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California DUI Defense Lawyers

The Law Office of Robert Tayac has been helping people who have been charged with driving under the influence (DUI) in California for more than a decade. All of the attorneys and litigation staff at the Law Office of Robert Tayac have received specialized training in field sobriety tests, breath alcohol tests, and blood alcohol tests administered by state and local California law enforcement officers. This robust knowledge of DUI testing methods means that attorneys at the Law Office of Robert Tayac are prepared to challenge the conditions and results of client tests in order to provide the most comprehensive and successful DUI defense possible.

California DUI Defense Attorney Robert Tayac

California DUI Defense Attorney Robert TayacDefense attorney Robert Tayac holds more than a decade of experience representing persons accused of driving under the influence (DUI) cases in Northern California. Born and raised in San Francisco, Mr. Tayac graduated from the University of California, Davis. He later received his law degree from the University of California, Boalt Hall School of Law, where he served as an articles editor for the Law Review.

Mr. Tayac is admitted to practice law before the California Supreme Court located in San Francisco and all state and federal courts in California. He also worked as a staff attorney for Appellate Defenders in San Diego where he wrote appellate briefs and argued numerous criminal cases before the Fourth District Court of Appeal.

As well, Mr. Tayac has defended countless driving under the influence cases and belongs to numerous professional associations, including The Bar Association of San Francisco, The National College for DUI Defense, National Association of Criminal Defense Lawyers (NACDL), California Attorneys for Criminal Justice (CACJ), California Public Defenders Association and California DUI Lawyers’ Association. In addition, he has lectured on breath testing to other lawyers and and is regularly consulted by other attorneys seeking advice on representing their clients. Attorneys from the San Francisco Public Defender’s office regularly consult with the firm and Mr. Tayac is a guest lecturer to law students at Boalt Hall School of Law.

Prior to Mr. Tayac's affiliation with the law, he was a member of the San Francisco Police Department for more than 14 years, where he achieved the rank of Inspector of Police. He also served in the United States Marine Corps from which he was honorably discharged.


  • Two Certificates of Honor, San Francisco Board of Supervisors
  • Certificate of Merit, California State Assembly
  • Awarded the Medal of Valor, San Francisco Police Department
  • Co-Author: California Drunk Driving Defense, 4th ed. (Thomson West Publishers)
  • Former Inspector of Police, San Francisco Police Department

Because the attorneys at the Law Office of Robert Tayac dedicate the entirety of their focus to DUI defense in California, their knowledge of the local courts and criminal legal system is unparalleled. Our attorneys’ trial skills and specialized knowledge of California DUI law have earned our office a reputation within the legal community as fierce advocates for our clients. Additionally, each attorney is a member in good standing with the State Bar of California and is licensed to practice law in all California criminal courts and federal courts in the Northern, Eastern, Central, and Southern Districts of California.

The Law Office of Robert Tayac has a well-established record of success in the courtroom, while also obtaining favorable settlements for our clients through the reduction of charges and sentences. When you work with the Law Office of Robert Tayac, you can be assured that you are retaining the services of a knowledgeable and trustworthy DUI defense firm.

The Law Office of Robert Tayac is located in California and is committed to serving individuals in: Alameda County, Contra Costa County, Marin County, Napa County, Sacramento, San Francisco, San Mateo County, Santa Clara County, Santa Cruz Couinty, and Sonoma County.

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