Munck Wilson Mandala

31 Best Lawyers awards

Munck Wilson Mandala logo

Awarded Practice Areas

Commercial Litigation Litigation - Intellectual Property

Biography

Jenny L. Martinez is the Managing Partner of MWM’s Dallas office and a member of MWM’s executive committee. Jenny represents both plaintiffs and defendants in business disputes involving banking, real estate, intellectual property, employment, fiduciary liability, and corporate governance. Notably, 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 SMU Women in Law.

Munck Wilson Mandala

31 Best Lawyers awards

Munck Wilson Mandala logo

Overview

  • Southern Methodist University, J.D., graduated 1999
  • Southern Methodist University, B.A. Political Science, graduated 1995

  • Texas, State Bar of Texas, 1999

  • U.S. District Court for the Southern District of Texas
  • U.S. District Court for the Eastern District of Texas
  • U.S. District Court for the Western District of Texas
  • U.S. District Court for the Northern District of Texas
  • U.S. Court of Appeals for the Fifth Circuit
  • Texas, State Bar of Texas, 1999
  • Southern Methodist University, J.D., graduated 1999
  • Southern Methodist University, B.A. Political Science, graduated 1995
  • U.S. District Court for the Southern District of Texas
  • U.S. District Court for the Eastern District of Texas
  • U.S. District Court for the Western District of Texas
  • U.S. District Court for the Northern District of Texas
  • U.S. Court of Appeals for the Fifth Circuit

Client Testimonials

Awards & Focus

Recognized in The Best Lawyers in America® 2026 for work in:
  • Commercial Litigation
  • Litigation - Intellectual Property
Additional Areas of Practice:
  • Banking and Finance Law
  • Bet-the-Company Litigation
  • Energy Law
  • Environmental Law
  • Litigation - Banking and Finance
  • Litigation - Construction
  • Litigation - Environmental
  • Litigation - Labor and Employment
  • Litigation - Patent
  • Litigation - Real Estate

Case History

Cases
  • Fortune 500 company litigation
Represented Fortune 500 company in litigation and arbitration involving environmental and complex contractual indemnity issues
  • Financial institution dispute
Represented financial institution in dispute involving breach of executive employment agreements, breach of nonsolicitation agreements, and the Texas Citizens Participation Act (anti-SLAPP laws)v
  • Arbitration for financial institution
Represented financial institution in arbitration involving software developer’s breach of contract to develop and customize loan origination software
  • Litigation for financial institution
Represented financial institutions in litigation involving breach of promissory notes, breach of guaranty agreements, fraud investigations and recoveries under financial institution bonds
  • Represented Halliburton in Deepwater Horizon case
Represented Halliburton in all civil investigations and litigation arising out of BP’s Macondo well blowout (Deepwater Horizon) in the Gulf of Mexico

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