Atty. Thomas James Callahan

Atty. Thomas James Callahan

Thomas James Callahan is a lawyer practicing securities & investment fraud, tax, corporate transactions & securities. Thomas received a B.S. degree from Duke University in 1979, and has been licensed for 41 years.

Cleveland Cleveland 41 Years Experience 41 year
Call (440) 568-5691

Profile Summary

About Thomas James Callahan at a glance

Thomas James Callahan is a Group Leader, Tax based in Cleveland, Ohio, practicing at Thompson Hine LLP. They have 41+ years of legal experience, licensed to practice since 1985. Their practice focuses on business, tax, securities, and consumer. Admitted to practice in Ohio U.S. Supreme Court U.S. Court of Appeals for the Federal Circuit U.S. Court of Appeals, Sixth C (1985), U.S. District Court, Northern District of Ohio (1985), and U.S. Tax Court and U.S. Court of Federal Claims (1987). Educated at Case Western Reserve University School of Law (J.D., 1985) and Duke University (B.S., 1979). Recognitions include AV Preeminent. Serves clients in Cleveland, OH and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Thomas James Callahan is a lawyer practicing securities & investment fraud, tax, corporate transactions & securities
  • Thomas received a B.S. degree from Duke University in 1979, and has been licensed for 41 years
  • Thomas practices at Thompson Hine LLP in Cleveland, OH

Practice Areas Explained

Thomas James Callahan's Areas of Practice

Each practice area below reflects the types of cases Thomas James Callahan handles, with a brief overview of what that area of law covers.

Business & Corporate Law

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

Thomas James Callahan is one of 452,854 business attorneys indexed nationally. Browse business attorneys in Ohio →

Tax Law

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

Thomas James Callahan is one of 77,130 tax attorneys indexed nationally. Browse tax attorneys in Ohio →

Securities Law

Thomas James Callahan is one of 58,852 securities attorneys indexed nationally. Browse securities attorneys in Ohio →

Consumer Protection

Consumer protection attorneys for fraud, lemon law, debt harassment, and deceptive trade practices.

Thomas James Callahan is one of 45,538 consumer attorneys indexed nationally. Browse consumer attorneys in Ohio →

Jurisdictional Context

Why local counsel matters in Ohio

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

Looking for additional Ohio attorneys? Browse all attorneys in Cleveland or all attorneys in Ohio.

Frequently Asked

Common questions about Thomas James Callahan

Where is Thomas James Callahan's law office located?
Thomas James Callahan's law practice is located in Cleveland, Ohio. The firm is Thompson Hine LLP. You can contact the office directly through this profile page.
What practice areas does Thomas James Callahan handle?
Thomas James Callahan focuses on business, tax, securities, consumer. Each practice area listed reflects experience handling cases of that type in Ohio.
How long has Thomas James Callahan practiced law?
Thomas James Callahan has 41+ years of legal experience and has been licensed since 1985.
Where did Thomas James Callahan go to law school?
Thomas James Callahan earned their education at (J.D., 1985); (B.S., 1979).
How can I contact Thomas James Callahan for a consultation?
You can contact Thomas James Callahan 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.
What awards or recognition has Thomas James Callahan received?
Thomas James Callahan's notable recognition includes: AV Preeminent.

Education

J.D.
Case Western Reserve University School of Law
- 1985
B.S.
Duke University
- 1979

Awards

AV Preeminent

Bar Admissions

Ohio U.S. Supreme Court U.S. Court of Appeals for the Federal Circuit U.S. Court of Appeals, Sixth C
Admitted: 1985
U.S. District Court, Northern District of Ohio
Admitted: 1985
U.S. Tax Court and U.S. Court of Federal Claims
Admitted: 1987

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