Mark Wilson

Klein & Wilson LLP

Mark Wilson

Klein & Wilson LLP

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Firm Summary

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. 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 a $18.4 million binding arbitration award, 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 complete defense verdict in a partnership dispute where the client’s existence was at stake, and a complete defense verdict in an indemnity case where millions of dollars were at issue. His settlements include recovering $97 million in a breach of trust 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. He has recovered over $18.5 million in legal malpractice cases.

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 2019, OCTLA named Mr. Wilson “Trial Lawyer of the Year” in legal malpractice. OCTLA previously named Mr. Wilson as a finalist for the “Business Litigation Trial Lawyer of the Year.”

Mr. Wilson has been selected to the Southern California Super Lawyers® list since 2005. Since 2017, he has been on the Super Lawyers® Top 50 Orange County List. Since 2019, he has been on the Super Lawyers® Top 100 Southern California List. Mr. Wilson was recognized as one of the elite trial attorneys in Orange County by OC Register Metro magazine. 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, the oldest and most respected peer-review publication in the legal profession. In 2021 and 2023, Best Lawyers named Mr. Wilson “Trial Lawyer of the Year” in trade secrets law.

Mr. Wilson was the Chair of the Orange County Bar Association’s (“OCBA”) Business Litigation section, the largest section in the OCBA. Mr. Wilson 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 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, Mr. Wilson 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 Mr. Wilson as a specialist in legal malpractice law. There are only four attorneys in Orange County who have this specialization.

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 in the nation. Mr. Wilson began trying cases in law school in a program sponsored by the Los Angeles County District Attorney’s Office.