Atty. Matthew Thomas Heartney

Atty. Matthew Thomas Heartney

Matthew Thomas Heartney is a lawyer practicing complex litigation, product liability, environmental and 4 other areas of law. Matthew received a B.A. degree from Oberlin College in 1975, and has been licensed for 47 years.

Los Angeles Los Angeles 47 yrs experience 47 year
Call (424) 535-1423 Book Appointment

Profile Summary

About Matthew Thomas Heartney at a glance

Matthew Thomas Heartney is a Partner based in Los Angeles, California, practicing at Arnold & Porter LLP. They have 47+ years of legal experience, licensed to practice since 1979. Their practice focuses on product liability, litigation, consumer, and environmental. Admitted to practice in New York (1979) and California (1986). Educated at Yale Law School (J.D., 1978) and Oberlin College (B.A., 1975). Recognitions include AV Preeminent. Serands clients in Los Angeles, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Matthew Thomas Heartney is a lawyer practicing complex litigation, product liability, environmental and 4 other areas of law
  • Matthew received a B.A. degree from Oberlin College in 1975, and has been licensed for 47 years
  • Matthew practices at Arnold & Porter LLP in Los Angeles, CA

Practice Areas Explained

Matthew Thomas Heartney's Areas of Practice

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

Product Liability

Matthew Thomas Heartney is one of 66,193 product liability attorneys indexed nationally. Browse product liability attorneys in California →

Civil Litigation

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

Matthew Thomas Heartney is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in California →

Consumer Protection

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

Matthew Thomas Heartney is one of 50,607 consumer attorneys indexed nationally. Browse consumer attorneys in California →

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

Matthew Thomas Heartney is one of 56,434 environmental attorneys indexed nationally. Browse environmental 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 andnue, 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 Matthew Thomas Heartney

Where is Matthew Thomas Heartney's law office located?
Matthew Thomas Heartney's law practice is located in Los Angeles, California. The firm is Arnold & Porter LLP. You can contact the office directly through this profile page.
What practice areas does Matthew Thomas Heartney handle?
Matthew Thomas Heartney focuses on product liability, litigation, consumer, environmental. Each practice area listed reflects experience handling cases of that type in California.
How long has Matthew Thomas Heartney practiced law?
Matthew Thomas Heartney has 47+ years of legal experience and has been licensed since 1979.
Where did Matthew Thomas Heartney go to law school?
Matthew Thomas Heartney earned their education at (J.D., 1978); (B.A., 1975).
How can I contact Matthew Thomas Heartney for a consultation?
You can contact Matthew Thomas Heartney 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 Matthew Thomas Heartney received?
Matthew Thomas Heartney's notable recognition includes: AV Preeminent.

Education

J.D.
Yale Law School
- 1978
B.A.
Oberlin College
- 1975

Awards

AV Preeminent

Bar Admissions

New York
Admitted: 1979
California
Admitted: 1986

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