Criminal Defense
Houston, TX
Thiessen Law Firm is a Houston-based criminal defense and trial law practice led by Mark Thiessen, a Board Certified DWI Defense Specialist and Criminal Law attorney. The firm handles DWI/DUI cases, criminal defense, family law, personal injury, and civil trials with a focus on aggressive trial representation and achieving not guilty verdicts. Available 24/7, the firm combines scientific expertise in DWI testing with courtroom trial experience, backed by 127+ not guilty verdicts and recognition as a Texas Super Lawyer.
Ideal for: DWI/DUI defendants in Texas, those facing criminal charges, individuals needing Administrative License Revocation defense, clients seeking aggressive trial representation
Service area: Houston and all Texas counties, with focus on Harris County and surrounding areas
Board Certified DWI Specialist: Mark Thiessen is one of only three attorneys in Texas Board Certified in both DWI Defense by NCDD and Criminal Law by Texas Board of Legal Specialization, providing specialized expertise most firms cannot match.
Proven Trial Record: The firm maintains 127+ documented not guilty verdicts with detailed case outcomes showing aggressive pre-trial and trial strategies that result in dismissals, acquittals, and mistrials.
24/7 Client Access & Lawyer-Scientist Approach: Clients receive direct access to the entire legal team around the clock, and Mark Thiessen's recognition as an ACS CHAL Lawyer-Scientist ensures in-depth understanding of DWI testing science and technology.
Address: 733 E 12th 1/2 St, Houston, TX 77008
Phone: (936) 255-2782
Website: thetexastrialattorney.com
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