Atty. David M. Sullivan

Atty. David M. Sullivan

Mr. David M.

Van Alstyne Van Alstyne 45 yrs experience 45 year
Call (430) 262-6138 Book Appointment

Profile Summary

About David M. Sullivan at a glance

David M. Sullivan is a Member based in Van Alstyne, Texas, practicing at The Sullivan Law Firm, P.C.. They have 45+ years of legal experience, licensed to practice since 1981. Their practice focuses on probate, estate planning, business, and tax. Admitted to practice in Tennessee (1981) and Texas Texas Eastern District Court US Tax Court (1999). Educated at Southern Methodist University (LLM Western, 1998) and Southeastern Oklahoma State University (B.S., 1995). Recognitions include BV Distinguished. Active member of Frisco and Collin County Bar Associations. Serands clients in Van Alstyne, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. David M. Sullivan is a lawyer practicing estate planning, taxation, business law and 1 other area of law
  • David received a B.S. degree from Southeastern Oklahoma State University in 1995, and has been licensed for 45 years
  • David practices at The Sullivan Law Firm, P.C. in Van Alstyne, TX

Practice Areas Explained

David M. Sullivan's Areas of Practice

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

Probate

David M. Sullivan is one of 128,014 probate attorneys indexed nationally. Browse probate 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.

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

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

David M. Sullivan is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Texas →

Tax Law

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

David M. Sullivan 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 Van Alstyne 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 Van Alstyne or all attorneys in Texas.

Frequently Asked

Common questions about David M. Sullivan

Where is David M. Sullivan's law office located?
David M. Sullivan's law practice is located in Van Alstyne, Texas. The firm is The Sullivan Law Firm, P.C.. You can contact the office directly through this profile page.
What practice areas does David M. Sullivan handle?
David M. Sullivan focuses on probate, estate planning, business, tax. Each practice area listed reflects experience handling cases of that type in Texas.
How long has David M. Sullivan practiced law?
David M. Sullivan has 45+ years of legal experience and has been licensed since 1981.
Where did David M. Sullivan go to law school?
David M. Sullivan earned their education at (LLM Western, 1998); (B.S., 1995).
How can I contact David M. Sullivan for a consultation?
You can contact David M. 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 David M. Sullivan received?
David M. Sullivan's notable recognition includes: BV Distinguished.

Education

LLM Western
Southern Methodist University
- 1998
B.S.
Southeastern Oklahoma State University
- 1995

Awards

BV Distinguished

Bar Admissions

Tennessee
Admitted: 1981
Texas Texas Eastern District Court US Tax Court
Admitted: 1999

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