Atty. Lon Duane Showley

Atty. Lon Duane Showley

Lon Duane Showley is a lawyer practicing estate planning law, trust and probate law. Lon received a B.A. degree from Butler University in 1966, and has been licensed for 56 years.

San Diego San Diego 56 yrs experience 56 year
Call (760) 558-4070 Book Appointment

Profile Summary

About Lon Duane Showley at a glance

Lon Duane Showley is a Member based in San Diego, California, practicing at Showley & Thompson, LLP. They have 56+ years of legal experience, licensed to practice since 1970. Their practice focuses on trusts, probate, and estate planning. Admitted to practice in Indiana (1970) and California (1972). Educated at Indiana University (J.D., 1969) and Butler University (B.A., 1966). Recognitions include AV Preeminent. Active member of San Diego County Bar Association. Serands clients in San Diego, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Lon Duane Showley is a lawyer practicing estate planning law, trust and probate law
  • Lon received a B.A. degree from Butler University in 1966, and has been licensed for 56 years
  • Lon practices at Showley & Thompson, LLP in San Diego, CA

Practice Areas Explained

Lon Duane Showley's Areas of Practice

Each practice area below reflects the types of cases Lon Duane Showley handles, with a brief overview of what that area of law covers.

Trusts

Lon Duane Showley is one of 104,171 trusts attorneys indexed nationally. Browse trusts attorneys in California →

Probate

Lon Duane Showley is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in California →

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.

Lon Duane Showley is one of 226,536 estate planning attorneys indexed nationally. Browse estate planning attorneys in California →

Jurisdictional Context

Why local counsel matters in California

Practicing law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in San Diego are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California 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 California courts without local counsel or pro hac vice admission.

Looking for additional California attorneys? Browse all attorneys in San Diego or all attorneys in California.

Frequently Asked

Common questions about Lon Duane Showley

Where is Lon Duane Showley's law office located?
Lon Duane Showley's law practice is located in San Diego, California. The firm is Showley & Thompson, LLP. You can contact the office directly through this profile page.
What practice areas does Lon Duane Showley handle?
Lon Duane Showley focuses on trusts, probate, estate planning. Each practice area listed reflects experience handling cases of that type in California.
How long has Lon Duane Showley practiced law?
Lon Duane Showley has 56+ years of legal experience and has been licensed since 1970.
Where did Lon Duane Showley go to law school?
Lon Duane Showley earned their education at (J.D., 1969); (B.A., 1966).
How can I contact Lon Duane Showley for a consultation?
You can contact Lon Duane Showley 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 Lon Duane Showley received?
Lon Duane Showley's notable recognition includes: AV Preeminent.

Education

J.D.
Indiana University
- 1969
B.A.
Butler University
- 1966

Awards

AV Preeminent

Bar Admissions

Indiana
Admitted: 1970
California
Admitted: 1972

Reviews

4.3
1 Review
5 0
4 0
3 0
2 0
1 0
These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.