Atty. John Conner Heintz

Atty. John Conner Heintz

John Conner Heintz is a lawyer practicing air quality and climate change, energy and infrastructure project siting and defense, environmental litigation and 2 other areas of law. John received a B.A. degree from University of Notre Dame in 2002, and has been licensed for 18 years.

Los Angeles Los Angeles 18 yrs experience 18 year
Call (628) 243-4845 Book Appointment

Profile Summary

About John Conner Heintz at a glance

John Conner Heintz is an Associate based in Los Angeles, California, practicing at Latham & Watkins LLP. They have 18+ years of legal experience, licensed to practice since 2008. Their practice focuses on litigation, environmental, and energy. Admitted to practice in California (2008). Educated at The University of Texas School of Law (J.D., 2008) and University of Notre Dame (B.A., 2002). Serands clients in Los Angeles, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Conner Heintz is a lawyer practicing air quality and climate change, energy and infrastructure project siting and defense, environmental litigation and 2 other areas of law
  • John received a B.A. degree from University of Notre Dame in 2002, and has been licensed for 18 years
  • John practices at Latham & Watkins LLP in Los Angeles, CA

Practice Areas Explained

John Conner Heintz's Areas of Practice

Each practice area below reflects the types of cases John Conner Heintz handles, with a brief overview of what that area of law covers.

Civil Litigation

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

John Conner Heintz is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in California →

Environmental Law

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

John Conner Heintz is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in California →

Energy & Utilities Law

Energy attorneys for oil & gas, renewables, utility regulation, and energy sector transactions.

John Conner Heintz is one of 36,230 energy attorneys indexed nationally. Browse energy 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 John Conner Heintz

Where is John Conner Heintz's law office located?
John Conner Heintz's law practice is located in Los Angeles, California. The firm is Latham & Watkins LLP. You can contact the office directly through this profile page.
What practice areas does John Conner Heintz handle?
John Conner Heintz focuses on litigation, environmental, energy. Each practice area listed reflects experience handling cases of that type in California.
How long has John Conner Heintz practiced law?
John Conner Heintz has 18+ years of legal experience and has been licensed since 2008.
Where did John Conner Heintz go to law school?
John Conner Heintz earned their education at (J.D., 2008); (B.A., 2002).
How can I contact John Conner Heintz for a consultation?
You can contact John Conner Heintz 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.
The University of Texas School of Law
- 2008
B.A.
University of Notre Dame
- 2002

Bar Admissions

California
Admitted: 2008

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