Atty. Stephen William Sommerhalter

Atty. Stephen William Sommerhalter

Stephen William Sommerhalter is a lawyer practicing litigation, commercial, financial markets and services. Stephen received a B.A. degree from Colgate University in 1971, and has been licensed for 51 years.

Mill Valley Mill Valley 51 yrs experience 51 year
Call (628) 243-4845 Book Appointment

Profile Summary

About Stephen William Sommerhalter at a glance

Stephen William Sommerhalter is a business and litigation attorney based in Mill Valley, California. They have 51+ years of legal experience, licensed to practice since 1975. Admitted to practice in Washington (1975) and California (1976). Educated at Cornell University (J.D., 1974) and Colgate University (B.A., 1971). Serands clients in Mill Valley, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Stephen William Sommerhalter is a lawyer practicing litigation, commercial, financial markets and services
  • Stephen received a B.A. degree from Colgate University in 1971, and has been licensed for 51 years
  • Stephen practices in Mill Valley, CA

Practice Areas Explained

Stephen William Sommerhalter's Areas of Practice

Each practice area below reflects the types of cases Stephen William Sommerhalter handles, with a brief overview of what that area of law covers.

Business & Corporate Law

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

Stephen William Sommerhalter is one of 501,317 business attorneys indexed nationally. Browse business attorneys in California →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Stephen William Sommerhalter is one of 454,532 litigation attorneys indexed nationally. Browse litigation 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 Mill Valley 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 Mill Valley or all attorneys in California.

Frequently Asked

Common questions about Stephen William Sommerhalter

Where is Stephen William Sommerhalter's law office located?
Stephen William Sommerhalter's law practice is located in Mill Valley, California. You can contact the office directly through this profile page.
What practice areas does Stephen William Sommerhalter handle?
Stephen William Sommerhalter focuses on business, litigation. Each practice area listed reflects experience handling cases of that type in California.
How long has Stephen William Sommerhalter practiced law?
Stephen William Sommerhalter has 51+ years of legal experience and has been licensed since 1975.
Where did Stephen William Sommerhalter go to law school?
Stephen William Sommerhalter earned their education at (J.D., 1974); (B.A., 1971).
How can I contact Stephen William Sommerhalter for a consultation?
You can contact Stephen William Sommerhalter 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

J.D.
Cornell University
- 1974
B.A.
Colgate University
- 1971

Bar Admissions

Washington
Admitted: 1975
California
Admitted: 1976

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