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Your Trusted Criminal Defense Attorney in Tustin, CA
For over 45 years, the Law Office of John D. Barnett has stood as a pillar of legal excellence in Southern California, specializing in high-stakes criminal defense. Our firm was founded on the principle that every individual deserves vigorous representation, regardless of the severity of their charges. With decades of courtroom experience, we have successfully defended clients in some of the region's most complex and high-profile cases, including violent crimes, drug offenses, DUI allegations, and sex crimes.

Our approach combines meticulous preparation, strategic advocacy, and a deep understanding of constitutional rights to ensure clients receive equitable treatment under the law. We prioritize personalized service, treating each case with the urgency and attention it demands while maintaining the highest standards of legal ethics and professionalism.
Services
Violent Crimes Defense Drug Crimes Defense DUI Defense Sex Crimes Defense Personal Injury Representation
Highlights and features
  • We offer over 45 years of criminal defense experience in Southern California courts
  • Our team includes nationally recognized trial attorneys with landmark case victories
  • We provide personalized legal strategies tailored to each client's unique circumstances
  • Our attorneys have lectured on trial tactics to legal associations and law enforcement
  • We maintain a proven track record of successful jury trial outcomes in complex cases
Associations and certifications
  • American College of Trial Lawyers
  • Orange County Bar College of Trial Advocacy
What people say
Organized, thorough, professional Best Cross Examiner in Southern California
Services
Violent Crimes Defense
We provide robust legal representation for clients charged with violent crimes including assault, robbery, and homicide. Our attorneys leverage decades of trial experience to challenge evidence and protect clients' rights. We understand the severe consequences of violent crime convictions and work tirelessly to achieve dismissals, acquittals, or reduced charges while maintaining client dignity throughout the process.
Drug Crimes Defense
Our firm defends against all levels of drug-related charges from possession to trafficking. We challenge unlawful search and seizure practices while developing strategic defenses tailored to each case. With extensive knowledge of drug laws and court procedures, we work to minimize penalties and protect clients' futures through charge reductions or alternative sentencing options when appropriate.
DUI Defense
We represent clients facing DUI charges involving alcohol or drugs, including fatal accident cases. Our defense strategies examine procedural errors and scientific evidence to challenge prosecution claims. We work to protect driving privileges while minimizing legal consequences through negotiated settlements or aggressive courtroom advocacy when necessary.
Sex Crimes Defense
Our attorneys defend against rape, child abuse, and other sex crime allegations with particular focus on protecting constitutional rights. We challenge false accusations and work to prevent registry requirements through strategic defense approaches. We understand the life-altering consequences of sex crime convictions and provide vigorous representation while maintaining client confidentiality.
Personal Injury Representation
Case Barnett Law handles personal injury cases resulting from vehicle accidents and premises liability. We pursue compensation for medical expenses and lost wages while advocating for clients' rights. Our approach combines compassionate representation with aggressive litigation to achieve fair settlements or verdicts in injury cases.
People
John D. Barnett
Criminal Defense Attorney
With over 45 years of experience, John D. Barnett is a nationally recognized trial attorney known for defending high-profile criminal cases including police officers in the Rodney King matter. He is a member of the American College of Trial Lawyers and has lectured on trial tactics to legal associations and law enforcement agencies throughout California.
Case Barnett
Personal Injury Attorney
Case Barnett represents accident victims in personal injury claims, leveraging his trial experience from both prosecution and defense backgrounds. He began his legal career in 2003 with the Orange County Public Defender's Office before establishing his plaintiff-focused practice in 2015, recovering over $50 million for injured clients through verdicts and settlements.
Questions
What types of criminal cases do you handle?
We defend clients facing serious felony charges including violent crimes, drug offenses, DUI allegations, and sex crimes throughout Southern California.
How experienced is your legal team?
Our lead attorney has over 45 years of criminal defense experience, including landmark cases tried before the U.S. Supreme Court and military tribunals.
Do you handle cases outside Orange County?
Yes, we represent clients in Los Angeles, San Bernardino, and Riverside Counties in addition to our Orange County practice.
What happens during an initial consultation?
We'll review your case details, explain legal options, and develop a strategic defense plan tailored to your specific circumstances during a confidential consultation.
Are your attorneys available for emergencies?
Yes, we provide 24/7 availability for urgent criminal matters and can respond to after-hours emergencies requiring immediate legal intervention.
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