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Michael S. LeBoff, Business Attorney in Newport Beach, California

Over 27 years of legal practice · focused on Business, Estate Litigation, and General

Klein & Wilson

Newport Beach, CA

Practicing business in Newport Beach since 1999.

27+
Years practicing
1
Bar admission

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Quick answer

Michael S. LeBoff is an attorney based in Newport Beach, CALIFORNIA. The practice focuses on Business, Estate Litigation, and General. Michael has over 27 years of legal experience. Currently practicing at Klein & Wilson.

Based in
Newport Beach, CALIFORNIA
Experience
over 27 years
Known for
Business · Estate Litigation · General
  • Handles Business, Estate Litigation, and General matters from Newport Beach, CALIFORNIA.
  • Over 27 years of practice as a licensed attorney.
  • Recognized with Best Lawyers in America — Commercial Litigation (2026).

About Michael S. LeBoff: Michael S. LeBoff is an attorney based in Newport Beach, CALIFORNIA. The practice focuses on Business, Estate Litigation, and General. Michael has over 27 years of legal experience. Currently practicing at Klein & Wilson.

Areas of practice

Legal matters Michael takes on

Michael concentrates on business, estate litigation, general, litigation, and real estate. Each area below outlines the kind of case Michael handles, typical outcomes to expect, and how the intake process starts.

Business cases in Newport Beach, California

Michael takes business matters in Newport Beach, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Michael agrees to represent you.

Estate Litigation cases in Newport Beach, California

Michael takes estate litigation matters in Newport Beach, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Michael agrees to represent you.

General cases in Newport Beach, California

Michael takes general matters in Newport Beach, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Michael agrees to represent you.

Litigation cases in Newport Beach, California

Michael takes litigation matters in Newport Beach, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Michael agrees to represent you.

Real Estate cases in Newport Beach, California

Michael takes real estate matters in Newport Beach, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Michael agrees to represent you.

Biography

Meet Michael S. LeBoff — business lawyer in Newport Beach

Michael S. LeBoff is an attorney based in Newport Beach, CALIFORNIA. The practice focuses on Business, Estate Litigation, and General. Michael has over 27 years of legal experience. Currently practicing at Klein & Wilson.

Michael S. LeBoff brings more than 25 years of trial practice to Klein & Wilson, handling and winning high-stakes trials and arbitrations.

Michael represents clients of all sizes in a wide variety of business cases, including shareholder, partnership and joint venture disputes, trade secret claims, fraud, breach of contract, business torts, real estate, attorney fee disputes and legal malpractice actions.

Michael attended Loyola Law School on a full academic scholarship, graduating second in his class of nearly 400 students. At Loyola, Michael received countless academic awards and served as an editor for the Loyola Law Review.

After graduating from law school, Michael clerked for the former Chief Judge of the Central District of California, Manuel L. Real, where he saw first-hand the importance of being prepared when entering the courtroom. Following his clerkship, Michael developed his trial skills working at some of the finest law firms in Orange County where he had the opportunity to go up against Klein & Wilson in a complex joint venture litigation. Having developed mutual respect for each other’s skills and civility, Michael joined Klein & Wilson in 2016. Less than two years later, he was named the first new partner in the firm’s 25-year history.

Michael also served as in-house litigation counsel a large, nationwide financial services companies. As in-house counsel, he managed nationwide litigation and worked daily with outside counsel to develop and implement cost-effective litigation strategies. Michael also reviewed and approved outside counsel bills and reported to senior management on significant litigation activities. In this role, Michael learned the importance of billing efficiencies and litigation results.

In 2019, Michael was elected to the Orange County Bar Association’s (“OCBA”) Board of Directors and reelected to a second term in 2022. He currently co-chairs the OCBA’s Education Committee and serves on the Professionalism & Ethics Committee. Michael also served on the OCBA’s Audit Committee and chaired the OCBA’s Business Litigation and Banking and Lending sections. Michael also serves on the Ethics Committee of the California Lawyers Association.

Michael also serves on Council for the American Bar Association’s Litigation Section. Michael previously served as a co-chair of the Commercial and Business Litigation and Professional Liability Litigation committees of the ABA’s Litigation Section and co-chaired the Section’s Young Lawyers Leadership Program.

Michael frequently speaks and writes on topics relating to legal malpractice and legal ethics.

Out of the office, Michael is a husband with two daughters and one granddaughter. Michael is a die-hard Las Vegas Raiders fan, a fantasy sports athlete, and a recreational poker player.

How Michael handles business matters

Michael S. LeBoff brings more than 25 years of trial practice to Klein & Wilson, handling and winning high-stakes trials and arbitrations. Michael represents clients of all sizes in a wide variety of business cases, including shareholder, partnership and joint venture disputes, trade secret claims, fraud, breach of contract, business torts, real estate, attorney fee disputes and legal malpractice…

The kind of cases Michael takes

Michael reviews new inquiries case-by-case for business, estate litigation, and general matters in Newport Beach and the surrounding California area.

Credentials

Education, bar admissions, and languages

  • Loyola Marymount University

    J.D. · 1999

  • University of Redlands

    B.A. Government · 1996

Jurisdictions

Michael's state bar admissions

  • California

    1999 · ACTIVE

Michael studied at J.D. in Loyola Marymount University and B.A. Government in University of Redlands.

Law school and academic background

Michael completed J.D. in Loyola Marymount University and B.A. Government in University of Redlands. Formal legal training is one signal of substantive knowledge — the day-to-day practice Michael runs in California is where that training gets applied to real client questions.

Recognition

Recognition and thought leadership

Michael has received 12 formal recognitions from bar associations, industry bodies, and peer-review services.

  • Best Lawyers in America — Commercial Litigation

    2026

  • Best Lawyers in America — Legal Malpractice Law - Plaintiffs

    2026

  • Best Lawyers in America — Litigation - Real Estate

    2026

  • Best Lawyers in America — Professional Malpractice Law - Plaintiffs

    2026

  • Best Lawyers in America — Additional Areas of Practice:

    2026

  • Best Lawyers in America — Ethics and Professional Responsibility Law

    2026

  • Best Lawyers in America — Litigation - Intellectual Property

    2026

  • Best Lawyers in America — Trade Secrets Law

    2026

  • Best Lawyers in America — Awards:

    2026

  • Best Lawyers in America — AVVO Rating 10.0

    2026

  • Best Lawyers in America — Super Lawyers, 2018-Present

    2026

  • Best Lawyers in America — Super Lawyers, Top 50 Orange County, 2023-Present

    2026

Legal awards and honors

Best Lawyers in America — Commercial Litigation (2026). Best Lawyers in America — Legal Malpractice Law - Plaintiffs (2026). Best Lawyers in America — Litigation - Real Estate (2026). Best Lawyers in America — Professional Malpractice Law - Plaintiffs (2026). Best Lawyers in America — Additional Areas of Practice: (2026). Best Lawyers in America — Ethics and Professional Responsibility Law (2026).

Locations

Michael S. LeBoff's office in Newport Beach

Michael's primary office is at 4770 Von Karman Avenue, Newport Beach, California, 92660. In-person meetings are by appointment; a phone intake usually comes first.

Main office

Klein & Wilson

4770 Von Karman Avenue

Newport Beach, California 92660

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Client feedback

Client reviews of Michael S. LeBoff

Michael has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.

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Hiring guide

How to hire Michael S. LeBoff — what to expect in your first consultation

Working with a new business attorney should feel structured. Here's how the first two conversations with Michael usually go, from the moment you request a consult to the day representation begins.

Consultation formats and pricing

Michael charges for the initial consult. That fee is credited toward representation if you retain Michael's office.

What to bring to your first meeting

Bring any documents you already have — police reports, medical records, filed pleadings, correspondence from an insurer, a copy of the contract at issue. If you're not sure, err on the side of bringing everything; Michael will tell you what matters and what doesn't.

Questions to ask a business attorney in Newport Beach, California

A short list to run through before you commit: How many business matters have you handled in the last year? What's your fee structure? Who else in the office will work on this? What's your realistic estimate of timeline and range of outcomes? How do I reach you between meetings?

Fees & payment

Fees, payment methods, and consultation options for Michael

Michael discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in business practice — ask which fits.

Hourly rates, contingency fees, and flat-fee options

Every business matter is priced differently. Simple document review might be a flat fee. Injury litigation is often contingency. Complex commercial disputes usually run hourly with a retainer. Michael confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

Michael's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many business practices work with clients on structured schedules.

Frequently asked

Frequently asked questions about Michael S. LeBoff

  • How much does it cost to hire Michael for a business case?

    Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Michael walks through the likely range during the consult so there are no surprises.

  • Does Michael offer a free consultation?

    Michael charges for the initial consult; that fee is credited toward representation if you retain Michael's office. Some business attorneys offer free consults — check Michael's current terms during booking.

  • How long do business cases in California typically take?

    Simple business matters can wrap in a few weeks; disputed cases can run 6–18 months from intake to resolution, longer if the matter goes to trial. Michael gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can Michael take my case if I'm outside Newport Beach?

    Michael is licensed in California. Matters governed by California law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Michael will tell you if the case is a fit or refer you to someone closer to your court.

  • What should I bring to my first meeting with Michael?

    Bring every document that touches the dispute: contracts, correspondence, police or medical reports, filed pleadings, invoices, photographs, insurance letters. Also bring a written timeline of what happened, in your own words. Michael will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is Michael accepting new business clients right now?

    Michael's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.

Areas served

Business attorneys serving Newport Beach, Los Angeles and San Francisco in California

Michael handles business matters throughout California. Each city below is a direct link into the search page for verified business attorneys in that community.

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