Munck Wilson Mandala

Jenny Martinez

Co-Chair, Litigation
(972) 628-3623

Top-Rated Trial Attorney and Leader

Recognized as a Lawdragon 500 Leading Lawyer in America, a Best Lawyer in America©, a Texas Super Lawyer, and a Best Lawyer by D Magazine, Jenny is the co-chair of MWM’s litigation section and a member of the firm’s executive committee.

Trailblazer in Women’s Empowerment Initiatives

Jenny has been identified in the legal industry as a gamechanger, helping MWM increase the number of female and minority attorneys and advocating on behalf of women in the legal industry.

Frequent Presenter on Leadership Initiatives

As a mother of four with a highly successful legal career, Jenny is often invited to speak at bar functions, women’s empowerment conferences, and podcasts on ways that leaders can build more supportive cultures for primary caregivers in the legal industry.

Jenny Martinez is a member of MWM’s executive committee and she co-chairs MWM’s complex litigation/dispute resolution section. Jenny is a trial attorney who represents both plaintiffs and defendants in business disputes involving trade secrets, intellectual property, employment disputes, contracts and collections. She regularly works alongside MWM’s patent, copyright, privacy and data protection, employment, antitrust, and trademark colleagues to provide clients with extremely specialized advice in new tech development.

Jenny was a key member of the legal team defending Halliburton in connection with all civil litigation and investigations arising out of BP’s Macondo well (Deepwater Horizon) blowout in the Gulf of Mexico — the largest environmental lawsuit in the history of the United States. Reflecting the excellence of her legal practice, she has been named to the Lawdragon 500 Leading Lawyers in America, recognized by D Magazine among “The Best Lawyers in Dallas,” a repeated choice by Thomson Reuters to the list of Texas Super Lawyers and has received a 10.0 rating by AVVO, its highest attorney rating.

Jenny received her J.D., cum laude, from Southern Methodist University Dedman School of Law in 1999, along with her B.A., magna cum laude, in political science in 1995. While at SMU, she was a member of Phi Beta Kappa and was the publicity chairman of the Political Science Symposium. She was also chief counsel at the SMU Legal Clinic, a research assistant to Professor Ellen Smith Pryor, law school director for Texas Women Lawyers and the treasurer of the SMU Women in Law.

Representative Matters

  • Representing international pharmaceutical company in complex lawsuit asserting claims for patent infringement, breach of contract, misappropriation of trade secrets, trade dress infringement, and unfair competition. The case has involved two separate cases filed in California and Texas against over 20 defendants. Obtained dismissal of several key causes of action based on personal jurisdiction, preemption, and other grounds under FRCP 12(b(6) and repeatedly obtained favorable discovery rulings that have put the case in a strong position to obtain summary judgment in the coming months. The plaintiff seeks over $200 million and is set for trial in November 2023;
  • Represented Halliburton in all civil investigations and litigation arising out of BP’s Macondo well blowout (Deepwater Horizon) in the Gulf of Mexico;
  • Represented financial institutions in litigation involving breach of promissory notes, breach of guaranty agreements, fraud investigations and recoveries under financial institution bonds;
  • Represented financial institution in arbitration involving software developer’s breach of contract to develop and customize loan origination software;
  • Represented international manufacturing and technology company in class action litigation involving allegations of breach of warranty and consumer fraud;
  • Represented international life insurance and pension company in class action litigation involving allegations of consumer fraud;


Southern Methodist University Dedman School of Law, 1999
Juris Doctorate
Honors: Cum Laude
Southern Methodist University, 1995
B.A. Political Science
Honors: Magna Cum Laude

Associations & Memberships

American Bar Association

Dallas Association of Young Lawyers

Dallas Bar Association

State Bar of Texas, 1999

Honors & Awards

Women, Influence, & Power Awards, DEI Champion,

Best Lawyers in America, Woodward White, Inc.

Lawdragon 500 Leading Lawyers in America

Texas Super Lawyers, Thomson Reuters

The Best Lawyers in Dallas, D Magazine
2012, 2014, 2017, 2019-2021

Bar Admissions

Texas, 1999

U.S. Court of Appeals, Fifth Circuit

U.S. District Court, Northen District of Texas

U.S. District Court, Southern District of Texas

U.S. District Court, Western District of Texas

U.S. District Court, Eastern District of Texas


Focus Areas

Commercial Litigation

Consumer Litigation

Employment Litigation

Government Investigations

Patent Litigation

Trade Secret Litigation