The Traffic Stop
The defense should examine the officer’s stated reason for the stop, driving observations, dash-camera footage, citizen reports, lane position, and reasonable suspicion.
Learn More →Waukesha, Wisconsin OWI Defense
Waukesha DUIDefense Lawyer
An OWI prosecution places the resources of law enforcement and the district attorney against you.
Defending OWI Charges in Waukesha
Do Not Face the Prosecution Alone
Potential consequences can include license action, fines, jail, assessment, ignition-interlock requirements, employment issues, and reputational harm.
Nathan J. Dineen reviews the legality of the stop, field testing, chemical evidence, video, statements, prior convictions, and license deadlines.
Evidence ReviewConstitutional IssuesNegotiationTrial Preparation
Independent Evidence Review
The police report is the prosecution’s account—not the final word.
OWI Issues Reviewed in Waukesha
OWI Issues Reviewed in Waukesha
Field Sobriety Tests
Instructions, scoring, surface conditions, footwear, lighting, medical limitations, and the administration of HGN, walk-and-turn, and one-leg-stand testing may matter.
Learn More →Breath Testing
Observation periods, instrument maintenance, calibration records, testing sequence, mouth alcohol, timing, and physiological factors should be evaluated.
Learn More →Blood Testing
Blood-draw procedures, chain of custody, laboratory methods, timing, medication, contamination, and interpretation may affect reliability.
Learn More →Refusal & License Issues
Administrative and refusal deadlines can run separately from the criminal case. Prompt review may be necessary to preserve hearing rights.
Learn More →Repeat or Aggravated OWI
Prior convictions, a minor passenger, injury, a commercial license, alleged high alcohol concentration, or other facts may increase consequences.
Learn More →
Why Choose Nathan J. Dineen
Focused Wisconsin OWI Defense
The defense compares police reports with video, testing protocols, instrument or laboratory records, witness accounts, and Wisconsin law.
- Super Lawyers recognition
- Forensic Lawyer-Scientist training and scientific evidence review
- National Trial Lawyers recognition
- Experience reviewing OWI, criminal, forensic, and constitutional issues
- Responsive communication when your case needs attention
Waukesha OWI FAQs
Common Questions
Every answer depends on the charge, evidence, court, prior record, notices, and applicable deadlines.
Preserve every citation and notice, avoid discussing the facts publicly, and have the stop, arrest, testing, and deadlines reviewed promptly.
Yes. Instructions, scoring, conditions, medical limitations, footwear, fatigue, and video may affect reliability.
Timing, procedure, instrument or laboratory records, chain of custody, medication, and physiological factors may matter.
Administrative, refusal, and conviction consequences differ. The notices, record, and deadlines must be reviewed.
Office & Directions
Germantown Office
W175N11086 Stonewood Dr, Germantown, WI 53022. Contact the firm before traveling from Waukesha to confirm the meeting location.
Find Us
Four Locations Across Wisconsin
Contact the firm to confirm the best location or meeting arrangement for your case.
Germantown
W175N11086 Stonewood DrGermantown, WI 53022 Get Directions
West Bend
246 S 5th Ave.West Bend, WI 53095 Get Directions
Sturgeon Bay
342 Louisiana StreetSturgeon Bay, WI 54235 Get Directions
Sister Bay
10589 S Highland Rd., Suite 9Sister Bay, WI 54234 Get Directions
Talk With a Wisconsin OWI Defense Attorney
Let’s Build
Your Defense
Share the basic facts about your matter in Waukesha, Wisconsin and any upcoming court, license, refusal, or filing deadlines.