Atty. Mark B. Wilson
A seasoned trial attorney and skilled negotiator, Mark B. Wilson has won nearly every case he has tried and arbitrated.
Commercial Litigation & More Attorney · Serving Newport Beach, CA · 38+ Years Experience
Profile Summary
About Mark B. Wilson at a Glance
Mark B. Wilson is a business, real estate, ip, trade secrets, and estate litigation attorney based in Newport Beach, California, practicing at Klein & Wilson. They have 38+ years of legal experience, licensed to practice since 1988. Admitted to practice in California (1988). Educated at Loyola Marymount University (—, 1988) and University of Southern California (—, 1985). Recognitions include Best Lawyers in America — Commercial Litigation (2026), Best Lawyers in America — Ethics and Professional Responsibility Law (2026), and Best Lawyers in America — Legal Malpractice Law - Plaintiffs (2026). Serves clients in Newport Beach, CA and the surrounding metropolitan area.
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About Mark B. Wilson
- 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
- 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, 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
- 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 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
Practice Areas Explained
Mark B. Wilson's Areas of Legal Practice
Each practice area below reflects the types of cases Mark B. Wilson handles, with a practical overview of what that area of law involves and how it may apply to your situation in Newport Beach.
Business & Corporate Law in Newport Beach
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
Mark B. Wilson is one of 497,491 business attorneys indexed nationally. Browse business attorneys in California →
Real Estate Law in Newport Beach
Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.
Mark B. Wilson is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in California →
Intellectual Property in Newport Beach
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
Mark B. Wilson is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in California →
Trade Secrets in Newport Beach
Mark B. Wilson is one of 6,604 trade secrets attorneys indexed nationally. Browse trade secrets attorneys in California →
Estate & Trust Litigation in Newport Beach
Mark B. Wilson is one of 19,876 estate litigation attorneys indexed nationally. Browse estate litigation attorneys in California →
Jurisdictional Context
Why Local Counsel Matters in Newport Beach
Practicing law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Newport Beach are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in California courts without local counsel or pro hac vice admission.
Newport Beach Courts and Legal Process
Choosing a Newport Beach-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional California attorneys? Browse all attorneys in Newport Beach or all attorneys in California.
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Professional Profile
Why Clients in Newport Beach Choose Mark B. Wilson
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Mark B. Wilson's practice in the field of business, real estate, ip, trade secrets, and estate litigation.
Decade-Tested Legal Experience
Mark B. Wilson brings 38+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Broad Practice Area Coverage
Covering business, real estate, and ip, Mark B. Wilson can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Newport Beach
A Newport Beach-based practice means Mark B. Wilson attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues Mark B. Wilson Handles in Newport Beach
Below is a representative sample of the types of matters Mark B. Wilson has experience with under California law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact Mark B. Wilson directly to discuss the specifics of your situation.
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How People Find Mark B. Wilson Online
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Mark B. Wilson's Practice Areas & Specializations
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