Law Offices of Matthew J Ruff is a specialized criminal defense firm exclusively focused on DUI and drunk driving cases throughout the Santa Clarita Valley and greater Los Angeles County. With over 25 years of experience and more than 3,000 DUI cases defended, Attorney Matthew Ruff stands out as a true courtroom advocate who consistently challenges charges rather than pursuing plea bargains. His practice is distinguished by a team of forensic toxicologists, medical doctors, and investigators dedicated to dismantling the prosecution’s evidence.
Matthew Ruff adopts an aggressive, evidence-based defense strategy, leveraging his prior experience working for the district attorney’s office to anticipate and counter prosecution tactics. He routinely represents individuals facing first-time or multiple DUI offenses, underage drivers, commercial license holders, and those accused of drug-related DUIs. His unique value lies in his dual expertise in both court trials and DMV administrative hearings, where he maintains one of the highest success rates in challenging license suspensions—even in high-BAC, refusal, and underage cases.
Services Offered
- DUI Defense
- Drunk Driving Defense
- DMV Administrative Hearings
- Underage DUI (Zero Tolerance)
- DUI Checkpoint Challenges
- Multiple DUI Priors Defense
- Probation Violation Defense
- Refusal Allegation Defense
- Drug-Related DUI (e.g., Marijuana)
- Hit and Run Cases Involving DUI
- Field Sobriety Test Challenges
- Breath Test and Blood Sample Analysis
- License Suspension Appeals
- Commercial License Defense
- DUI Trial Representation
- Motion Filing and Evidence Challenges
Serving clients across Los Angeles County, including Santa Clarita, Valencia, Canyon Country, and the San Fernando Valley, Matthew Ruff offers representation in English and is widely recognized for teaching DUI defense seminars to members of the California State Bar. His notable achievements include numerous not guilty verdicts, dismissed charges, and successful DMV hearing outcomes even in cases involving BAC levels as high as .25%.
