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47 Years
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Trusted DUI & Criminal Defense in San Jose, CA
The Law Offices Of Leon J Mezzetti Jr has dedicated over 30 years to defending clients charged with criminal offenses throughout Northern California. As a former Alameda County deputy district attorney, Mr. Mezzetti leverages insider knowledge of prosecutorial strategies to build robust defenses. The firm offers personalized representation in DUI, domestic violence, drug crimes, and other criminal matters, combining aggressive advocacy with strategic negotiation.

With offices across the Bay Area and multilingual support, the practice prioritizes accessibility and client-centered service. The team includes an in-house investigator and experienced legal professionals committed to protecting clients' rights and driving privileges.
Services
DUI Defense Criminal Defense DMV Hearings Domestic Violence Drug Crimes
Details
  • Year established: 1979
Highlights and features
  • Over 30 years of criminal defense experience in Northern California courts
  • Founder served as Alameda County deputy district attorney
  • Personalized attention from experienced attorneys and investigators
  • 24/7 availability for urgent legal matters
  • Multilingual support in Spanish, Hindi, and Italian
Services
DUI Defense
The firm provides comprehensive DUI defense with over 30 years of courtroom experience. Former deputy DA The Law Offices Of Leon J Mezzetti Jr challenges evidence, breathalyzer results, and procedural violations to protect clients' licenses and freedom. Services include DMV hearing representation, charge reduction strategies, and penalty mitigation for first-time and repeat offenses across Northern California.
Criminal Defense
The practice handles diverse criminal matters including drug possession, domestic violence, and white-collar crimes. The team leverages prosecutorial insights to identify case weaknesses while negotiating favorable outcomes. Services extend to juvenile offenses, record expungement, and complex cases requiring specialized investigative resources and legal expertise.
DMV Hearings
Urgent DMV hearing representation preserves driving privileges after DUI arrests. The firm meets strict 10-day deadlines to challenge automatic license suspensions. Services include evidence review, procedural challenges, and strategic arguments to maintain clients' ability to work and fulfill family obligations during criminal proceedings.
Domestic Violence
The firm defends against domestic violence charges with careful evidence analysis and reputation protection strategies. Services address false accusations, procedural errors, and collateral consequences affecting employment and family relationships. The team balances aggressive courtroom advocacy with discreet client handling for sensitive cases.
Drug Crimes
Drug crime defense covers possession, trafficking, and manufacturing charges. The firm challenges unconstitutional searches, lab procedure flaws, and evidence chain-of-custody issues. Services include diversion program advocacy, charge reduction negotiations, and protecting clients' professional licenses while addressing underlying substance use concerns.
People
Leon J. Mezzetti Jr.
Attorney
The Law Offices Of Leon J Mezzetti Jr has practiced criminal defense in Northern California since 1979. As a former deputy district attorney, he uses prosecutorial insights to build defenses. Fluent in Spanish, Italian, and German, he provides multilingual representation and flies statewide to meet clients.
Ravinder Singh Johal
Staff Attorney
Ravinder Johal assists with case preparation and client consultations. With experience in California's legal system, he contributes to developing defense strategies while maintaining client communication throughout the legal process.
David A. Barzaga
Of Counsel
David Barzaga provides specialized legal counsel on complex criminal matters. His collaborative approach complements the firm's core defense strategies while ensuring comprehensive representation for clients facing serious charges.
Jennifer Rampton
Attorney
Jennifer Rampton represents clients in criminal defense cases, focusing on personalized attention and thorough case preparation. She works closely with senior attorneys to develop effective defense strategies for DUI and other criminal charges.
Questions
What DUI defense strategies do you use?
We challenge evidence collection procedures, breathalyzer accuracy, and officer observations while negotiating charge reductions when appropriate.
How do DMV hearings work?
We request hearings within 10 days of arrest to challenge license suspensions through legal arguments and evidence challenges.
Can first-time DUI charges be reduced?
Yes, we often negotiate 'dry reckless' reductions that minimize penalties compared to standard DUI convictions.
Do you handle out-of-state cases?
We represent clients statewide, including Northern California counties and areas accessible through Mr. Mezzetti's piloting expertise.
Are consultations really free?
Yes, we offer free initial consultations with no obligation to discuss your case and defense options.
What languages do you speak?
Our team provides services in English, Spanish, Hindi, and Italian to accommodate diverse client needs.