Atty. Derek S. Leighnor

Atty. Derek S. Leighnor

Derek S. Leighnor is a lawyer practicing trusts & estates, wills & probate, criminal law and 4 other areas of law.

Alhambra Alhambra 12 yrs experience 12 year
Call (626) 648-3639 Book Appointment

Profile Summary

About Derek S. Leighnor at a glance

Derek S. Leighnor is a trusts, probate, criminal defense, employment, and workers comp attorney based in Alhambra, California. They have 12+ years of legal experience, licensed to practice since 2014. Admitted to practice in California (2014). Educated at Southwestern Univ SOL, Los Angeles, CA Univ of San Francisco, San Francisco, CA (—). Serands clients in Alhambra, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Derek S. Leighnor is a lawyer practicing trusts & estates, wills & probate, criminal law and 4 other areas of law
  • Derek received a degree from Southwestern Univ SOL, Los Angeles, CA, and has been licensed for 12 years
  • Derek practices in Alhambra, CA

Practice Areas Explained

Derek S. Leighnor's Areas of Practice

Each practice area below reflects the types of cases Derek S. Leighnor handles, with a brief overview of what that area of law covers.

Trusts

Derek S. Leighnor is one of 104,171 trusts attorneys indexed nationally. Browse trusts attorneys in California →

Probate

Derek S. Leighnor is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in California →

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

Derek S. Leighnor is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in California →

Employment Law

Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.

Derek S. Leighnor is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys in California →

Workers Compensation

Workers compensation lawyers help injured workers get medical care, lost wages, and disability benefits. Free consult, no fee unless you win.

Derek S. Leighnor is one of 55,389 workers comp attorneys indexed nationally. Browse workers comp 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 Alhambra 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 Alhambra or all attorneys in California.

Frequently Asked

Common questions about Derek S. Leighnor

Where is Derek S. Leighnor's law office located?
Derek S. Leighnor's law practice is located in Alhambra, California. You can contact the office directly through this profile page.
What practice areas does Derek S. Leighnor handle?
Derek S. Leighnor focuses on trusts, probate, criminal defense, employment, workers comp. Each practice area listed reflects experience handling cases of that type in California.
How long has Derek S. Leighnor practiced law?
Derek S. Leighnor has 12+ years of legal experience and has been licensed since 2014.
Where did Derek S. Leighnor go to law school?
Derek S. Leighnor earned their education at (—).
How can I contact Derek S. Leighnor for a consultation?
You can contact Derek S. Leighnor 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.

Education

Southwestern Univ SOL, Los Angeles, CA Univ of San Francisco, San Francisco, CA
- In Progress

Bar Admissions

California
Admitted: 2014

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