The Law Offices of Mark N. Weingart is located in Tempe, Arizona. The firm devotes the major portion of its practice to the defense of D.U.I. and vehicular crimes.

Mr. Weingart has achieved the highest competency rating from Martindale-Hubbell, the national lawyer rating service. He is rated A-V for excellence in competency and ethics.

Since its inception, the firm of Mark N. Weingart has focused on excellence in representation and state of the art defense to the accused D.U.I. driver. Over the past 15 years, the firm was responsible for more than 20 published opinions by the Court of Appeals and Supreme Courts of Arizona. Among major changes in D.U.I. law and the upholding of constitutional rights of the accused, Mark N. Weingart has been involved in:

• Changing the law with regard to the definition of actual physical control as it applies to a D.U.I. case;
• Limiting the use of the horizontal gaze nystagmus, or eye test, given by police officers;
• Upholding your right to speak freely and confidentially to an attorney when arrested for D.U.I.;
• Constantly fighting and challenging the legislature's attempts to remove defenses to D.U.I. cases and to protect the constitutional rights of those accused of D.U.I.;
• Limiting the use by police the impact of roadside tests in D.U.I. trials.

Recently, Mark N. Weingart's office has been instrumental in discovering problems with the Intoxilyzer 5000 breath testing machine. Members of his staff were lead counsel involved in consolidated efforts that resulted in the suppression of breath test readings in approximately 1,500 D.U.I. cases. The firm didn't stop there as we continue to challenge the admissibility of breath and blood test results in D.U.I. cases with frequent success!

About Mark Weingart

Mark Weingart has been practicing law for over 25 years. He is a former assistant county prosecuting attorney in the State of Ohio, where he prosecuted in excess of 100 D.U.I. cases. When he came to Arizona in 1979, he was appointed as a city court judge in the City of Tempe, where he presided over D.U.I. cases. He worked full and part-time in that capacity as a judge from 1979 until 1986. Also for a six-year period, he served as an Assistant Attorney General for the State of Arizona.

Additionally, Mr. Weingart has participated as a seminar lecturer, both locally and nationally, on D.U.I. defense techniques. Mr. Weingart is frequently consulted by the media as a legal expert on D.U.I. and other vehicular crime-related issues and has appeared on both local radio and television news.

Mr. Weingart is a Founding Member of the National College for D.U.I. Defense, member of the Maricopa County, Ohio State and American Bar Associations, State Bar of Arizona, Association of Trial Lawyers of America, American Judicature Society and Arizona Attorneys for Criminal Justice and has been certified by the Arizona State Bar Association as a Criminal Law Specialist.