Atty. Dennis John Sullivan

Atty. Dennis John Sullivan

Mr. Dennis John Sullivan is a lawyer practicing maritime, aviation litigation, litigation and 3 other areas of law.

Houston Houston 35 yrs experience 35 year
Call (346) 601-3914 Book Appointment

Profile Summary

About Dennis John Sullivan at a glance

Dennis John Sullivan is a Member based in Houston, Texas, practicing at Stepp & Sullivan, P.C.. They have 35+ years of legal experience, licensed to practice since 1991. Their practice focuses on probate, personal injury, estate planning, litigation, and maritime. Admitted to practice in Texas Fifth Circuit Court of Appeals Texas Southern District/Bankruptcy Court Texas Northern Distric (1991). Educated at St. Mary's University of San Antonio Law School (J.D., 1991) and St. Mary's University of San Antonio (B.B.A., 1988). Recognitions include BV Distinguished. Active member of State Bar of Texas American Bar Association. Serands clients in Houston, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Dennis John Sullivan is a lawyer practicing maritime, aviation litigation, litigation and 3 other areas of law
  • Dennis received a B.B.A. degree from St. Mary's University of San Antonio in 1988, and has been licensed for 35 years
  • Dennis practices at Stepp & Sullivan, P.C. in Houston, TX

Practice Areas Explained

Dennis John Sullivan's Areas of Practice

Each practice area below reflects the types of cases Dennis John Sullivan handles, with a brief overview of what that area of law covers.

Probate

Dennis John Sullivan is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in Texas →

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Dennis John Sullivan is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Texas →

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

Dennis John Sullivan is one of 226,536 estate planning attorneys indexed nationally. Browse estate planning attorneys in Texas →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Dennis John Sullivan is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Texas →

Maritime & Admiralty Law

Maritime attorneys for Jones Act claims, longshore injury, cruise ship cases, and offshore matters.

Dennis John Sullivan is one of 11,568 maritime attorneys indexed nationally. Browse maritime 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 Houston 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 Houston or all attorneys in Texas.

Frequently Asked

Common questions about Dennis John Sullivan

Where is Dennis John Sullivan's law office located?
Dennis John Sullivan's law practice is located in Houston, Texas. The firm is Stepp & Sullivan, P.C.. You can contact the office directly through this profile page.
What practice areas does Dennis John Sullivan handle?
Dennis John Sullivan focuses on probate, personal injury, estate planning, litigation, maritime. Each practice area listed reflects experience handling cases of that type in Texas.
How long has Dennis John Sullivan practiced law?
Dennis John Sullivan has 35+ years of legal experience and has been licensed since 1991.
Where did Dennis John Sullivan go to law school?
Dennis John Sullivan earned their education at (J.D., 1991); (B.B.A., 1988).
How can I contact Dennis John Sullivan for a consultation?
You can contact Dennis John Sullivan 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.
What awards or recognition has Dennis John Sullivan received?
Dennis John Sullivan's notable recognition includes: BV Distinguished.

Education

J.D.
St. Mary's University of San Antonio Law School
- 1991
B.B.A.
St. Mary's University of San Antonio
- 1988

Awards

BV Distinguished

Bar Admissions

Texas Fifth Circuit Court of Appeals Texas Southern District/Bankruptcy Court Texas Northern Distric
Admitted: 1991

Reviews

4.2
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