Atty. John Leon Boos

Atty. John Leon Boos

John Leon Boos is a lawyer practicing commercial disputes, appellate litigation, class action litigation defense and 8 other areas of law. John received a B.A. degree from University of Dayton, and has been licensed for 50 years.

San Francisco San Francisco 50 yrs experience 50 year
Call (628) 786-5132 Book Appointment

Profile Summary

About John Leon Boos at a glance

John Leon Boos is a Partner based in San Francisco, California, practicing at K&L Gates LLP. They have 50+ years of legal experience, licensed to practice since 1976. Their practice focuses on employment, business, ip, class action, and litigation. Admitted to practice in California U.S. District Court, Central, Eastern, Northern and Southern Districts of California U.S. (1976). Educated at Georgetown University Law Center (J.D., 1971) and University of Dayton B.A. (—). Recognitions include AV Preeminent. Active member of Bar Association of San Francisco State Bar of California American Bar Association. Serands clients in San Francisco, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Leon Boos is a lawyer practicing commercial disputes, appellate litigation, class action litigation defense and 8 other areas of law
  • John received a B.A. degree from University of Dayton, and has been licensed for 50 years
  • John practices at K&L Gates LLP in San Francisco, CA

Practice Areas Explained

John Leon Boos's Areas of Practice

Each practice area below reflects the types of cases John Leon Boos handles, with a brief overview of what that area of law covers.

Employment Law

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

John Leon Boos is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys in California →

Business & Corporate Law

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

John Leon Boos is one of 501,317 business attorneys indexed nationally. Browse business attorneys in California →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

John Leon Boos is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in California →

Class Action

John Leon Boos is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in California →

Civil Litigation

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

John Leon Boos 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 San Francisco 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 Francisco or all attorneys in California.

Frequently Asked

Common questions about John Leon Boos

Where is John Leon Boos's law office located?
John Leon Boos's law practice is located in San Francisco, California. The firm is K&L Gates LLP. You can contact the office directly through this profile page.
What practice areas does John Leon Boos handle?
John Leon Boos focuses on employment, business, ip, class action, litigation. Each practice area listed reflects experience handling cases of that type in California.
How long has John Leon Boos practiced law?
John Leon Boos has 50+ years of legal experience and has been licensed since 1976.
Where did John Leon Boos go to law school?
John Leon Boos earned their education at (J.D., 1971); (—).
How can I contact John Leon Boos for a consultation?
You can contact John Leon Boos 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 John Leon Boos received?
John Leon Boos's notable recognition includes: AV Preeminent.

Education

J.D.
Georgetown University Law Center
- 1971
University of Dayton B.A.
- In Progress

Awards

AV Preeminent

Bar Admissions

California U.S. District Court, Central, Eastern, Northern and Southern Districts of California U.S.
Admitted: 1976

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