Dennis R. Thelen

Dennis R. Thelen is a Bakersfield civil trial lawyer who represents clients in complex disputes throughout Southern and Central California. His practice includes defending physicians and other health care providers in medical malpractice matters. He also handles personal injury and wrongful death lawsuits for plaintiffs and defendants, along with employment disputes, business litigation, insurance defense, and professional liability defense. His work focuses on preparing and trying significant civil cases.

Dennis earned a Bachelor of Arts from the University of Santa Clara in 1975, graduating cum laude. He received his Juris Doctor from Santa Clara University School of Law in 1978, where he graduated magna cum laude. His strong academic record provided a foundation in legal analysis, advocacy, and careful case preparation. That training continues to support his ability to assess complicated claims and present clear arguments in court.

Dennis has tried more than 100 civil cases to successful jury verdicts for his clients. This substantial courtroom experience covers medical malpractice, personal injury, wrongful death, employment, and business disputes. He is known for passionate representation, effective trial techniques, and a strong work ethic. His experience on both the plaintiff and defense sides gives him a broad understanding of litigation strategy and the practical issues that can shape a civil case.

Dennis R. Thelen has been recognized for many years as a Southern California Super Lawyer by his peers and the Los Angeles Daily Journal. He is a Fellow of the American College of Trial Lawyers and a Diplomate of the American Board of Trial Advocates. He has also served as president of both the Association of Southern California Defense Counsel and the San Joaquin Chapter of ABOTA. His professionalism, courtesy, and courtroom skill support clients facing demanding civil disputes.

Law Office Affiliations

• Attorney, LeBeau Thelen, LLP
• Member, California State Bar
• Member and Past President, Association of Southern California Defense Counsel
• Fellow, American College of Trial Lawyers
• Diplomate, American Board of Trial Advocates (ABOTA)
• Past President, ABOTA, San Joaquin Chapter
• Member, DRI

Licensed State

• California

Education

• Santa Clara University School of Law
  Juris Doctor (JD)
• University of Santa Clara
  Bachelor of Arts (BA)

Awards & Badges