Atty. Thomas Jay Leanse

Atty. Thomas Jay Leanse

Thomas Jay Leanse is a lawyer practicing appellate litigation, bankruptcy and creditors' rights, litigation and dispute resolution and 5 other areas of law. Thomas received a B.A. degree from University of California, San Diego in 1975, and has been licensed for 48 years.

Los Angeles Los Angeles 48 Years Experience 48 year
Call (213) 603-9903

Profile Summary

About Thomas Jay Leanse at a glance

Thomas Jay Leanse is an Attorney based in Los Angeles, California, practicing at Katten Muchin Rosenman LLP. They have 48+ years of legal experience, licensed to practice since 1978. Their practice focuses on real estate, bankruptcy, estate litigation, litigation, and appellate. Admitted to practice in California (1978) and Illinois U.S. Court of Appeals, Seventh Circuit U.S. Court of Appeals, Ninth Circuit U.S. District C (1979). Educated at University of San Diego School of Law (J.D., 1978) and University of California, San Diego (B.A., 1975). Recognitions include AV Preeminent. Active member of American Bar Association California Business Properties Association International Council of Shopping Centers Los Angeles County Bar Association. Serves clients in Los Angeles, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Thomas Jay Leanse is a lawyer practicing appellate litigation, bankruptcy and creditors' rights, litigation and dispute resolution and 5 other areas of law
  • Thomas received a B.A. degree from University of California, San Diego in 1975, and has been licensed for 48 years
  • Thomas practices at Katten Muchin Rosenman LLP in Los Angeles, CA

Practice Areas Explained

Thomas Jay Leanse's Areas of Practice

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

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

Thomas Jay Leanse is one of 286,061 real estate attorneys indexed nationally. Browse real estate attorneys in California →

Bankruptcy & Debt

A bankruptcy attorney can help you eliminate debt, stop creditor harassment, and protect your home through Chapter 7 or Chapter 13.

Thomas Jay Leanse is one of 95,723 bankruptcy attorneys indexed nationally. Browse bankruptcy attorneys in California →

Estate & Trust Litigation

Thomas Jay Leanse is one of 18,366 estate litigation attorneys indexed nationally. Browse estate litigation attorneys in California →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Thomas Jay Leanse is one of 409,070 litigation attorneys indexed nationally. Browse litigation attorneys in California →

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

Thomas Jay Leanse is one of 77,587 appellate attorneys indexed nationally. Browse appellate attorneys in California →

Jurisdictional Context

Why local counsel matters in California

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

Looking for additional California attorneys? Browse all attorneys in Los Angeles or all attorneys in California.

Frequently Asked

Common questions about Thomas Jay Leanse

Where is Thomas Jay Leanse's law office located?
Thomas Jay Leanse's law practice is located in Los Angeles, California. The firm is Katten Muchin Rosenman LLP. You can contact the office directly through this profile page.
What practice areas does Thomas Jay Leanse handle?
Thomas Jay Leanse focuses on real estate, bankruptcy, estate litigation, litigation, appellate. Each practice area listed reflects experience handling cases of that type in California.
How long has Thomas Jay Leanse practiced law?
Thomas Jay Leanse has 48+ years of legal experience and has been licensed since 1978.
Where did Thomas Jay Leanse go to law school?
Thomas Jay Leanse earned their education at (J.D., 1978); (B.A., 1975).
How can I contact Thomas Jay Leanse for a consultation?
You can contact Thomas Jay Leanse 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 Jay Leanse received?
Thomas Jay Leanse's notable recognition includes: AV Preeminent.

Education

J.D.
University of San Diego School of Law
- 1978
B.A.
University of California, San Diego
- 1975

Awards

AV Preeminent

Bar Admissions

California
Admitted: 1978
Illinois U.S. Court of Appeals, Seventh Circuit U.S. Court of Appeals, Ninth Circuit U.S. District C
Admitted: 1979

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