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. Trial
Cumberland School of Law of Samford University
- 1999
B.S. Commerce
University of Alabama
- 1995

Bar Admissions

Alabama
Admitted: 1999
U.S. District Court Middle, District of Alabama
Admitted: 1999
U.S. District Court, Northern District of Alabama
Admitted: 2000
U.S. District Court, Southern District of Alabama
Admitted: 2000
U.S. Court of Appeals, Eleventh Circuit
Admitted: 2003
U.S. District Court, Eastern District of Tennessee
Admitted: 2004
U.S. District Court, Northern District of Florida
Admitted: 2008
U.S. Court of Appeals, Sixth Circuit
Admitted: 2008
U.S. Court of Appeals, Fifth Circuit
Admitted: 2012
U.S. Court of Appeals, Second Circuit
Admitted: 2013
U.S. Supreme Court
Admitted: 2014

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