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"Deandra Grant Law fights hard for their clients and is always willing to go above and beyond. They are the best firm for DWI cases in DFW and beyond. Definitely hire them to represent you in any pending cases."
- P. Williams

"Deandra Grant made a tough situation so much better. She listened to my concerns and helped me so much with my case. I would recommend her to anyone needing legal services."
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"Deandra Grant Law handled my case with diligence and professionalism. Deandra Grant's reputation is stellar and now I know why. She has a team of individuals who provide quality service."
- N. Coulter
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Collin County Criminal Courts Guide
By Attorney Deandra Grant
If you’re facing a criminal charge in Collin County, understanding how the local courts work can make the process far less confusing. This guide explains where cases are heard, what each court handles, and what you can expect as your case moves through the system.
Read NowMelissa DWI Lawyers
A DWI arrest in Melissa triggers two simultaneous legal proceedings: a criminal case and an administrative license suspension case through DPS. Melissa’s location along Highway 75 in northern Collin County makes it a frequent DWI enforcement corridor, with both Melissa Police Department and Collin County Sheriff’s deputies conducting traffic stops along the highway and surrounding roads.
At Deandra Grant Law, DWI defense is where our firm was built. Our attorneys hold ACS-CHAL Forensic Lawyer-Scientist designations which is advanced forensic science training that allows us to challenge the prosecution’s evidence at the scientific level.
In addition, Deandra Grant literally “wrote the book” on DWI defense in Texas: The Texas DWI Manual
Why the Science Behind Your DWI Matters
- Blood testing: GC-FID methodology, coelution, contamination, in vitro fermentation, improper blood draws
- Breath testing: Partition ratio variability, mouth alcohol, medical conditions, Intoxilyzer 9000 limitations
- Field sobriety tests: NHTSA protocol challenges
- Retrograde extrapolation: Challenging the prosecution’s BAC math
DWI Penalties in Texas
- First offense (Class B): 72 hours–180 days jail, up to $2,000 fine, license suspension
- BAC 0.15+ (Class A): Up to 1 year jail, $4,000 fine, mandatory interlock, permanent conviction
- Second offense: 30 days–1 year jail, $4,000 fine, 2-year suspension
- Third offense (felony): 2–10 years prison, $10,000 fine
The 15-Day ALR Deadline
Critical: You have only 15 days from the date you were served notice of suspension to request a hearing to challenge your license suspension. Contact us immediately.
Defend Your DWI Case with Science — Contact Us Today
If you have been arrested for DWI in Melissa or anywhere in Collin County, contact Deandra Grant Law for a free, confidential consultation. We have the scientific training to challenge the prosecution’s breath tests, blood tests, and field sobriety tests at a level most defense attorneys cannot match.
Call (214) 225-7117 or schedule an appointment online at texasdwisite.com.
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Client Reviews
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“Deandra Grant Law – Criminal & DWI Defense handled my case with diligence and professionalism. Deandra Grant’s reputation is stellar and now I know why. She has a team of individuals who provide quality service.”
N. Coulter

(214) 225-7117
Experienced DWI Defense
