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Your Trusted DWI Defense Attorneys in North Texas
The Coffey Firm is a distinguished criminal defense practice specializing in DWI defense, assault cases, and expunctions. With over 29 years of experience, the firm is led by Mimi Coffey, a board-certified DWI defense attorney by the National College of DUI Defense (NCDD), who has tried over 400 DWI cases with high success rates. The firm emphasizes compassion, honesty, and expertise, offering personalized legal strategies tailored to each client's unique circumstances. Mimi Coffey, a nationally recognized trial attorney and author of multiple DWI defense textbooks, brings specialized knowledge in forensic challenges, breath and blood testing, and legislative advocacy.

The team includes seasoned attorneys Andrew Morris, Cindy Stormer, and Geoffrey Reynolds, who collectively provide comprehensive legal support across the Dallas-Fort Worth Metroplex and surrounding areas. The firm prioritizes client education, transparent communication, and aggressive defense tactics to protect clients' rights and futures.
Services
DWI Defense Assault Defense Expunctions Non-Disclosure Possession Charges Probation Revocation Theft Defense
Highlights and features
  • We are board-certified in DWI defense by NCDD.
  • 29+ years of experience with 400+ trials and high success rates.
  • Our team specializes in forensic challenges to breath and blood tests.
  • We offer 24/7 availability for urgent legal needs.
  • We prioritize personalized strategies to avoid criminal records and probation.
Associations and certifications
  • National College of DUI Defense (NCDD)
What people say
Complete success Kept me relaxed Super happy Best possible outcome Highly recommend
Services
DWI Defense
The Coffey Firm specializes in defending clients against DWI charges in Texas, leveraging over 29 years of experience and board-certified expertise. Our attorneys challenge forensic evidence, breath/blood test accuracy, and procedural errors to reduce or dismiss charges. We focus on protecting clients' licenses, employment, and futures through trial-proven strategies and personalized legal representation.
Assault Defense
Our team defends against assault charges ranging from simple to aggravated offenses, including family violence cases. We analyze evidence, challenge witness credibility, and negotiate plea deals or trial outcomes to minimize jail time, fines, and long-term legal consequences for clients across North Texas.
Expunctions
The firm assists clients in legally erasing DWI arrests or convictions from their records through expunctions or non-disclosure orders. We handle court filings, hearings, and compliance requirements to restore clients' ability to deny past arrests during employment or licensing processes.
Probation Revocation
We represent clients facing DWI probation violations, working to reinstate probation terms or negotiate alternative sentencing. Our strategies focus on demonstrating compliance, mitigating circumstances, and preserving clients' freedom and professional licenses.
Possession Charges
The Coffey Firm defends against drug and firearm possession charges, challenging illegal searches, chain-of-custody issues, and lab errors. We aim to reduce penalties, secure dismissals, or negotiate diversion programs for first-time offenders in Texas courts.
People
Mimi Coffey
Lead Attorney
Board-certified DWI defense attorney with 29+ years of experience, author of Texas DWI Defense textbooks, and nationally recognized trial lawyer. Specializes in forensic challenges, legislative advocacy, and high-stakes criminal defense cases across Texas.
Andrew Morris
Senior Attorney
Experienced criminal defense lawyer focusing on DWI trials, assault cases, and probation violations. Provides strategic courtroom representation and client-centered solutions for complex legal matters in North Texas.
Cindy Stormer
Associate Attorney
Dedicated defense attorney handling DWI, possession charges, and expunctions. Prioritizes client communication and thorough case analysis to achieve favorable outcomes in state and federal courts.
Geoffrey Reynolds
Associate Attorney
Skilled litigator specializing in DWI defense, assault cases, and forensic evidence challenges. Advocates for clients' rights through aggressive courtroom representation and innovative legal strategies.
Questions
Can I fight a DWI charge in Texas?
Yes. DWI cases often involve forensic challenges to breath/blood tests, procedural errors, or legal defenses. Our board-certified attorneys specialize in identifying weaknesses in prosecution evidence.
What are the penalties for a first-time DWI in Texas?
First-time DWI penalties include fines up to $2,000, 3-180 days in jail, license suspension, and ignition interlock device requirements. Enhanced penalties apply for BAC ≥0.15.
How can I get a DWI dismissed?
Dismissals may result from suppressed evidence, failed breath/blood tests, or procedural violations. Our attorneys leverage forensic expertise and trial experience to challenge DWI charges aggressively.
Can I get off DWI probation early?
Early release from DWI probation is possible in limited circumstances, particularly for deferred adjudication cases. Judicial discretion and probation compliance significantly impact outcomes.
Does The Coffey Firm handle out-of-county cases?
Yes. We represent clients across the Dallas-Fort Worth Metroplex, including Tarrant, Dallas, Denton, Collin, and surrounding counties for DWI and criminal defense matters.
What payment options are available?
We offer flexible financing plans, including low down payment options, to ensure access to quality legal representation for all clients facing criminal charges.