Cameron County Hidalgo County
Melissa Osio Martinez
Gault, Nye & Quintana, L.L.P.
Mailing Address:
P.O. Box 6737
McAllen, TX 78502

Physical Address:
4900 N. 10th Street, Suite A1
McAllen, TX 78504
Telephone: (956) 618-0628
Fax:           (956) 618-0670


Melissa Osio Martinez, Partner

Melissa Osio Martinez was born in Bryan, Texas, and raised in the Rio Grande Valley. She graduated from Edinburg High School and continued her education at Texas A&M University with a Bachelor's of Arts Degree in Communications and Political Science. Melissa went on to attend Texas Southern University School of Law where she graduated and interned for the First Court of Appeals in Houston. She was admitted to the State Bar of Texas in 2000 and began her legal career at a private law firm under the guidance of Justice Dori Contreras Garza. Afterwards, she became an Assistant District Attorney for Hidalgo County and prosecuted numerous misdemeanor and felony cases in both county and districts courts throughout her tenure. In 2005, Melissa was admitted to the State Bar of California where she practiced entertainment and criminal law. After returning home to the Rio Grande Valley, Melissa practiced as In-House Counsel for large insurance corporations for more than ten years. Her distinctions include Rookie of the Year, Best Trial Win Percentage and Best Disposition Ratio in the State of Texas, as well as, Best Disposition Ratio in the Nation. After her time as Corporate Defense Counsel, Melissa gained significant experience representing health care individuals and entities in health care liability and medical malpractice claims. She has also successfully defended against wrongful death claims, premises liability claims, DTPA and other business related transactional claims. Over the years, Melissa has aggressively defended and resolved hundreds of cases through both negotiated settlements and trials to jury verdicts.

As for her personal life, Melissa is a married mother of two children. She has faithfully served her community for many years in organizations such a Junior League of McAllen, Beta Sigma Phi - Alpha Epsilon Chapter and committees benefiting both Make-A-Wish and the American Cancer Society. She has also been an active member of the Hidalgo County Bar Association, the Hidalgo County Women's Bar Association, Texas Young Lawyer's Association and Texas Trial Lawyer's Association. Additionally, she has earned admission into the Texas Bar College, an honorary society of lawyers committed to excellence in the legal professional.

  • J.D., Texas Southern University, 1999
  • B.A., Texas A&M University, 1997
Professional Licenses
  • State Bar of Texas, 2000
  • State Bar of California, 2005
  • U.S. District Court, Central District of California
  • U.S. District Court, Southern District of Texas
Professional Associations
  • Texas Bar College
  • Hidalgo County Bar Association
  • Hidalgo County Women's Bar Association
  • Texas Young Lawyer's Association
  • Texas Trial Lawyer's Association
  • Texas Association of Defense Counsel
  • Defense Research Institute (DRI)
Areas of Practice
  • General Litigation
  • Wrongful Death
  • Health Care
  • Medical Malpractice
  • Premises Liability
  • Commercial Litigation
  • Professional Injury
  • Real Estate Litigation

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