Gardere Wynne Sewell LLP

The superior capabilities of Gardere begin with more than 230 attorneys in more than 40 areas of practice. Lawyers named the best in America. Skilled litigators who have argued before the Supreme Court. Legal experts who apply their skill and craft on behalf of domestic and international companies, Fortune 500® corporations and private clients.

To this impressive base of expertise, add more than 10,000 years of collective life experience. The insight they don't teach in law school. Competence honed in the boardroom and the courtroom. The real-life, real-people approach used to provide effective counsel.

The combination—the integration—of precedent and perspective, of case law and common sense, of statute and strategy… this is what makes us successful as our clients' legal counsel and invaluable as their partner.

Excellence isn't extraordinary at Gardere. It's our culture.

Practice Emphasis

Lawrence J. Pirtle has more than 40 years of experience as a lawyer. He concentrates his practice in the areas of federal and state taxation; tax and estate planning; wills and trusts; probate, estate and trust administration; tax-exempt organizations; business entity formation; and property and family wealth management and transfers. His practice includes representing clients in tax controversies before the Internal Revenue Service and Texas tax authorities.

Clients and Matters

Mr. Pirtle represents and has represented many individual, business, and institutional clients in matters and transactions of varied scope, size, and complexity within his areas of practice. Mr. Pirtle’s representative matters on behalf of his clients cover a broad range, including:

  • Wealth transfers, wills, trusts and associated planning.
  • Planning, formation, operation and transfers of family business and property ventures, including corporations, partnerships (general and limited), limited liability companies and trusts.
  • Representation of executors and trustees in connection with administration of estates and trusts and related matters.
  • Representation of estate and trust beneficiaries.
  • Federal and state taxation issues and related planning.
  • Controverted tax matters before federal and state tax authorities.
  • Property agreements, pre-and post-marital agreements, and related matters.
  • Charitable planning, family foundations and representation of tax-exempt organizations.


  • M.L.A., University of St. Thomas (1992)
  • J.D., University of Houston Law Center, summa cum laude (1966)
  • B.B.A., University of Houston, magna cum laude (1962)

Contact Gardere Wynne Sewell LLP

Contact Gardere Wynne Sewell LLP

Lawrence J. Pirtle
Of Counsel
1000 Louisiana, Suite 3400
Wells Fargo Plaza
Houston, Texas  77002
Phone: 713.276.5721
Fax: 713.276.6721


Service Area

Statewide service provider in:
  • Texas