Klein & Wilson LLP

Business Law | Serving Newport Beach, CA
949-239-0907Klein & Wilson is the top business litigation and legal malpractice law firm in Orange County, California when millions of dollars are at stake.
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Trial Lawyers With Decades Of Courtroom Experience
Klein & Wilson is an award-winning trial firm in Newport Beach, California, that has produced giant results. The firm has recovered almost $300 million for clients in plaintiffs’ cases and saved almost $1.5 billion in defendants’ cases. Klein & Wilson‘s clients receive the same quality representation large firms provide, with the added benefit of tremendous trial experience. Moreover, Klein & Wilson’s clients receive close personal attention and cost-efficiency not generally found in large firms.
Contact Klein & Wilson today if you need legal assistance with any of the following:
- Business Litigation
- Partnership Disputers
- Shareholder Disputes
- LLC and LLP Disputes
- Intellectual Property Litigation
- Legal Malpractice
- Real Estate Litigation
- Accounting Malpractice
Call 949-239-0907 today to arrange your consultation.
Attorney Mark B. Wilson
Bar Admissions:
- California, 1988
- U.S. Court of Appeals for the Ninth Circuit, 1989
- 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. District Court, Central District of California, 1988
Education:
- Loyola Law School, Los Angeles, California
- J.D. – 1988
- University of Southern California, Los Angeles, California
- B.S. – 1985
Professional Memberships and Achievements:
- California certified specialist in Legal Malpractice Law, 2018 to Present
- Association of Business Trial Lawyers, Board of Governors, 2017 to Present
- Loyola Law School, Board of Directors, 2016 to Present
- Business Litigation Section of Orange County Bar Association, Chair, 2016
- Association of Business Trial Lawyers, Member, 2004 to Present
- Orange County Trial Lawyers Association, Board of Directors 2002 to 2008 Member, 1996 to Present
- Banyard Inn of Court, Master Bencher, 2000 to Present
- Orange County Bar Association, Member, 1994 to Present
Honors and Awards:
- 2021 Best Lawyers Trial Lawyer of the Year – Trade Secrets
- America’s Top 100 Bet-the-Company Litigators®
- America’s Top 100 Attorneys
- AVVO Rating 10.0 Superb
- Best Lawyers, 2015 – Present
- Super Lawyers®, Top 50 Orange County List, 2017 – 2021
- Super Lawyers®, Top 100 Southern California List, 2019 – 2021
- Super Lawyers®, 2005 – Present
- Trial Lawyer of the Year, Legal Malpractice, Orange County Trial Lawyers Association, 2019
- Top Lawyer, Coast Magazine (January 2016)
- AV Rating, the Highest Rating for Skill and Ethics by Martindale-Hubbell
- OC’s Top Attorneys – Raising the Bar and Setting New Precedents, OC Metro (2013)
- OC’s Most Notable Lawyers, OC Metro (August 2012)
- The Dean’s List – OC’s Top Attorneys, OC Metro (August 2011)
- The Legal Eagles – OC’s Top Attorneys, OC Metro (August 2010)
- Super Lawyers®, Corporate Counsel Edition, 2008
Attorney Michael S. LeBoff
Bar Admissions:
- California, 1999
- U.S. District Court Central District of California, 1999
- U.S. Court of Appeals 9th Circuit, 2001
- U.S. District Court Southern District of California, 2001
- U.S. District Court Northern District of California, 2002
- U.S. District Court Eastern District of Wisconsin, 2002
- U.S. District Court Eastern District of California, 2004
Education:
- Loyola Law School, Los Angeles, California
- J.D. – 1999
- University of Redlands, Redlands, California
- B.A. – 1996
Professional Memberships and Achievements:
- American Bar Association, Section of Litigation, Professional Liability Litigation Committee, Co-Chair 2019 – present
- American Bar Association, Section of Litigation, Commercial and Business Litigation Committee, Co-Chair 2016 – 2019
- Orange County Bar Association, Director 2020-Present
- Orange County Bar Association, Audit Committee, 2020 – Present
- Orange County Bar Association, Business Litigation Section, Chair 2019
- Orange County Bar Association, Banking and Lending Section, Chair 2014
Honors and Awards:
- Best Lawyers, 2021 – Present
- AVVO Rating 10.0 Superb
- Super Lawyers®, 2018-Present
Attorney Joseph V. Miceli
Bar Admissions:
- California, 2008
- United States District Court for the Central District of California, 2014
- United States District Court for the Southern District of California, 2015
Education:
- Ave Maria School of Law, Ann Arbor, MI
- J.D. -2007
- Honors: cum laude
- Thomas More College of Liberal Arts, Merrimack, NH
- B.A. - 2003
- Major: literature
Professional Memberships and Achievements:
- Orange County Bar Association, Member, 2008-2010; 2020 to Present
- Association of Business Trial Lawyers, Member, 2020 to Present
- St. Thomas More Society of Orange County, Board Member, 2019 to Present
Attorney William P. Keith
Bar Admissions:
- California, 2010
- Florida, 2008
- U.S. Court of Appeals for the Ninth Circuit
- U.S. District Court, Southern District of California
- U.S. District Court, Central District of California
- U.S. District Court, Northern District of California
- U.S. District Court, Eastern District of California
- U.S. District Court, Middle District of Florida
- U.S. District Court, Southern District of Florida
Education:
- Florida State University College of Law, Tallahassee, Florida
- J.D., cum laude – 2008
- Honors: Order of the Coif
- Member, Journal of Land Use & Environmental Law
- Member, Journal of Transactional Law & Policy
- University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
- B.S. – 2004
- Honors: magna cum laude
- Major: Business Administration
Professional Memberships and Achievements:
- Association of Business Trial Lawyers, Orange County Chapter, Member, 2022-present
- Association of Business Trial Lawyers, San Diego Chapter, Member, 2012-2022
- Orange County Bar Association
- Louis M. Welsh American Inn of Court, San Diego, Alumnus
Honors and Awards:
- Super Lawyers®, 2024
- Super Lawyers, Rising Star, 2015-2021
- Top Lawyer, San Diego Magazine, 2018-2022
- Martindale-Hubbell AV Preeminent Rated
- Pro Bono Publico Award, Casa Cornelia Law Center, 2016
- Avvo Rated 10 out of 10
Attorney Brian M. Kelly
Bar Admissions:
- California, 2013
- U.S. District Court Central District of California, 2014
Education:
- University of California at Los Angeles School of Law, Los Angeles, California
- J.D. – 2013
- University of California, San Diego
- B.A. – 2008
Professional Memberships and Achievements:
- Orange County Bar Association, Member
- Association of Business Trial Lawyers, Member
Honors and Awards:
- Best Lawyers, Ones to Watch, 2021 – 2022
- Super Lawyers®, Rising Star, 2020 – 2021
Attorney Hannah B. Stetson
Bar Admissions:
- California, 2019
- U.S. District Court Central District of California, 2019
- U.S. District Court Southern District of California, 2019
Education:
- Fowler School of Law, Chapman University, Orange, California
- J.D. – 2019
- Honors: cum laude
- University of Southern California
- B.A. – 2015
- Honors: magna cum laude
Professional Memberships and Achievements:
- Association of Business Trial Lawyers, Member, 2019 to Present
- Orange County Bar Association, Member, 2019 to Present
- Orange County Bar Association, Young Lawyers Division, Member, 2019 to Present
Attorney Manoah S. Marton
Bar Admissions:
California, 2021
United States District Court for the Central District of California, 2023
Education:
- University of California at Los Angeles (UCLA) School of Law, Los Angeles, California
- J.D. – 2021
- Honors: 2019 Blackstone Fellow
- Law Review: UCLA Law Review, Managing Editor
- Concordia University, Irvine, California
- B.A. – 2018
- Honors: summa cum laude
- Honors: 2015 NPDA National Championship
- Major: History & Political Thought
- Minor: Philosophy
Professional Memberships and Achievements:
- Association of Business Trial Lawyers, Member, 2021 to Present
- Orange County Bar Association, Member, 2021 to Present
- Federal Bar Association, Young Lawyers Division, Board Member, 2021 to Present
- Celtic Bar Association, Member, 2023 to Present
Honors and Awards:
- Best Lawyers, Ones to Watch, 2023 – Present
Attorney Gerald A. Klein
Bar Admissions:
- California, 1982
- U.S. Supreme Court, 1986
- U.S. Court of Appeals 9th Circuit, 1986
- U.S. Court of Appeals 6th Circuit, 2017
- U.S. District Court Central District of California, 1984
- U.S. District Court Northern District of California, 1999
- U.S. District Court Southern District of California, 2010
Education:
- University of California at Los Angeles (UCLA) School of Law, Los Angeles, California, 1982
- J.D.
- Honors: Russell P. Serber Memorial Scholar
- State University of New York, Albany, New York, 1978
- B.A.
- Honors: magna cum laude
- Honors: New York State Regents Scholar
- Honors: Phi Alpha Theta Award for History and Classics
- Major: Greek and Roman Classics and History
Attorney Eric A. Ybarra
Bar Admissions:
- California, 2021
- U.S. District Court Central District of California, 2021
- U.S. District Court Northern District of California, 2024
Education:
- Fowler School of Law, Chapman University, Orange, California, 2020
- J.D.
- Honors: St. Thomas More Society, 2018-2020
- Honors: CALI award for the highest-class grade in Federal Courts and Jurisdiction, 2019
- Pennsylvania State University, 2017
- B.A.
- Honors: cum laude
- Major: Criminology
Since 1997, the "Lead Counsel Verified" status has been granted to attorneys who possess:
- The Right Professional Experience
- A Spotless Record
The following attorneys at this firm are Lead Counsel Verified:

Mark B. Wilson
This attorney practices in California and is Lead Counsel Verified in the following practice areas:
Practice Area | Year |
---|---|
Legal Malpractice | Since 2022 |