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Deandra Grant, JD, GC, MS

AV-rated attorney Deandra Grant is the Managing Partner of Deandra Grant Law’s 7 offices in Texas and is an international speaker on DWI law, science and trial skills.

A graduate of Trinity University in San Antonio with a degree in business (Finance) and Southern Methodist University’s School of Law, Grant went on to earn a Graduate Certificate in Forensic Toxicology from the University of Florida’s College of Veterinary Medicine and a Master’s Degree in Pharmaceutical Science - Concentration in Forensic Science from the University of Florida’s College of Pharmacy in 2016. In 2019 Grant joined the faculty at Axion Analytical Labs as an Assistant Chromatography Instructor. She has served on the faculty of the Borkenstein Drug Course since 2018.

Grant is the author of the annually updated book, The Texas DWI Manual (James Publishing), as well as 18 other law books available on Amazon. She has been trained as a Standardized Field Sobriety Testing Instructor and has completed the Drug Recognition Overview course. She was the first attorney in Texas to pass the Forensic Sobriety Assessment Certification exam. In addition, Grant has completed coursework in DWI forensic blood and urine testing and was trained as an operator and maintenance technician of the Intoxilyzer 5000. Deandra has certificates in Forensic Chromatography: Theory & Practice (2011 & 2015), Forensic Analysis of Solid Drugs (2014) and Forensic Principles of DUID (2015)issued by Axion Labs and the American Chemical Society. In 2015, Grant earned the distinction of being named an ACS-CHAL Forensic Lawyer-Scientist.

Grant is a member of the Texas Criminal Defense Lawyers Association (Board Member 2011-2016), the Dallas Bar Association, the Collin County Criminal Defense Lawyers Association, the Denton County Criminal Defense Lawyers Association, the Dallas Criminal Defense Lawyers Association (Board Member 2007-present, President 2022), the American Chemical Society, the American Academy of Forensic Sciences and the International Association of Forensic Toxicology Consultants. In addition, she is a Charter Member, President-Emeritus and Executive Director of the DUI Defense Lawyers Association.

D Magazine has named Grant to its list of Best Lawyers in Dallas since 2010. Fort Worth Magazine has named her a Top Lawyer in Fort Worth. She’s been named a “Texas Super Lawyer” since 2011 and one of Texas’ Top-Rated Lawyers. Best Lawyers in Dallas named her one of the Top 10 DWI Lawyers in Dallas.

On a personal note, Grant is the Vice President of Living the Doxie Dream Rescue & Sanctuary in Royse City, Texas. She devotes much of her time to fundraising efforts for their rescue dogs. She has been married to Eric Clendenin for over 20 years and is the proud mom of Keegan and Rowan.

Location
  • 3300 Oak Lawn, Suite 700
    Dallas, TX 75219
Demographics
  • Gender: Female
  • Ethnicity: White
Education
  • University of Florida, Masters Degree - Pharmaceutical Science, graduated 2016
  • Southern Methodist University, J.D., graduated 1993
  • Trinity University, B. S. Finance, graduated 1990
Bar Admissions
  • Texas, State Bar of Texas, 1993
Affiliations
  • DUI Defense Lawyers Association - Executive Director & Past President
  • International Association of Forensic Toxicology Consultants - Founding Member
  • Society of Toxicology - Member
  • American Chemical Society - Member
  • American Academy of Forensic Sciences - Member
  • NORML Legal Committee - Member
  • Ohio Association of Criminal Defense Lawyers - Member
  • South Carolina Association of Criminal Defense Lawyers - Member
  • Litigation Counsel of America - Fellow
  • Texas Criminal Defense Lawyers Association - Member & Past Board Member
  • Denton County Criminal Defense Lawyers Association - Member
  • Dallas Bar Association - Member
  • Collin County Criminal Defense Lawyers Association - Member
  • Dallas Criminal Defense Lawyers Association - Member & Past President
  • NACDL - Member
Court Admissions
  • US District Court, Northern District of Texas

Recognized in The Best Lawyers in America® 2026 for work in:
  • Criminal Defense: General Practice
Awards:
  • 2022, DUI Defense Lawyers Association Bad Ass Award 2022 DUIDLA Bad Ass Award

  • 2021 - Present, Modern Luxury Magazine's Power Players

  • 2022 - Present, Modern Luxury Magazine's Dynamic Women

  • 2010 - Present, D Magazine Best Lawyers in Texas

  • 2011 - Present, Texas Super Lawyers

Additional Areas of Practice:
  • DUI / DWI Defense
  • Criminal Defense: White-Collar

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