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Jon Mark Leader, Business Attorney in Los Angeles, California

Over 39 years of legal practice · focused on Business, General, and Litigation · 5.0/5 rating from 1 verified client review

PartneratLeader Gorham Llp

Los Angeles, CA

Practicing business in Los Angeles since 1987.

39+
Years practicing
5.0 ★
1 client review
4
Bar admissions

Are you Jon Mark Leader?

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Quick answer

Jon Mark Leader is a partner based in Los Angeles, CA. The practice focuses on Business, General, and Litigation. Jon has over 39 years of legal experience. Currently practicing at Leader Gorham Llp. Rated 5.0 out of 5 from 1 client review.

Based in
Los Angeles, CA
Experience
over 39 years
Known for
Business · General · Litigation
  • Handles Business, General, and Litigation matters from Los Angeles, CA.
  • Over 39 years of practice as a licensed attorney.
  • Recognized with AV Preeminent.

About Jon Mark Leader: Jon Mark Leader is a partner based in Los Angeles, CA. The practice focuses on Business, General, and Litigation. Jon has over 39 years of legal experience. Currently practicing at Leader Gorham Llp. Rated 5.0 out of 5 from 1 client review.

Areas of practice

Jon's practice areas in Los Angeles

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

Business cases in Los Angeles, California

Jon takes business matters in Los Angeles, 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 Jon agrees to represent you.

General cases in Los Angeles, California

Jon takes general matters in Los Angeles, 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 Jon agrees to represent you.

Litigation cases in Los Angeles, California

Jon takes litigation matters in Los Angeles, 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 Jon agrees to represent you.

Biography

Jon Mark Leader, business attorney serving Los Angeles

Jon Mark Leader is a partner based in Los Angeles, CA. The practice focuses on Business, General, and Litigation. Jon has over 39 years of legal experience. Currently practicing at Leader Gorham Llp. Rated 5.0 out of 5 from 1 client review. Jon works from Los Angeles, California and takes on business matters across the region.

Jon Mark Leader is a lawyer practicing commercial, civil litigation, transactional. Jon received a B.A. degree from Tulane University in 1983, and has been licensed for 39 years. Jon practices at Leader Gorham LLP in Los Angeles, CA.

Jon's approach to business cases

Jon Mark Leader is a lawyer practicing commercial, civil litigation, transactional. Jon received a B.A. degree from Tulane University in 1983, and has been licensed for 39 years. Jon practices at Leader Gorham LLP in Los Angeles, CA.

Clients Jon works with

Jon reviews new inquiries case-by-case for business, general, and litigation matters in Los Angeles and the surrounding California area.

Credentials

Credentials — where Jon studied and practices

  • George Washington University

    J.D. · 1986

  • Tulane University

    B.A. · 1983

Jurisdictions

Jon's state bar admissions

  • California

    1990 · ACTIVE

  • U.S. District Court,

    1990 · ACTIVE

  • Colorado

    1987 · ACTIVE

  • U.S. District Court,

    1987 · ACTIVE

Jon studied at J.D. in George Washington University and B.A. in Tulane University.

Law school and academic background

Jon completed J.D. in George Washington University and B.A. in Tulane University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Jon runs in California is where that training gets applied to real client questions.

Recognition

Jon's legal honors and published work

Jon has received 1 formal recognition from bar associations, industry bodies, and peer-review services.

  • AV Preeminent

Legal awards and honors

AV Preeminent.

Affiliations

Jon's professional memberships and bar associations

  • Beverly Hills, Los Angeles County, Colorado and American Bar Associations State Bar of California Association of Business Trial Lawyers

    membership

Locations

Jon Mark Leader's office in Los Angeles

Jon's primary office is at 1990 S. Bundy Dr., Ste. 390, Los Angeles, CA, 90025. In-person meetings are by appointment; a phone intake usually comes first.

Main office

Leader Gorham Llp

1990 S. Bundy Dr., Ste. 390

Los Angeles, CA 90025

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Client feedback

Client reviews of Jon Mark Leader — 5.0/5 rating from 1 verified client review

Every review below is from a verified client of Jon. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing business attorneys in Los Angeles.

5.0

1 client review

Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Jon Mark Leader claims this profile.

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Hiring guide

How to hire Jon Mark Leader — what to expect in your first consultation

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

Consultation formats and pricing

Jon charges for the initial consult. That fee is credited toward representation if you retain Jon'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; Jon will tell you what matters and what doesn't.

Questions to ask a business attorney in Los Angeles, 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 Jon

Jon 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. Jon confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

Jon'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 Jon Mark Leader

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

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

  • Does Jon offer a free consultation?

    Jon charges for the initial consult; that fee is credited toward representation if you retain Jon's office. Some business attorneys offer free consults — check Jon'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. Jon gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can Jon take my case if I'm outside Los Angeles?

    Jon 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 — Jon 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 Jon?

    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. Jon will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is Jon accepting new business clients right now?

    Jon'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 Los Angeles, San Francisco and San Diego in California

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

More counsel

If Jon's intake is full or the fit isn't right, these business attorneys in Los Angeles handle similar matters. Every profile below is verified and open to consultations.