Practice Areas
Education
Georgetown University Law Center, LL.M. in Taxation, with distinction, 2016
St. Mary’s University School of Law, J.D., magna cum laude, 2015
Trinity University, M.S. in Accounting, 2012
Trinity University, B.S. in Business Administration, 2011
Honors
Best Lawyers: Ones to Watch in America - Litigation & Controversy - Tax, 2022-2025
Best Lawyers: Ones to Watch in America - Tax Law, 2022-2025
Named Rising Star, Texas Legal Awards 2023
Named “Texas Rising Star” by Texas Super Lawyers, 2022-2024
Scene in S.A., San Antonio’s Best Lawyers, Tax Litigation
Fellow, Texas Bar Foundation
Dean’s List, Georgetown University Law Center
Dean’s List, St. Mary’s University School of Law
Member, John Harlan Society, St. Mary’s University School of Law
Recipient, Ernst & Young Academic Excellence Scholarship
Bar Admissions
Texas
Board Certified Tax Law, Texas Board of Legal Specialization
Court Admissions
U.S. Tax Court
Clerkships
Law Clerk, The Honorable Juan F. Vasquez, United States Tax Court, May 2016 – June 2017
Intern, The Honorable David Alan Ezra, United States District Court for the Western District of Texas, January 2014 – March 2014
Profile
Leo Unzeitig is a shareholder in Chamberlain Hrdlicka’s San Antonio office. He assists with a wide range of federal tax controversy and litigation matters at all stages before the Internal Revenue Service and federal courts. Leo also advises on tax planning and transaction matters, including state and local tax issues.
For several semesters, Leo was an adjunct professor at the University of the Incarnate Word teaching Tax Research. He also regularly enjoys counseling taxpayers through the Tax Court Pro Bono Program sponsored by the State Bar of Texas Tax Section and takes great pride in being a contributing member of the Texas Society of CPAs Federal Tax Policy Committee.
Before joining Chamberlain Hrdlicka, Leo served as a judicial law clerk to the Honorable Juan F. Vasquez of the U.S. Tax Court in Washington, D.C. Leo is also a Certified Public Accountant and Board Certified in Tax Law by the Texas Board of Legal Specialization.
Certifications
- Certified Public Accountant
- Board Certified in Tax Law by the Texas Board of Legal Specialization
- Graduate of the State Bar of Texas Tax Section Leadership Academy
Professional Affiliations
- Fellow of the Texas Bar Foundation
- Fellow of the San Antonio Bar Foundation
- Federal Bar Association
- Texas Society of Certified Public Accountants
- San Antonio CPA Society
- American Bar Association, Tax Section
- San Antonio Bar Association
- William S. Sessions American Inn of Court
- Federal Tax Policy Committee of the Texas Society of CPAs
About Chamberlain Hrdlicka
Chamberlain Hrdlicka started as a tax boutique firm in 1965. While Chamberlain Hrdlicka has expanded with offices nationwide, the tax practice remains the core strength of the firm, with approximately half of our total lawyers practicing in one of the varied fields of tax law. Many of our attorneys are board certified in tax law or estate planning or related areas and have worked with the IRS, the Department of Justice Tax Division, and the Tax Court. The Firm represents a wide range of large multinationals and public companies, privately held businesses, partnerships and joint ventures, individuals, and estates and tax-exempt organizations in a broad range of business advisory, transactional, litigation, and collection matters.
News
News
- Letter from Chamberlain Hrdlicka's Tax Controversy & Litigation Practice HighlightedAugust 22, 2024
- Best Lawyers in America® recognizes 87 Chamberlain Hrdlicka attorneys in a peer selection process for the 2025 edition of Best Lawyers in AmericaAugust 15, 2024
- Michael Feibus, Kevin Navetta, Kelly Shields, Leo Unzeitig, and Brittney Williams named Texas Rising StarsMarch 21, 2024
- Leo Unzeitig, Shareholder in Chamberlain Hrdlicka’s Tax Controversy Practice in San Antonio Submits Comment Letter to the Internal Revenue Service regarding Proposed Regulations Concerning the IRS Independent Office of Appeals and its Ability to ConsiderDecember 6, 2023
- Patrick W. Martin and Leo Unzeitig Represent Taxpayer Who “Scores Big Win in FBAR Dispute”November 22, 2023
- Leo Unzeitig Recognized by Texas Lawyer as a 2023 Rising StarNovember 13, 2023
- Leo Unzeitig discusses The IRS’s Approach to Enforcing Affordable Care Act Filing Requirements and How to Mount a Defense in recent TXCPA articleSeptember 19, 2023
- Best Lawyers in America® recognizes 87 Chamberlain Hrdlicka attorneys in a peer selection process for the 2024 edition of Best Lawyers in AmericaAugust 17, 2023
- Stuart Clements, Michael Feibus, Kelly Shields, Leo Unzeitig, and Brittney Williams named Texas Rising StarsMarch 22, 2023
- Patrick Martin named Sustaining Life Fellow, and Hobbs Gnaim, Julie Offerman and Brittney Williams named Life FellowsMarch 20, 2023
- Letter released by the Texas Society of CPAs Federal Tax Policy Committee includes comments from Leo UnzeitigMarch 3, 2023
- Article published in the Daily Report highlighted Firm's recent elevationsDaily Report, February 20, 2023
- Attorneys in the Chamberlain Hrdlicka Atlanta, Houston and San Antonio offices elevated to Equity Shareholder and ShareholderFebruary 8, 2023
- Article published in Law360 Pulse highlighted Firm's recent shareholder elevationsLaw360 Pulse, February 8, 2023
- 2022 Texas Super Lawyers includes Chamberlain Hrdlicka AttorneysSeptember 21, 2022
- Best Lawyers in America® recognizes 72 Chamberlain Hrdlicka attorneys in a peer selection process for the 2023 edition of Best Lawyers in AmericaAugust 18, 2022
- Stuart Clements, Tres Gibbs, Jarrod Martin, Michael Overstreet, Kelly Shields, Matt Flores, and Leo Unzeitig named Texas Rising StarsMarch 22, 2022
- Only 182 attorneys in Texas hold Tax Law Board CertificationJanuary 27, 2022
- Best Lawyers in America® selects 54 Chamberlain Hrdlicka Attorneys for Recognition for 2022August 19, 2021
- Chamberlain Hrdlicka Attorneys Recognized by San Antonio Scene MagazineSan Antonio Scene Magazine, August 3, 2020
- Chamberlain Hrdlicka Tax Alert - Paycheck Protection Program (PPP) Loan Forgiveness Tax IssuesMay 21, 2020
- February 18, 2020
- November 6, 2019
- October 26, 2018
- December 2017
Presentations
Seminars & Presentations
- Tax Controversy & IRS Enforcement UpdateNorris Conference Center, August 23, 2024
- International Tax Group Meeting 2024San Antonio, Texas, May 23, 2024
- Chamberlain Hrdlicka will host the Laredo Tax and International Business Planning Seminar at the Laredo Country Club on November 16, 2023Laredo Country Club, 1415 Country Club Drive, November 16, 2023
- Chamberlain Hrdlicka Annual Tax and International Business Planning Seminar will present a variety of important and timely topicsEstancia del Norte Hotel, 37 NE Loop 410 at McCullough, November 8, 2023
- Chamberlain Hrdlicka Brownsville Tax and International Business Planning Seminar at the Rancho Viejo Resort & Country Club on May 25, 2023May 25, 2023
- The University of San Diego School of Law & Chamberlain Hrdlicka International Tax Institute in Mexico City on May 5, 2023Club de Industriales A.C. Mexico City, May 5, 2023
- Chamberlain Hrdlicka will host Laredo Tax and Business Planning Seminar at the Laredo Country Club on November 8, 2022November 8, 2022
- Chamberlain Hrdlicka will have our 5th Annual San Antonio Tax and Business Planning Seminar at The St. Anthony Hotel on November 3, 2022November 3, 2022
- The Houstonian on October 27, 2022
- February 13, 2020
- La Posada Hotel, July 30, 2019
- Wyndham San Antonio Riverwalk, November 28, 2018
- Tax Controversy Update: Judicial Highlights and Taxpayer First Act of 2019, Chamberlain, Hrdlicka, White, Williams & Aughtry 2nd Annual Tax and Business Planning Seminar, November 2019
- Tax Controversy and Tax Reform Update: Recent Developments in Tax Reform (Including Section 199A and Other Issues) and a Review of The New Partnership Audit Rules, Laredo Tax and Business Planning Seminar, July 2019
- Judicial Highlights and the New Partnership Audit Rules, Chamberlain Hrdlicka 1st Annual Tax and Business Planning Seminar, December 2018
- What You Need to Know About the Tax Cuts and Jobs Act, San Antonio CPA Society, February 2018
Publications
Publications
- Leo Unzeitig and Jaime Vasquez's article "Employee Retention Credit Notice Likely Lacks the Force of Law" in Tax NotesTax Notes, November 6, 2023
- Leo Unzeitig article on "Will the IRS Destroy 30 Million Unprocessed Tax Returns Again This Filing Season?"Texas Society of CPAs, March 7, 2022
- Article by Leo Unzeitig on "Changing Tide for IRS Enforcement of Microcaptive Insurance"Texas Society of Certified Public Accountants' Blog, November 22, 2021