Atty. William Arthur McKenna

Atty. William Arthur McKenna

William Arthur McKenna is a lawyer. William has been licensed for 5 years.

Los Angeles Los Angeles 5 yrs experience 5 year
Call (424) 359-1437 Book Appointment

Profile Summary

About William Arthur McKenna at a glance

William Arthur McKenna is an Attorney based in Los Angeles, California, practicing at Simpson Thacher & Bartlett LLP. They have 5+ years of legal experience, licensed to practice since 2021. Admitted to practice in California (2021). Serands clients in Los Angeles, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William Arthur McKenna is a lawyer
  • William has been licensed for 5 years
  • William practices at Simpson Thacher & Bartlett LLP in Los Angeles, CA

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 Los Angeles 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 Los Angeles or all attorneys in California.

Frequently Asked

Common questions about William Arthur McKenna

Where is William Arthur McKenna's law office located?
William Arthur McKenna's law practice is located in Los Angeles, California. The firm is Simpson Thacher & Bartlett LLP. You can contact the office directly through this profile page.
How long has William Arthur McKenna practiced law?
William Arthur McKenna has 5+ years of legal experience and has been licensed since 2021.
How can I contact William Arthur McKenna for a consultation?
You can contact William Arthur McKenna 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.

Bar Admissions

California
Admitted: 2021

Reviews

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.