

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.





Find out how we work with our clients, and reach out if you are interested in a consultation about your needs!
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Diane C. Bass is an experienced criminal defense attorney based in Irvine, California, with more than 25 years devoted exclusively to defending clients in state and federal courts. She represents individuals and professionals facing serious cri minal allegations, including white collar crimes such as wire fraud, bank fraud, conspiracy, and RICO charges.
Throughout her career, she has defended doctors, executives, business owners, and other professionals investigated by agencies such as the FBI, DEA, ATF, and IRS. Known for her extensive trial experience and strong reputation among judges, prosecutors, and peers, Diane Bass is committed to protecting her clients’ constitutional rights and achieving the best possible outcomes in even the most complex criminal cases.
Our decades of experience in criminal defense allow us to develop strategic defenses tailored to each client’s unique circumstances. Whether you are facing allegations of white collar crime, federal investigations, or serious criminal charges, we provide clear guidance and dedicated representation at every stage of the legal process. Our goal is to protect your rights, defend your reputation, and pursue the strongest possible outcome for your case.
We ensure every defense strategy is carefully built in accordance with federal and California criminal law to protect your rights and minimize potential legal consequences.
Every case is unique, and we tailor our defense approach to the specific facts, charges, and circumstances surrounding your situation.
We provide clear guidance and strong advocacy for individuals facing serious allegations, including complex white collar investigations and high stakes criminal matters.

Find out how we work with our clients, and reach out if you are interested in a consultation about your needs!
Choosing legal counsel early, particularly after authorities reach out or begin inquiries, clarifies your rights and helps you navigate complex communications or requests from state or federal agencies.
Orange County White Collar Crime Attorney Diane C. Bass brings years of experience managing high-stakes cases and understands what counts as important evidence and procedure in the area court system.
Federal criminal defense is a complex area of law that demands skill and in-depth knowledge. Few defense attorneys have substantial experience in federal courts. At Law Office of Diane C. Bass, our attorney has years of experience in federal court and has handled every type of federal criminal case.
Diane C. Bass has achieved strong results for her clients, including dismissals. She has developed a solid reputation with federal prosecutors and judges, making her a valuable asset to clients. She regularly appears in federal court and stays current with federal law by attending seminars and lectures.
Domestic violence cases can be emotionally and legally complex. Understanding your rights and the legal process is essential. That is why you need a compassionate and highly experienced criminal defense attorney on your side during each stage.
I provide that guidance and brings years of hands-on work in domestic violence defense. My approach aims for the best outcome for clients while offering steady support along the way.
Law Office of Diane C. Bass has extensive experience defending clients who have been charged with all types of criminal fraud in state and federal courts. Based in Irvine, we serve clients throughout Southern California; in federal cases, we often represent nationwide clients. Ms. Bass has represented clients in cases involving millions of dollars. In one particular case, she handled a case involving billions.
Law Office of Diane C. Bass is one of the most highly regarded criminal defense firms in Southern California; Ms. Bass has invaluable experience in state and federal fraud defense that can be put to use on your behalf.
Get Legal Help With Both Criminal and White Collar
With over 25 years of experience in criminal defense, Irvine based attorney Diane C. Bass has earned the trust of clients facing serious state and federal charges.
White collar investigations, complex fraud allegations, or high stakes criminal cases - we are prepared to defend your rights.
When your future is on the line, you need experienced and steady legal guidance.
Beyond the courtroom, we work to protect your reputation, your career, and your freedom.
Our goal is to provide strong, strategic defense when it matters most and help you move forward with confidence.
Hear From Our Clients

I just finished my case with Diane. She's the absolute best. Really saved my butt. Had a very hard case in which she got all the charges reduced. She was there with me through thick and thin. Never ever wavered through the tough case. Had my back unconditionally throughout the whole process. She's the best defense attorney in the OC, hands down. My life is now back on track thanks to her. I owe her literally everything. Thanks for everything Diane. I owe you big time!!!!

I can’t thank this law office enough! From day one, they were supportive, knowledgeable, and truly had my back. Their confidence and compassion helped ease my stress, and they fought hard for the best outcome. If you need a criminal defense team that genuinely cares, look no further! Thank you Diane Bass, my sisters and I are very thankful for you. Forever thankful.

Diane did an outstanding job representing me with my legal needs and was an excellent source of information, clarity, and support that was instrumental in helping me navigate the challenges of my case both in and out of the courtroom.

I highly recommend Diane if you’re looking to hire a professional and highly respected lawyer. Diane is a very knowledgeable person and so responsive and helpful. She has helped me with my case that I thought would be extremely life changing but turned out she came up with the best possible outcome. Thanks Diane! I will recommend all friends and family to her in a heartbeat. She’s the best hands down!
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