William M. Bache

William M. Bache is a plaintiff-focused attorney with extensive experience in personal injury, wrongful death, insurance company liability, medical malpractice, motor vehicle accidents, premises liability, animal bites, and aviation accident matters. His practice is shaped by decades of representing injured people and families against insurers, corporations, and other responsible parties.

William earned his Juris Doctor from Indiana University School of Law in Indianapolis in 1972, graduating summa cum laude after finishing near the top of his class. He received a B.S. in Industrial Economics from Purdue University in 1968, giving him a strong academic foundation for legal analysis and advocacy. Early in his career, he worked with a respected Indiana law firm that defended insurance companies and corporations in personal injury and wrongful death lawsuits. That experience gave him valuable insight into claim defense strategies, insurance practices, and the methods often used to limit compensation for injured claimants in litigation.

William chose to build a practice devoted to representing people rather than insurers. For more than 50 years, he has used his knowledge of insurance defense tactics to pursue justice, accountability, and fair compensation at every stage of each case for injury victims and families facing difficult legal challenges. His admissions include the Indiana Supreme Court, the Arizona Supreme Court, the U.S. District Court for the Southern and Northern Districts of Indiana, and the U.S. District Court for Arizona. Since 1991, his Tucson practice has reflected strong litigation experience and a lasting commitment to plaintiff advocacy. 

Through matters involving serious accidents, negligent conduct, medical errors, unsafe premises, and preventable loss, William M. Bache helps clients understand their rights and pursue meaningful recovery. His background allows him to evaluate cases carefully, prepare strong claims, and guide clients through negotiations and litigation with practical, informed legal judgment and strategy. He also maintains involvement with respected legal organizations, including the American Association for Justice, the Arizona Trial Lawyers Association, the Arizona Bar Association, and the Pima County Bar Association. His career reflects a lasting dedication to protecting injured clients and helping them seek justice after serious harm.

Law Office Affiliations

• Partner, Bache Lynch Goldsmith & Mendoza PLLC
• Member, State Bar of Arizona
• Member, American Association of Justice
• Member, Arizona Trial Lawyers Association
• Member, Pima County Bar Association
• Member, Indiana State Bar Association

Licensed State

• Arizona
• Indiana

Education

• Indiana University School of Law
  Juris Doctor (JD)
• Purdue University
  B.S. in Industrial Economics

Awards & Badges