Aggressive Defense. Personalized Attention. Protecting Your Future.
Milwaukee, Wisconsin DUI & OWI Defense

Milwaukee DUI & OWIDefense Lawyer

A DUI or OWI allegation in Milwaukee can affect driving privileges, employment, insurance, professional licensing, and personal reputation.

Milwaukee DUI & OWI Defense Lawyer
Protecting Drivers in Milwaukee

Defense Built Around the Stop, Tests, and Evidence

A Milwaukee DUI or OWI case may involve the traffic stop, roadside observations, field sobriety testing, squad video, statements, breath or blood evidence, an alleged refusal, and time-sensitive license proceedings.

Nathan J. Dineen reviews police procedure, testing, laboratory records, video, witness accounts, prior-offense allegations, and court deadlines. The objective may be suppression, dismissal, charge reduction, a negotiated resolution, or trial preparation, depending on the evidence and the client’s goals.

Evidence ReviewConstitutional IssuesNegotiationTrial Preparation
DUI & OWI Issues Reviewed in Milwaukee

DUI & OWI Issues Reviewed in Milwaukee

Traffic Stop

The officer must have a lawful basis to stop the vehicle and to extend the encounter into a DUI or OWI investigation.

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Field Sobriety Tests

Instructions, road conditions, lighting, footwear, physical limitations, officer training, and scoring may affect the reliability of roadside tests.

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Breath & Blood Evidence

Calibration, maintenance, collection, chain of custody, laboratory procedure, contamination, and interpretation should be carefully reviewed.

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Refusal Hearings

An alleged refusal can create separate court and license consequences. Notice and hearing deadlines may arise quickly.

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License Consequences

Administrative suspension, revocation, occupational-license eligibility, and ignition-interlock requirements depend on the specific allegation and history.

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Prior OWI & Penalties

Prior-offense counting can significantly affect exposure. The validity and use of prior convictions may require separate review.

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Milwaukee case preparation
Why Choose Nathan J. Dineen

Focused DUI and OWI Defense

Nathan J. Dineen brings professional recognition, technical training, scientific evidence analysis, responsive communication, and flexible payment options to Wisconsin impaired-driving matters.

  • 2026 Super Lawyer and 11x Super Lawyers designation
  • Forensic Lawyer-Scientist training and scientific evidence review
  • National Trial Lawyers recognition
  • Experience with traffic stops, field tests, breath tests, blood tests, and refusal matters
  • Responsive communication when your case needs attention
Milwaukee DUI & OWI FAQs

Common Questions

Every answer depends on the charge, evidence, court, prior record, and applicable deadlines.

The process may include a citation or criminal charge, court dates, administrative license action, and separate refusal proceedings. Deadlines should be reviewed immediately.

Yes. The officer must have a lawful reason for the stop and a sufficient basis to extend the detention into an impaired-driving investigation.

Yes. Administration, conditions, calibration, collection, chain of custody, laboratory method, and interpretation may all be relevant.

Consequences depend on the alleged offense, chemical-test result, refusal allegation, prior history, and applicable administrative deadlines.

Office & Directions

Germantown Office

W175N11086 Stonewood Dr, Germantown, WI 53022. Contact the firm before traveling from Milwaukee to confirm the meeting location.

Find Us

Five Locations Across Wisconsin

Contact the firm to confirm the best office or meeting arrangement for your matter.

Talk With a Wisconsin DUI Defense Attorney

Let’s Build
Your Defense

Share the basic facts about a DUI or OWI matter in Milwaukee, Wisconsin and any upcoming court, license, or filing deadlines.

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    We typically respond within one business day.