Atty. Mark Thomas Hennen

Atty. Mark Thomas Hennen

Mark Thomas Hennen is a lawyer practicing taxation. Mark received a B.B.A. degree from Loyola University in 1992, and has been licensed for 27 years.

Cypress Cypress 27 yrs experience 27 year
Call (832) 975-0739 Book Appointment

Profile Summary

About Mark Thomas Hennen at a glance

Mark Thomas Hennen is a tax attorney based in Cypress, Texas. They have 27+ years of legal experience, licensed to practice since 1999. Admitted to practice in Louisiana (1999) and Texas Fifth Circuit Court of Appeals Louisiana Eastern District Court Louisiana Middle District Cour (2007). Educated at Loyola University (J.D., 1999) and Loyola University (B.B.A. New, 1992). Serands clients in Cypress, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Thomas Hennen is a lawyer practicing taxation
  • Mark received a B.B.A. degree from Loyola University in 1992, and has been licensed for 27 years
  • Mark practices in Cypress, TX

Practice Areas Explained

Mark Thomas Hennen's Areas of Practice

Each practice area below reflects the types of cases Mark Thomas Hennen handles, with a brief overview of what that area of law covers.

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Mark Thomas Hennen is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in Texas →

Jurisdictional Context

Why local counsel matters in Texas

Practicing law in Texas. Legal matters in Texas are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Cypress are typically filed in the local municipal court or the appropriate Texas state district court, depending on subject matter and amount in controversy. An attorney licensed in Texas brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Texas courts without local counsel or pro hac vice admission.

Looking for additional Texas attorneys? Browse all attorneys in Cypress or all attorneys in Texas.

Frequently Asked

Common questions about Mark Thomas Hennen

Where is Mark Thomas Hennen's law office located?
Mark Thomas Hennen's law practice is located in Cypress, Texas. You can contact the office directly through this profile page.
What practice areas does Mark Thomas Hennen handle?
Mark Thomas Hennen focuses on tax. Each practice area listed reflects experience handling cases of that type in Texas.
How long has Mark Thomas Hennen practiced law?
Mark Thomas Hennen has 27+ years of legal experience and has been licensed since 1999.
Where did Mark Thomas Hennen go to law school?
Mark Thomas Hennen earned their education at (J.D., 1999); (B.B.A. New, 1992).
How can I contact Mark Thomas Hennen for a consultation?
You can contact Mark Thomas Hennen directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Practice Areas

Education

J.D.
Loyola University
- 1999
B.B.A. New
Loyola University
- 1992

Bar Admissions

Louisiana
Admitted: 1999
Texas Fifth Circuit Court of Appeals Louisiana Eastern District Court Louisiana Middle District Cour
Admitted: 2007

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