Denver DUI Lawyers — DUI and DWAI Defense in Denver County
A DUI arrest in Denver sets two legal processes in motion simultaneously — a criminal case in Denver County District Court and a civil license revocation proceeding with the Colorado Department of Revenue. Both require immediate action. Denver’s entertainment density — Coors Field, Ball Arena, Empower Field at Mile High, the RiNo Arts District, LoDo, Colfax, South Broadway, and dozens of Denver’s celebrated neighborhoods — generates consistent DUI enforcement by Denver Police, particularly on weekends and around major events. Denver also sits at the intersection of I-25 and I-70, with Colorado State Patrol conducting highway DUI enforcement on major corridors through the city. Burnham Law’s Denver DUI attorneys defend both proceedings from the moment of arrest.
Meet our Denver criminal defense team below — attorneys experienced in DUI and DWAI defense throughout Denver County District Court.
Jeremy Wooten, is a seasoned trial attorney who specializes in criminal defense and family law, leveraging a wealth of experience honed over five years at the Colorado State Public Defenders’ Office. Rising to Senior Deputy Public Defender, he successfully managed a diverse caseload, including serious charges like first-degree homicide, drug distribution, and economic crimes, always maintaining an unwavering commitment to client advocacy. Licensed in both Texas and Colorado, Jeremy's legal expertise is defined by strategic planning—meticulously crafting and executing well-thought-out trial strategies—and remarkable resourcefulness in finding innovative solutions to complex legal challenges in both the criminal and family law arenas. His practice is characterized by agile, client-centered advocacy, which relies on adaptability, active listening, and quick thinking essential for effective trial work. Jeremy prioritizes thoroughly understanding his clients' objectives and adapting his strategies dynamically to the evolving nature of trials. His resilience and strategic agility allow him to confidently navigate unexpected developments in the courtroom, ensuring each case is expertly...
Julian Rosielle has been licensed to practice law in Colorado since 2006. Julian is a graduate of the University of Colorado School of Law, where he was on the Dean’s List and an associate editor of the University of Colorado Law Review. Julian practiced exclusively in the area of criminal law for the first thirteen years of his career and has several notable case outcomes to include not guilty verdicts on charges of homicide and assault. Julian has extensive trial experience, ranging from Death Penalty cases to misdemeanor domestic violence to driving under the influence. Beginning in 2019, Julian’s practice has expanded to include domestic relations litigation and civil protection orders. Julian has lived in Colorado since 2004 and when not in Court enjoys hiking with his family and dogs.
Kate strives to have a client-oriented practice where she can assist her clients in all stages of litigation. Prior to joining Burnham, Kate was an associate at an AmLaw Firm where she worked on various types of complex litigation representing large corporations, municipalities, and individuals. Before going into private practice, Kate was an Assistant Public Defender in Miami-Dade County where she tried over twenty cases. Kate has been able to develop a well-rounded practice by working in both the private and public sectors. Kate has honed her skill sets from her prior experience so she can be a zealous advocate for her clients. In her spare time, Kate enjoys spending time with her husband in the outdoors, traveling, and visiting family.
Miguel C. Mondragon is a tenacious and dedicated attorney who is fiercely committed to his clients and their legal outcomes. Recognizing that clients facing divorce or criminal charges are often in their most vulnerable state, Miguel acts as a passionate advocate, ensuring they have a voice within the legal system. Growing up in southern Colorado, Miguel developed a strong work ethic by working in construction, lumber, and brickyards while attending college. Before becoming an attorney, his interest in law was sparked by his work within the Larimer County Corrections system. While attending the University of South Dakota School of Law, he gained valuable experience working with East River Legal Services, the Colorado State Public Defenders Office, and Samuelson Law. Upon graduation, Miguel honed his skills first as a solo practitioner, then at Weaver & Associates, P.C., before founding Mondragon Law, where he specialized in criminal defense and family law. He brings this deep experience and tenacity to his current role...
DUI Law in Colorado
Colorado distinguishes between DUI — substantial impairment of the ability to safely operate a vehicle — and DWAI, which requires impairment to the slightest degree. A BAC of 0.08 or above creates a legal presumption of DUI. A BAC between 0.05 and 0.08 can support DWAI. Colorado also has a per se THC blood concentration threshold of 5 nanograms per milliliter for marijuana-impaired driving — relevant in Denver where cannabis consumption is culturally embedded and cannabis dispensaries are ubiquitous. Colorado’s expressed consent law requires chemical testing following a lawful DUI arrest; refusal triggers automatic license revocation and can be used as consciousness of guilt evidence.
Denver’s elevation — approximately 5,280 feet — is the most commonly cited Colorado altitude defense issue in DUI cases, and it is a litigable factor in Denver DUI defense. Alcohol affects the body differently at altitude, and HGN field sobriety test administration and interpretation must account for altitude-related physiological effects. The scientific and legal foundation for altitude-based DUI defense arguments has been developed in Denver cases specifically, making it a more established and credible defense here than in any other Colorado city.
DUI penalties escalate significantly with prior convictions. A first offense carries 5 days to one year in county jail (with probation eligibility), fines up to $1,000, 9 months to 2 years license revocation, and mandatory public service. A third DUI is a Class 4 felony. Denver also has access to DUI diversion — a first-offense DUI diversion program that can result in dismissal upon successful completion — that is not available in all Colorado jurisdictions. The 7-day deadline to request a Colorado DMV hearing runs from the date of arrest.
What Our Denver DUI Attorneys Challenge
The traffic stop or contact: Law enforcement must have reasonable articulable suspicion to initiate a stop or contact. Denver’s DUI enforcement patterns — sobriety checkpoints that have their own constitutional requirements, traffic stops on I-25 and I-70, and pedestrian stops that can escalate to DUI investigations — all present specific constitutional issues. We scrutinize every Denver DUI stop and initial contact for Fourth Amendment defects.
Field sobriety tests at altitude: Denver’s elevation at 5,280 feet is a well-established and litigable factor in HGN field sobriety test defense. Altitude affects the nystagmus response, breathing patterns, and certain physiological indicators that FSTs measure. We use altitude-based defense arguments in every Denver DUI case where the facts and available expert support warrant it — and in Denver, that foundation is more developed than anywhere else in Colorado.
Breath test results: Breathalyzer machines used by Denver Police must be properly calibrated, maintained, and operated. The 20-minute pre-test observation period is a mandatory requirement. We obtain calibration and maintenance records for every device and challenge results when records reveal deficiencies.
Blood test results: Chain of custody, storage, laboratory methodology, and analyst qualifications all affect admissibility and reliability. We review complete chain of custody documentation and request independent testing of preserved blood samples in appropriate cases.
Marijuana DUI evidence: Denver’s cannabis culture generates THC DUI cases with significant frequency. The 5-nanogram per se THC threshold is scientifically contested — THC metabolizes differently from alcohol and elevated concentrations don’t necessarily correlate with impairment at the time of driving. Cannabis DUI defense in Denver requires specific scientific strategies that we have developed in this market.
DUI diversion eligibility: Denver offers a first-offense DUI diversion program that can result in dismissal upon completion. Identifying eligibility and advocating effectively for acceptance into this program is one of the most valuable defense moves on an eligible Denver DUI case.
How Denver DUI Cases Work
A DUI arrest in Denver results in booking at Denver County Jail and an initial advisement in Denver County District Court, typically within 48 hours. The 7-day clock for requesting a DMV hearing begins running from the date of arrest — independent of any court date. Our first action on every Denver DUI case is to request the DMV hearing, preserving driving privileges pending the outcome of both proceedings.
Denver’s first-offense DUI diversion program is a significant feature of Denver DUI defense that doesn’t exist in all Colorado jurisdictions. Eligible first-time defendants who complete the diversion program — which typically includes alcohol education, treatment, and monitoring — can have the DUI charge dismissed without a conviction on their record. Identifying eligibility and advocating effectively for acceptance into Denver’s DUI diversion program is one of the most important defense moves on an eligible first-offense Denver DUI case.
For cases that don’t resolve through diversion, the defense focuses on suppression motions challenging the stop and the chemical test, and negotiation with the Denver DA’s office for the best available plea terms. Denver DUI cases involving multiple prior convictions — particularly third-offense DUI that elevates to felony status — require the same depth of defense as any serious Denver felony, including thorough challenge of prior convictions used to elevate the charge.
Why Burnham Law for DUI Defense in Denver
Immediate DMV hearing action. The 7-day deadline is the most time-critical first step. We request the hearing immediately upon being retained — before any other action in the case.
Denver DUI diversion expertise. Denver’s first-offense DUI diversion program is a meaningful alternative not available in all Colorado jurisdictions. We know the program, its eligibility criteria, and how to advocate effectively for our clients’ acceptance.
Altitude defense development. Denver’s 5,280-foot elevation is the most developed altitude-based DUI defense context in Colorado. We use altitude arguments in every Denver DUI case where the facts and expert support warrant them.
Cannabis DUI experience. Denver’s cannabis culture generates THC DUI cases with frequency. We handle the specific scientific defense strategies that marijuana DUI cases require and have developed these approaches in Denver’s specific market.
Frequently Asked Questions — Denver DUI
Does Denver’s altitude affect DUI breath and field sobriety tests?
Yes — and it is one of the most well-developed DUI defense arguments specifically in Denver. At 5,280 feet, Denver’s elevation affects breathing patterns, blood oxygen levels, the nystagmus response measured by HGN testing, and certain physiological indicators that DUI field sobriety tests assess. The scientific literature supports altitude-related effects on HGN evaluation specifically, and Denver courts have addressed this issue in ways that make it a more credible and established defense argument here than in lower-elevation Colorado cities. We evaluate altitude-based defense arguments in every Denver DUI case.
What is Denver’s DUI diversion program?
Denver offers a first-offense DUI diversion program that allows eligible defendants to complete a supervised program — typically including alcohol education, treatment, and monitoring — in exchange for dismissal of the DUI charge upon successful completion. The program avoids a conviction on the record, preserves the possibility of record sealing later, and is a significantly better outcome than any plea available in the conventional criminal process. Eligibility is not automatic and requires advocacy. We identify DUI diversion eligibility at the outset of every Denver first-offense DUI case and pursue it aggressively for eligible clients.
Which Denver enforcement agencies make DUI arrests?
DUI arrests in Denver are made by the Denver Police Department throughout the city, by Colorado State Patrol on I-25, I-70, and other state highways running through Denver, and occasionally by other agencies with jurisdiction in specific areas. The arresting agency affects certain procedural details — training requirements, equipment used, reporting formats — but all Denver DUI cases are prosecuted by the Denver DA’s office and heard in Denver County District Court regardless of which agency made the arrest.
What is the difference between DUI and DWAI in Colorado?
DUI requires substantial impairment — the driver was substantially incapable of safely operating a vehicle. DWAI requires impairment to the slightest degree and carries lesser penalties, though it still results in a criminal conviction and license points. A BAC of 0.08 or above creates a presumption of DUI; between 0.05 and 0.08 can support DWAI. Negotiating a first-offense Denver DUI down to a DWAI makes a meaningful difference in consequences — particularly for professionals whose licensing or background check situations make the distinction between DUI and DWAI significant.
How long does a DUI conviction stay on a Colorado record?
DUI and DWAI convictions in Colorado cannot be sealed and remain on the record permanently. Prior DUI and DWAI convictions can be used to enhance subsequent charges to felony status with no time limit. This permanence — combined with Denver’s competitive professional job market and housing market — makes fighting a DUI charge aggressively from the start, rather than accepting a plea, critically important for Denver residents whose long-term employment and housing prospects depend on a clean record.
Schedule a Consultation with a Denver DUI Lawyer
A DUI arrest in Denver requires immediate action — the 7-day DMV deadline, evaluation for DUI diversion eligibility, and the beginning of the criminal defense process all happen at once. Burnham Law’s Denver DUI attorneys act immediately on all fronts from day one.
Call (303) 990-5308 or schedule a confidential consultation online. We defend DUI and DWAI charges throughout Denver County.
