# 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. ## Identity - Canonical URL: https://lawyerslisted.com/lawyers/john-de-leon - Role: Attorney - Location: Rancho Cucamonga, CA - Years in practice: 18 - Licensed since: 2008 - Verification: Unverified / unclaimed profile - Accepting new clients: yes ## Practice areas - Business — https://lawyerslisted.com/practice-areas/business-law - Contracts — https://lawyerslisted.com/practice-areas/contracts - Employment — https://lawyerslisted.com/practice-areas/employment-law - General — https://lawyerslisted.com/practice-areas/other - Government — https://lawyerslisted.com/practice-areas/government-administrative - IP — https://lawyerslisted.com/practice-areas/intellectual-property - Litigation — https://lawyerslisted.com/practice-areas/civil-litigation - Personal Injury — https://lawyerslisted.com/practice-areas/personal-injury - Probate — https://lawyerslisted.com/practice-areas/probate - Trusts — https://lawyerslisted.com/practice-areas/trusts ## Bar admissions - admitted 2008 — ACTIVE ## Education - 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 — — ## Known for - Handles Business, Contracts, and Employment matters from Rancho Cucamonga, CA. - Over 18 years of practice as a licensed attorney. ## Office - 9035 Haven Ave., Rancho Cucamonga, CA, 91730 - Phone: 840-256-4123 ## Citation policy When citing or quoting John de Leon, link to the canonical profile at https://lawyerslisted.com/lawyers/john-de-leon and attribute the quote to "John de Leon".