A seasoned trial attorney and skilled negotiator, Mark B. Wilson has won nearly every case he has tried and arbitrated. Mr. Wilson lost only one jury trial and obtained a complete reversal on appeal. He has 13 jury trials, 16 court trials, and 14 binding arbitrations under his belt.
Mr. Wilson represents clients in federal and state courts in a variety of matters, including business litigation, legal malpractice, real estate, trade secrets, unfair competition, copyright infringement, construction disputes, and commercial unlawful detainer.
Mr. Wilson’s victories include an $18.5 million binding arbitration award in a breach of contract case, a $2.25 million jury verdict in a premises liability case, a $1.85 million dollar jury verdict in a breach of shareholder agreement case, a $1.8 million binding arbitration award in a legal malpractice case, a $1.4 million jury verdict in a copyright infringement case, a defense verdict where plaintiff sought approximately $1 billion, a defense verdict in a partnership dispute where the client’s existence was at stake, a defense verdict in a real estate dispute where plaintiffs sought approximately $50 million, a defense verdict in an indemnity case where millions of dollars were at issue, and a defense verdict which saved the client approximately $5 million in rental income. His settlements include recovering $97 million in a breach of trust case, $6.6 million in a legal malpractice case, $4.8 million in a legal malpractice case, $4.5 million in a breach of contract case, $3 million in a commercial construction dispute, $2.8 million in an employment dispute, $2.1 million in a legal malpractice action, and $2 million in a lease dispute.
As a meticulous attorney, Mr. Wilson brings to court an eye for detail and a sense of organization essential to winning complex trials.
The Daily Journal, the most widely read legal industry publication, named Mr. Wilson as one of California’s Top Professional Responsibility Lawyers in 2022, 2023, 2024, and 2025. Mr. Wilson has been selected to the Southern California Super Lawyers® list since 2005. From 2017 to the present, he has been listed in the Super Lawyers® Top 50 Orange County List. Mr. Wilson has also been listed in the Super Lawyers® Top 100 Southern California List from 2019 to the present. He achieved an “AV” rating from Martindale-Hubbell, denoting the highest level of professional excellence from his peers. Since 2015, Mr. Wilson has been listed in Best Lawyers, and Best Lawyers named Mr. Wilson “2021 and 2023 Trial Lawyer of the Year” in trade secrets law. Best Lawyers is the oldest and most respected peer-review publication in the legal profession.
Mr. Wilson was the Chair of the Orange County Bar Association’s (“OCBA”) Business Litigation section, the largest section in the OCBA. He was elected to serve on the Board of Directors for the Orange County Trial Lawyers Association (“OCTLA”) and remained on the Board for several years.
In 2019, OCTLA named Mr. Wilson “Trial Lawyer of the Year” in legal malpractice. OCTLA previously named him as a finalist for the “Business Litigation Trial Lawyer of the Year.” In addition, OCTLA twice-recognized Mr. Wilson as “Board Member of the Year” for his contributions to the organization and the legal profession.
From 2016 to 2020, Mr. Wilson was a California State Bar Special Deputy Prosecutor, prosecuting State Bar complaints when the State Bar had conflicts of interest. From 2018 to 2023, he served on the Board of Governors of the Orange County Chapter of the Association of Business Trial Lawyers. From 2016 to 2022, Mr. Wilson served on the Loyola Law School Board of Directors.
Mr. Wilson is a frequent lecturer to bar organizations on modern trial techniques and legal ethics and has authored several articles on trial practice. In 2018, the State Bar of California Board of Legal Specialization certified him as a specialist in legal malpractice law.
In 2020, Mr. Wilson was selected to America’s Top 100 Bet-the-Company Litigators®. Selection to America’s Top 100 Bet-the-Company Litigators® is by invitation only and is reserved to identify the nation’s most exceptional trial attorneys in high-stakes business litigation matters.
Mr. Wilson obtained his Juris Doctor degree from Loyola Law School in 1988 and graduated from the University of Southern California in 1985. He was selected to be on Loyola’s Moot Court team and participated in Loyola’s trial advocacy program which U.S. News and World Report ranked as a top 10 program in the nation. Mr. Wilson began trying cases in law school in a program sponsored by the Los Angeles County District Attorney’s Office.
