John de Leon, Business Attorney in Rancho Cucamonga, California
Over 18 years of legal practice · focused on Business, Contracts, and Employment
Rancho Cucamonga, CA
Practicing business in Rancho Cucamonga since 2008.
- 18+
- Years practicing
- 1
- Bar admission
Are you John de Leon?
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Quick answer
John de Leon is an attorney based in Rancho Cucamonga, CA. The practice focuses on Business, Contracts, and Employment. John has over 18 years of legal experience.
- Based in
- Rancho Cucamonga, CA
- Experience
- over 18 years
- Known for
- Business · Contracts · Employment
- Handles Business, Contracts, and Employment matters from Rancho Cucamonga, CA.
- Over 18 years of practice as a licensed attorney.
About John de Leon: John de Leon is an attorney based in Rancho Cucamonga, CA. The practice focuses on Business, Contracts, and Employment. John has over 18 years of legal experience.
Areas of practice
Legal matters John takes on
John concentrates on business, contracts, employment, general, and government. Each area below outlines the kind of case John handles, typical outcomes to expect, and how the intake process starts.
Business
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Contracts
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Employment
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General
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Government
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IP
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Litigation
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Personal Injury
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Probate
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Trusts
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Business cases in Rancho Cucamonga, California
John takes business matters in Rancho Cucamonga, 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 John agrees to represent you.
Contracts cases in Rancho Cucamonga, California
John takes contracts matters in Rancho Cucamonga, 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 John agrees to represent you.
Employment cases in Rancho Cucamonga, California
John takes employment matters in Rancho Cucamonga, 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 John agrees to represent you.
General cases in Rancho Cucamonga, California
John takes general matters in Rancho Cucamonga, 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 John agrees to represent you.
Government cases in Rancho Cucamonga, California
John takes government matters in Rancho Cucamonga, 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 John agrees to represent you.
Biography
Meet John de Leon — business lawyer in Rancho Cucamonga
John de Leon is an attorney based in Rancho Cucamonga, CA. The practice focuses on Business, Contracts, and Employment. John has over 18 years of legal experience.
John de Leon is a lawyer practicing business law, commercial law, contracts and 8 other areas of law. John received a degree from UC Berkeley SOL Boalt Hall, Berkeley, CA, and has been licensed for 18 years. John practices in Rancho Cucamonga, CA.
Working with John on a business matter
John de Leon is a lawyer practicing business law, commercial law, contracts and 8 other areas of law. John received a degree from UC Berkeley SOL Boalt Hall, Berkeley, CA, and has been licensed for 18 years. John practices in Rancho Cucamonga, CA.
Clients John works with
John reviews new inquiries case-by-case for business, contracts, and employment matters in Rancho Cucamonga and the surrounding California area.
Credentials
Education, bar admissions, and languages
University of California at Berkeley, Boalt Hall School of Law
JD · 2008
UC Berkeley SOL Boalt Hall, Berkeley, CA Univ of Southern Calif, Los Angeles, CA
—
Jurisdictions
John's state bar admissions
California
2008 · ACTIVE
John studied at JD in University of California at Berkeley, Boalt Hall School of Law and — in UC Berkeley SOL Boalt Hall, Berkeley, CA Univ of Southern Calif, Los Angeles, CA.
Law school and academic background
John completed JD in University of California at Berkeley, Boalt Hall School of Law and — in UC Berkeley SOL Boalt Hall, Berkeley, CA Univ of Southern Calif, Los Angeles, CA. Formal legal training is one signal of substantive knowledge — the day-to-day practice John runs in California is where that training gets applied to real client questions.
Locations
John de Leon's office in Rancho Cucamonga
John's primary office is at 9035 Haven Ave., Rancho Cucamonga, CA, 91730. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of John de Leon
John 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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Schedule your consultationHiring guide
How to hire John de Leon — what to expect in your first consultation
Working with a new business attorney should feel structured. Here's how the first two conversations with John usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
John charges for the initial consult. That fee is credited toward representation if you retain John'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; John will tell you what matters and what doesn't.
Questions to ask a business attorney in Rancho Cucamonga, 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 John
John 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. John confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
John'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 John de Leon
How much does it cost to hire John for a business case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. John walks through the likely range during the consult so there are no surprises.
Does John offer a free consultation?
John charges for the initial consult; that fee is credited toward representation if you retain John's office. Some business attorneys offer free consults — check John'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. John gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can John take my case if I'm outside Rancho Cucamonga?
John 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 — John 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 John?
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. John will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is John accepting new business clients right now?
John'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 Rancho Cucamonga, Los Angeles and San Francisco in California
John handles business matters throughout California. Each city below is a direct link into the search page for verified business attorneys in that community.
- Rancho Cucamonga469 attorneys
- Los Angeles39,975 attorneys
- San Francisco26,380 attorneys
- San Diego16,903 attorneys
- Sacramento10,561 attorneys
- Irvine6,831 attorneys
- Oakland5,709 attorneys
- San Jose5,009 attorneys
- Palo Alto4,084 attorneys
- Beverly Hills3,348 attorneys
- Newport Beach3,106 attorneys
- Pasadena2,894 attorneys
More counsel
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