Michael J. Mazzone


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Education and Clerkships

J.D., Suffolk University Law School, 1983

College of Arch. and Urban Planning, University of Michigan, 1978

B.S., Business Administration, University of South Carolina, 1977





North Dakota

Court Admissions

U.S. District Court for the Eastern District of Texas

U.S. District Court for the Northern District of Texas

U.S. District Court for the Southern District of Texas

U.S. District Court for the Western District of Texas


Michael J. Mazzone is an accomplished trial lawyer who has tried jury cases against prominent trial lawyers in Texas, Louisiana and New Mexico, and has handled cases pending in courts in North Dakota, Mississippi and Montana. Michael represents energy companies in environmental contamination, indemnity and toxic tort cases. He also represents parties in construction litigation/arbitration as well as real estate disputes.

Michael is Board Certified in Civil Trial Law by the Texas Board of Legal Specialization.

Ranked by Chambers USA, Chambers & Partners, as a leading lawyer in Environment Law in Texas (2015-2016), clients describe Michael as “practical, knowledgeable and down-to-earth. He doesn't overreact, and he takes a very reasoned approach to everything…he is the epitome of a good litigator; he doesn't depend on fireworks, he just gets up and does a good job."

Michael has made presentations on trial advocacy, arbitration and litigation at oil and gas industry conferences, bar association seminars, the Texas Environmental Superconference and the University of Texas Law School.

As an arbitrator, Michael is a member of the American Arbitration Association's National Panel of Construction Arbitrators where he is regularly called on to preside over numerous arbitration matters and has been a speaker at the AAA's National and Regional Panel Retreats, seminars providing training to AAA arbitrators.

For five years, Michael taught in the trial advocacy program at the University of Houston Law School as an adjunct professor of law, and he has served on the Editorial Board of the Houston Lawyer magazine, a publication of the Houston Bar Association. He oversees the Firm’s Volunteer Prosecutors Program in which lawyers in the Firm try misdemeanor jury trials for the cities of Houston and Arlington.

Client Focus

Haynes and Boone Team Successfully Sells Prison Investment

Haynes and Boone Team Successfully Sells Prison Investment

A large interdepartmental Haynes and Boone team achieved an extraordinary result in a unique transactional matter that started with a prison riot in a private prison in Willacy County, Texas, in February of 2015.


Best Lawyers

Haynes and Boone Featured in Best Lawyers in America 2017

Best Lawyers in America, an annual referral guide listing outstanding lawyers throughout the U.S., has recognized 108 Haynes and Boone lawyers across more than 50 practice areas in the 2017 edition.

Published by Woodward/White, Inc., August 2017


Haynes and Boone Wins Appellate Ruling for Aruba Petroleum

Aruba Petroleum Wins Appellate Ruling in Closely-Watched Nuisance Case

In Parr v. Aruba, a case that has been closely followed by the oil and gas community, a Texas court of appeals on February 1 reversed a $2.9 million judgment against Aruba Petroleum Inc., holding that the plaintiffs failed to establish that the company’s natural gas operations constituted an intentional nuisance.

Professional and Community Activities

  • American Arbitration Association
  • Louisiana State Bar Association
  • Houston Bar Association
  • State Bar of North Dakota
  • State Bar of Texas
  • Texas Oil & Gas Association


Professional Recognition

  • Recognized by Chambers USA, Chambers & Partners, as a leading lawyer for Environment (Texas), 2015-2016
  • Recognized in The Best Lawyers in America, Woodward/White, Inc., in Commercial Litigation, 2015-2017
  • Recognized in Texas Super Lawyers, Thomson Reuters, for Civil Litigation Defense, 2009-2016; Environmental Litigation; Construction Litigation, 2015-2016
  • Martindale Hubbell® Law Directory with a Peer Review Rating of AV® Preeminent™

Selected Publications and Speeches

  • “Client Selection and Control,” Presenter, 6th Annual Advanced Trial Strategies Course hosted by the State Bar of Texas, February 9, 2017.
  • “Trying Oil & Gas Nuisance Cases Amid the Hysteria Over Fracking,” Presenter, 15th Energy Litigation Conference hosted by the Center for American and International Law, Houston, Texas, November 3, 2016.
  • "Letters of Intent," Speaker, Client Presentation, Houston, Texas, October 24, 2016.
  • "Nuisance is a Legal Injury, Not a Cause of Action - A Waltz Across Texas Nuisance Law," co-author, Lexology, July 22, 2016.
  • "Thinking Fundamentally about Judicial Review -- A Book Review," author, Judicature magazine, Summer 2016.
  • "Litigation Trends," panelist, Water Acquisition and Management for Oil & Gas Development: Legal and Regulatory Requirements, Houston, Texas, April 7, 2016.
  • "Hot Topics in Nuisance," presentation to XTO Energy Law Department, Fort Worth, Texas, December 1, 2015.
  • "The Energy Sectors Environmental Challenges," panelist, 5th Annual Compliance and Ethics Summit, Noble Energy, Inc., Houston, Texas, November 19-20, 2014.
  • "Differing Results in Recent Nuisance Cases Against Oil and Gas Operators," co-author, Texas Lawyer, September 4, 2014.
  • “What is Going on Down There? Hydraulic Fracturing Issues,” panelist, 32nd Annual Water Law Conference, Las Vegas, Nevada, June 4, 2014.
  • “Technology and In-House Counsel,” conference co-chair, Corporate Counsel Institute, Suffolk University Law School, Boston, Massachusetts, October 4, 2013.
  • “Comparative Law Forum,” speaker, Shell Global Litigation Conference, New Orleans, Louisiana, September 19, 2013.
  • “Potential Obstacles to Natural Gas Development,” program co-developer and moderator, The General Counsel Forum, Houston Chapter 2nd Quarterly Event, Houston, Texas, April 17, 2013.
  • "American Law and Jurisprudence on Fracing," co-presenter with Andy Weissman, United States Energy Association Policy Series, Membership Briefing, Washington, D.C., January 30, 2013.
  • "In-House from the Inside," conference co-chair, Corporate Counsel Institute, Suffolk University Law School, Boston, Massachusetts, September 14, 2012.
  • "Too Much at Stake to Shut Down Fracing," Oil & Gas Financial Journal, August 10, 2012.
  • "Hydraulic Fracturing Litigation," 58th Annual Rocky Mountain Mineral Law Institute, July 19-21, 2012, Newport Beach, California.
  • "Non-Technical Risks in Projects and Other Developments," program developer and moderator, The General Counsel Forum, Houston Chapter 3rd Quarterly Event, June 20, 2012, Houston, Texas.
  • "An Analysis of Fracking Developments," panelist, Haynes and Boone Webinar, March 8, 2012.
  • "Changing Times Bring Conflict With Surface Owners," The American Oil and Gas Reporter, December 6, 2011.
  • "Recent Litigation Related to Oil and Gas Drilling," Better Than Barnett: New Developments in the Legal and Regulatory Issues in the Eagle Ford Shale, October 18, 2011, Houston, Texas.
  • "Oilfield Litigation: 'How the Grinch Stole Christmas,'" 23rd Annual Texas Environmental Superconference, August 4-5, 2011, Austin, Texas.
  • "American Law and Jurisprudence on Fracing," with Thomas Kurth, Mary Mendoza, and Christopher Kulander, Rocky Mountain Mineral Law Foundation Journal,Vol. 47, No. 2, 2010.
  • "Hydraulic Fracturing – The Legal Issues," Texas Environmental Law Journal’s First Annual Symposium: The Legal and Environmental Impacts of Extracting Gas from Shale, October 29, 2010, Austin, Texas.
  • "Hydraulic Fracturing - The Legal Issues," 3rd Annual Unconventional Gas International Conference, October 5-7, 2010, Fort Worth, Texas.
  • "Current Operating Regulations and Future Trends," ALM’s 9th Annual Gas Shales Summit, June 2-3, 2010, Houston, Texas.
  • "Assessing the Claims Asserted in the Global Warming Debate," presented to the Emerson Unitarian Universalist Church, January 10, 2010.

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