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Mark B. Wilson

Mark B. Wilson

Partner, Klein & Wilson
Newport Beach, California

A seasoned trial attorney and skilled negotiator, Mark B. Wilson has won nearly every case he has tried or arbitrated.  In fact, he has lost only one jury trial but then obtained a complete reversal in an 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 and his partner have recovered over $100 million in plaintiffs' cases and have won defense verdicts in "bet the company" cases where millions of dollars were at stake.  As a meticulous attorney, he brings to court an eye for detail and a sense of organization essential to winning complex trials.  Read more about the significant results Mr. Wilson has achieved.

Mr. Wilson has been selected to the Southern California Super Lawyers® list since 2005, and in 2017, he was listed in the Super Lawyers® Top 50 Orange County list.  Mr Wilson is also 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.

In 2002, 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 2006, OCTLA selected Mr. Wilson 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.  Mr. Wilson was the 2016 Chair of the Orange County Bar Association's ("OCBA") Business Litigation section, the largest section in the OCBA.  In 2016, the California State Bar appointed Mr. Wilson to serve as a Special Deputy Trial Counsel.  In 2017, Mr. Wilson became a Mandatory Fee Arbitration arbitrator for the Orange County Bar Association.

Mr. Wilson is a frequent lecturer to bar organizations on modern trial techniques and legal ethics and has authored several articles on trial practice.  He is also a contributing author to one of the leading legal treatises on construction law.

Mr. Wilson obtained his Juris Doctorate 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 District Attorney's office.

Since 2015, Mr. Wilson has been listed in Best Lawyers, the oldest and most respected peer-review publication in the legal profession.  In 2016, Mr. Wilson was appointed to the Loyola Law School Board of Directors.

Areas of Practice:

Published Works:

Honors and Awards:

Bar Admissions

  • California, 1988
  • U.S. District Court Central District of California, 1988
  • U.S. District Court Northern District of California, 1988
  • U.S. District Court Southern District of California, 1988
  • U.S. District Court Eastern District of California, 1988
  • U.S. Court of Appeals 9th Circuit, 1989


  • Loyola Law School, Los Angeles, California
    • J.D. - 1988
    • Honors: Scott Moot Court Honors Board, 1987-1988
    • Honors: Jurisprudence Book Award, Legal Research and Writing, 1986
  • University of Southern California, Los Angeles, California
    • B.S. - 1985
    • Major: Public Administration


  • Lecturer, Winning Attorney-Client Fee Disputes, Orange County Bar Association, 2017
  • Lecturer, Mistakes Lawyers Make Regarding Structured Settlements, Annual Convention of Society of Settlement Planners, 2016
  • Lecturer, How to Use Multimedia to Make Closing Arguments More Convincing, Provisors' Lawyers and Legal Professionals Affinity Group, 2015
  • Lecturer, Using Multimedia to Maximize Impact, Orange County Bar Association, 2014
  • Lecturer, Capturing the Audience’s Attention with Multimedia, Orange County Women Lawyers Association, 2014
  • Lecturer, How to Avoid Legal Malpractice, AttorneyCredits.com, 2014
  • Lecturer, Eye Popping Multi-Media at Trial, Orange County Trial Lawyers Association, 2014
  • Lecturer, Ethics & Etiquette - Tips to Avoid Malpractice Claims and Build Business Relationships, Orange County Bar Association, Banking and Lending Section, 2013 - 2014
  • Lecturer, How to Avoid Legal Malpractice Claims / Common Mistakes in Legal Malpractice Cases, Orange County Bar Association, Real Estate Section, 2013
  • Lecturer, Effective Use of Multimedia for Mediation and Trial, Robert A. Banyard Inn of Court, 2013
  • Lecturer, Cumis Counsel Issues for the Business Litigator, Orange County Bar Association, 2010
  • Lecturer, Using Video Technology in Case Management, Deposition & Trial, Orange County Trial Lawyers Association, 2009
  • Lecturer, How to Present a Multimedia Closing Argument, Orange County College of Trial Advocacy, 2009
  • Lecturer, Technology Weapons Every Business Lawyer Must Learn to Use at Trial, Association of Business Trial Lawyers, 2008
  • Lecturer, How to Conduct Voir Dire, Orange County College of Trial Advocacy, 2007
  • Lecturer, How to Take a Videotaped Deposition and Get it Into Evidence, Orange County Trial Lawyers Association, 2006
  • Lecturer, Modern Evidence Techniques and Technology, Lorman Seminar, 2005
  • Lecturer, Damages in a Commercial Case, Lorman Seminar, 2003
  • Lecturer, How to Conduct Voir Dire, Orange County Bar Association, 2003
  • Lecturer, Latest Trends in Jury Selection, Orange County Trial Lawyers Association, 2003
  • Lecturer, Mock Trials - Everything You Ever Wanted to Know, Orange County Trial Lawyers Association, 2002
  • Lecturer, Litigation in the 21st Century - How to Present a Multimedia Trial, Orange County Trial Lawyers Association, 2001
  • Lecturer, Trying the Business Case on a Contingency Fee Basis, State Bar of California, 2000
  • Lecturer, Everything You Ever Wanted to Know About Mock Trials and Focus Groups, Orange County Bar Association, Business Litigation Section, 2000
  • Lecturer, Construction Issues, California State University and American Society of Professional Estimators
  • Lecturer, Litigation in the 21st Century, State Bar of California

Professional Associations and Memberships

  • Orange County Trial Lawyers Association, Board of Directors 2002 - 2008, Member 2009 - Present
  • Banyard Inn of Court, Master Bencher, 2000 - Present
  • Association of Business Trial Lawyers, Member, 2004 - Present
  • Orange County Bar Association, Member, 1994 - Present

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Klein & Wilson

Klein & Wilson
4770 Von Karman Avenue
Newport Beach, CA 92660

Newport Beach Law Office Map Phone: 949-631-3300
Toll Free: 877-857-0073
Fax: 949-631-3703

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