Isaac A. Leon is a firm shareholder and member of the firm’s commercial group. He practices primarily in the areas of taxation, mergers and acquisitions, public finance, and general business and corporate law.

His public finance practice includes assisting the New Mexico Finance Authority with taxable and tax-exempt financings as part of its various loan programs. His practice also includes providing counsel to business owners as part of the purchase or sale of their businesses and assisting with private securities offerings under Regulation D. He also represents taxpayers with assisting with gross receipts tax and federal income tax planning as well as in managed audits with the New Mexico Taxation and Revenue Department.

In addition to his J.D. from the University of New Mexico School of Law, cum laude, Isaac holds a Tax LL.M. from the University of Denver Sturm College of Law Graduate Tax Program, an M.B.A. from the University of New Mexico Anderson School of Management, and a Bachelor of Accounting degree from New Mexico State University.

    • “Electronic Signatures and Negotiating Vendor Contracts” April 14, 2022. Independent Community Bankers Association of New Mexico Strategic IT/Operations Conference. Co-presented with Robert J. Johnston, Sutin, Thayer & Browne

    • Note, Amount-In-Controversy In The Tenth Circuit: Providing A Corporate Defendant Even More Power Under CAFA, 48 N.M. L. Rev. 507 (2018).

    • Super Lawyers, Rising Star, Mergers & Acquisitions, Tax, Business & Corporate, 2025

    • Best Lawyers in America, Ones to Watch, Corporate Law, Mergers & Acquisitions, Tax Law, 2024-2025

    • First Place, 20th Annual American Bar Association Law Student Tax Challenge – LL.M. Division, 2021

    • New Mexico Law Review, Citation Editor, 2018-2019

    • Dean’s List, Fall 2016, Fall 2017, Spring 2019

    • Honor Roll, Spring 2017, Spring 2018

    • Research Assistant, Professor Jim Ellis, Spring 2018

    • Research Assistant, Professor Nathalie Martin, Spring 2018

    • Evidence and Trial Practice Tutor, Professor George Bach, Fall 2018

    • Hugh B. Muir Award, Excellence in Tax Law

    • Frederick M. Hart Award, Excellence in Commercial Law

    • Leadership Albuquerque, Class of 2025

    • National Association of Bond Lawyers

    • State Bar of New Mexico Business Law Section, Board of Directors

    • American Bar Association

Admissions:

New Mexico

 

Education:

University of Denver Sturm College of Law Graduate Tax Program, Tax LL.M

University of New Mexico School of Law, J.D.

University of New Mexico Anderson School of Management, M.B.A.

New Mexico State University, Bachelor of Accounting