Orange County business litigator


Passion. Experience. Diligence.


Mr. Chapman grew up in Southern California and decided at the age of 12 years old that when he grew up, he wanted to be an attorney. He has always been a tenacious advocate for every cause he believes in. Mr. Chapman has been a partner at a number of boutique business litigation law firms in Orange County and is still retained by other firms to help try large, complex cases. In addition to his legal career, Mr. Chapman has been a soccer coach, scoutmaster, board member and president of legal and business nonprofits. He loves working with technical experts in complex cases and has examined and cross-examined leading experts in fields as diverse as stereochemistry nomenclature, fluid dynamics, software licensing, franchise finance underwriting, laptop power technology,  biomechanics, revenue recognition accounting principles, and many others.


Get in touch

We at the Law Offices of William D. Chapman know that finding the right attorney to represent you is a choice not to be taken lightly. That’s why we offer free consultations to walk you through your needs, the scope of your goals, and your budget.

Book an appointment ▸





William D. Chapman

From state and federal courts to judge and jury trials from California to New York City representing clients from down the street to Milan, Italy, Mr. Chapman is an advocate at heart. When he undertakes to represent a client, he devotes himself to learning the business of the company he represents or the business of an individual client. He learns about the industry and seeks insights in developing a winning strategy.



Juris Doctor, 1981

B.S., Business Management, 1978

Activities & Affiliations

• California State Bar
• J. Reuben Clark Law Society, member and former Board member
• BYU Management Society, chapter founder/current board member, and former international chair

Bar Admissions

• All state and federal courts in California