Atty. Gary J. Derer

Atty. Gary J. Derer

Mr. Gary J.

Addison Addison 46 yrs experience 46 year
Call (469) 733-1269 Book Appointment

Estate Planning & More Attorney · Serving Addison, TX · 46+ Years Experience

Profile Summary

About Gary J. Derer at a Glance

Gary J. Derer is a Member based in Addison, Texas, practicing at Law Offices of Gary J. Derer. They have 46+ years of legal experience, licensed to practice since 1980. Their practice focuses on formation, wills, trusts, probate, and estate planning. Admitted to practice in Texas US Tax Court Fifth Circuit Court of Appeals Texas Eastern District Court Illinois Texas Northe (1980). Educated at DePaul University School of Law (J.D., 1980) and Loyola University (B.A., 1968). Active member of State Bar of Texas National Association of Elder Law Attorneys. Serves clients in Addison, TX and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Gary J. Derer

  • Mr. Gary J. Derer is a lawyer practicing trusts & estates, estate planning, trust planning and 14 other areas of law
  • Gary received a B.A. degree from Loyola University in 1968, and has been licensed for 46 years
  • Gary practices at Law Offices of Gary J. Derer in Addison, TX

Practice Areas Explained

Gary J. Derer's Areas of Legal Practice

Each practice area below reflects the types of cases Gary J. Derer handles, with a practical overview of what that area of law involves and how it may apply to your situation in Addison.

Business Formation in Addison

Gary J. Derer is one of 35,326 formation attorneys indexed nationally. Browse formation attorneys in Texas →

Wills in Addison

Gary J. Derer is one of 34,363 wills attorneys indexed nationally. Browse wills attorneys in Texas →

Trusts in Addison

Gary J. Derer is one of 103,428 trusts attorneys indexed nationally. Browse trusts attorneys in Texas →

Probate in Addison

Gary J. Derer is one of 127,041 probate attorneys indexed nationally. Browse probate attorneys in Texas →

Estate Planning & Probate in Addison

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

Gary J. Derer is one of 224,789 estate planning attorneys indexed nationally. Browse estate planning attorneys in Texas →

Jurisdictional Context

Why Local Counsel Matters in Addison

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 Addison 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 venue, 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.

Addison Courts and Legal Process

Choosing a Addison-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

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

Frequently Asked

Common Questions About Gary J. Derer

Where is Gary J. Derer's law office located?
Gary J. Derer's law practice is located in Addison, Texas. The firm is Law Offices of Gary J. Derer. You can contact the office directly through this profile page.
What practice areas does Gary J. Derer handle?
Gary J. Derer focuses on formation, wills, trusts, probate, estate planning. Each practice area listed reflects experience handling cases of that type in Texas.
How long has Gary J. Derer practiced law?
Gary J. Derer has 46+ years of legal experience and has been licensed since 1980.
Where did Gary J. Derer go to law school?
Gary J. Derer earned their education at (J.D., 1980); (B.A., 1968).
How can I contact Gary J. Derer for a consultation?
You can contact Gary J. Derer 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.

Professional Profile

Why Clients in Addison Choose Gary J. Derer

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Gary J. Derer's practice in the field of formation, wills, trusts, probate, and estate planning.

Decade-Tested Legal Experience

Gary J. Derer brings 46+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Broad Practice Area Coverage

Covering formation, wills, and trusts, Gary J. Derer can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Addison

A Addison-based practice means Gary J. Derer attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues Gary J. Derer Handles in Addison

Below is a representative sample of the types of matters Gary J. Derer has experience with under Texas law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Last wills and testaments
Estate Planning
Revocable living trusts
Estate Planning
Powers of attorney
Estate Planning
Probate proceedings
Estate Planning

This list is illustrative, not exhaustive. Contact Gary J. Derer directly to discuss the specifics of your situation.

Search Reference

How People Find Gary J. Derer Online

Prospective clients searching for legal help in Addison commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Gary J. Derer.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Gary J. Derer directly.

Education & Law School Background

J.D.
DePaul University School of Law
- 1980
B.A.
Loyola University
- 1968

Bar Admissions & Licensed Jurisdictions

Texas US Tax Court Fifth Circuit Court of Appeals Texas Eastern District Court Illinois Texas Northe
Admitted: 1980

Client Reviews & Ratings — Gary J. Derer

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