Law Office of Diane C. Bass Serving Irvine
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State and Federal Criminal Defense Representation
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Attorney Diane Bass walking in front of the Federal Courthouse.

Criminal Defense Attorney in State and Federal Courts

When the System is Against You,

We're on Your Side

Navigating the legal system can feel daunting, especially when the odds seem stacked against you. With our firm's 25+ years of experience and proven track record in state and federal cases, we're dedicated to being your unwavering advocates. Reach out today to begin building your defense and reclaiming your rights.

Orange County Criminal Defense Attorney 

Strong Representation for State & Federal Charges in Southern California

If you are facing state or federal criminal charges, it is vitally important that you speak with a skilled criminal defense attorney about your case as soon as possible. While you may think you can defend yourself in court or convince law enforcement personnel that a misunderstanding has occurred, you would be risking your case. The prosecution will pursue your charges aggressively and often argue for the maximum sentence. A seasoned defense lawyer can be your greatest ally in and out of the courtroom while dealing with these challenges.

Law Office of Diane C. Bass is highly respected by clients, fellow criminal defense lawyers, and legal professionals working on the other side. If you have been accused of a crime, Diane C. Bass and her legal team have extensive experience providing successful defenses to Southern California clients. She is based in Irvine and represents clients across San Diego, Los Angeles, Riverside, and Orange County.  

Dedicated Service & Aggressive Defense in Orange County & Throughout Southern California

A conviction in a criminal case often comes with the potential of financial penalties, probation, and even long prison sentences. Even those who escape with a not-guilty verdict risk having their reputation tarnished by the charges. 

That is why working with an attorney experienced in these cases is essential. As your legal defense, Diane C. Bass can provide dedicated service and vigorously defend your name. With her help, you may potentially walk away from charges without lasting damage. 

Contact us online or at (949) 990-4195 to schedule your confidential consultation today. 

Why You Need a Skilled Defense Attorney

Being charged with a crime is scary, stressful, and serious. If you or a loved one have been arrested or are being investigated for a crime, you must obtain the best possible representation from a skilled attorney at the earliest stage of the case. 

Without adequate legal representation, you could be severely disadvantaged when defending yourself in court. Anything you say can, and often will, be used against you. Without the professional protection of an attorney, your case can be harmed by the many pitfalls of investigative and legal complexities. Our firm can put an aggressive defense plan on your side.

Diane C. Bass can assist you from the moment you are arrested or learn you are under investigation. Her team can help you at every step, from bail to pre-trial negotiations and beyond, always working for the most favorable outcome. Law Office of Diane C. Bass has a proven and trusted track record of success and will be by your side every step of the way.

Federal Offenses

State Crimes

  • Selected by Super Lawyers Since 2022
  • Avvo 10.0 Rating
  • National Association of Criminal Defense Lawyers
  • Orange County Bar Association
  • Top 100 Lawyers

    We Put Our Clients First

    Testimonials and Reviews
    • "I appreciated she was straightforward and honest about our possible outcomes to our specific situation, but the results were much better than what we expected."
      - Dora H.
    • "Her expertise, connections, analysis, and comprehensive review of my situation were more than I could ever ask. I am extremely grateful and couldn't be happier with my choice!"
      - Jeff R.
    • "Diane is the perfect mix of gentle understanding and fierce action you’ll need if you find yourself dealing with the OC court system."
      - Angie T.
    • "After meeting with Diane I felt immediate comfort, and I was sold on the fact that I could trust this amazing person with my life. Diane Bass was there for me every step of the way like no other attorney had ever been."
      - Ryan O.

      A Proven History Of Success

      Recent Case Results
      • Probation $50 Million Immigration Fraud

        Client suspected of $50,000,000 Immigration fraud. Client sentenced to 1 day of imprisonment and 3 years supervised release.

      • Probation $22 Million Health Care Fraud

        Client was potentially facing 97-121 months in Federal prison. Attorney Bass was able to have the fraud charges dismissed. Client pled to attempted obstruction of justice and sentenced to probation.

      • Sentence Reduced $15 Million Covid Relief Fraud

        DA offered 6 years state prison, client sentenced to 1 year home confinement.

      • Charges Dismissed Wire Fraud / Embezzlement

        Client was facing up to 21-months in Federal prison for charges of Wire Fraud/Embezzlement in the amount of $150,000.00.

      • Sentence Reduced $3 Million Tax Evasion

        Client facing 41 months federal prison - sentenced to 6 months.

      • Not Guilty Possession with Intent to Distribute

        Client facing mandatory minimum 10 years federal prison.

      • Sentence Reduced Drug Trafficking Case

        Client was facing 10 year mandatory minimum. He was sentenced to 6 months with credit for time served, released the night.

      • Probation Bank Fraud

        Client was facing up to 27-33 months in prison for Bank Fraud/loss amount $62,000.

      • 7 Days in Custody Federal Rico Conspiracy

        Client was facing life in prison.

      Meet Attorney Bass Compassionate and Experienced Legal Representation in State and Federal Courts

      Attorney Diane C. Bass handles federal criminal charges nationwide and represents clients in state criminal matters throughout Southern California. With decades of professional experience in her field and national recognition as a Super Lawyer, she and her team bring exceptional knowledge, skills, and resources to your case, whether it involves violent or nonviolent crime accusations. 

      Why Choose Law Office of Diane C. Bass?

      The Right Attorney Makes a Difference
      • Top-Rated & Award-Winning Legal Representation
        We consistently deliver results that exceed expectations, earning the trust of clients and accolades from the legal community.
      • 25+ Years of Criminal Defense Legal Experience
        With over 25 years of criminal defense legal experience, we bring a wealth of seasoned insight and a proven track record of success to every case we handle.
      • Extensive Knowledge & Experience With Federal Cases
        With extensive knowledge and experience in federal cases, we offer comprehensive legal strategies tailored to the complexities of each situation.
      • An Outstanding Reputation Amongst Clients & Peers
        Our reputation among clients and peers alike reflects our unwavering dedication to achieving the best possible outcomes for those we represent.
      • Featured in the Media
        Attorney Bass is frequently featured in media outlets such as The Washington Post, LA Times, ESPN, Forbes, the Wall Street Journal and more.
      • Track Record of Success
        With a track record of handling some of the most significant cases in the Central District of California, our firm brings unmatched experience to every client's defense.
      Featured in the Media

      Attorney Bass is a trusted advisor to numerous media outlets, with our experience recognized and sought after across various platforms.

      WHO I AM

      Thirty Years in Federal Court. I Know How This System Works — Including How Federal Judges Think.

      I have been a criminal defense attorney in Southern California for almost 30 years. In that time, I have handled everything from MS-13 and Mexican Mafia cases to billion-dollar investment fraud to the bookmaking case at the center of the Shohei Ohtani scandal. I have tried cases in front of judges appointed by every administration dating back to Reagan. I know how federal prosecutors build their cases. I know how federal agents gather evidence. And I know — from thirty years of standing in front of them — how federal judges think.

      Most federal judges are extraordinarily smart. They read every word you submit. They come to sentencing hearings prepared. They notice when an attorney hasn't done the work. And they respond when someone has.

      That knowledge — knowing what a federal judge is actually looking for when they review a sentencing memorandum, when they consider a motion to suppress, when they weigh a cooperation agreement — is not something you learn from a book. It comes from decades of showing up in that courtroom, losing cases you should have won and winning cases nobody thought you could, and paying attention every single time.

      Before law school, I studied ballet, drama, and performance — including three years at UC Irvine as a drama major. I mention this not as a curiosity but because it is genuinely relevant to what I do. Federal court is, among other things, a performance. A jury that is falling asleep wakes up when someone with real training in presence, timing, and storytelling stands up to speak. I have been in front of enough juries to know that how you say something matters as much as what you say.

      I am a solo practitioner. When you hire me, you get me — not an associate, not a paralegal, not someone you've never met. Me.

      Call (949) 990-4195 for a confidential consultation with our Orange County criminal defense lawyer. Or reach us on our contact page to get started. 

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      Frequently Asked Questions

      When Is the Right Time to Hire a Criminal Defense Attorney?

      The best time to hire legal representation was yesterday before you needed it. The second-best time is as soon as you finish reading these words. Criminal defense law offices can provide the most thorough, well-rounded defenses when they are given more time to examine the investigation, review evidence, speak with witnesses, and learn your side of the story.

      The sooner you hire an attorney to defend you, the better your chance of constructing a winning defense. Police officers and lawyers for the district attorney's office will attempt to seek harsh sentencing. You need a defense lawyer to protect your rights and argue for your best interests with equal vigor. But you must give a defense team the appropriate time to do their work. Waiting until the last second to hire an attorney is not advisable.

      The criminal justice system chews up and spits people out for even the most minor legal issues or charges. While a push for reform in various criminal cases is ongoing, defendant after defendant must navigate courtrooms, fearful for their futures. As your attorney, Diane C. Bass can provide an aggressive defense, working tenaciously to help you achieve the best possible outcome.

      What to Expect During the Criminal Process in Orange County?

      When facing a criminal charge in Orange County, your case will likely move through several stages. After an arrest, a bail hearing usually takes place at the Central Justice Center in Santa Ana to determine whether you will remain in custody or go home while awaiting trial. At arraignment, you enter a plea, and the court sets future dates. The Orange County District Attorney prosecutes most cases in this region, and the process includes pretrial hearings, negotiations, and motions before reaching trial. A seasoned criminal defense attorney can guide you through each stage, help you anticipate what comes next, and prepare you for procedures unique to Orange County courts, such as settlement conferences or readiness hearings. Local judges enforce deadlines strictly, so making timely decisions and preparations can impact your defense strategy.

      How Long Does a Criminal Case Usually Take in Orange County?

      The time required for a criminal case in Orange County depends on the charges and court calendar. Most misdemeanor cases wrap up within months, while complex felony matters might last a year or more because of pretrial steps and negotiations.

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