Atty. William John Koppany

Atty. William John Koppany

William John Koppany is a lawyer practicing litigation, workers compensation. William received a degree from Southwestern Univ SOL, and has been licensed for 45 years.

Santa Ana Santa Ana 45 yrs experience 45 year
Call (213) 679-0031 Book Appointment

Profile Summary

About William John Koppany at a glance

William John Koppany is an Associate based in Santa Ana, California, practicing at Glenn L Silverii And Associates. They have 45+ years of legal experience, licensed to practice since 1981. Their practice focuses on workers comp and litigation. Admitted to practice in California (1981) and Louisiana (2004). Educated at Southwestern Univ SOL Southwestern Univ SOL Los Angeles CA Los Angeles CA California St Univ California St Univ Los Angeles CA Los Angeles CA (—). Serands clients in Santa Ana, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William John Koppany is a lawyer practicing litigation, workers compensation
  • William received a degree from Southwestern Univ SOL, and has been licensed for 45 years
  • William practices at Glenn L. Silverii & Associates in Santa Ana, CA

Practice Areas Explained

William John Koppany's Areas of Practice

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

Workers Compensation

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

William John Koppany is one of 55,389 workers comp attorneys indexed nationally. Browse workers comp attorneys in California →

Civil Litigation

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

William John Koppany 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 Santa Ana 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 Santa Ana or all attorneys in California.

Frequently Asked

Common questions about William John Koppany

Where is William John Koppany's law office located?
William John Koppany's law practice is located in Santa Ana, California. The firm is Glenn L Silverii And Associates. You can contact the office directly through this profile page.
What practice areas does William John Koppany handle?
William John Koppany focuses on workers comp, litigation. Each practice area listed reflects experience handling cases of that type in California.
How long has William John Koppany practiced law?
William John Koppany has 45+ years of legal experience and has been licensed since 1981.
Where did William John Koppany go to law school?
William John Koppany earned their education at (—).
How can I contact William John Koppany for a consultation?
You can contact William John Koppany 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 Southwestern Univ SOL Los Angeles CA Los Angeles CA California St Univ California St Univ Los Angeles CA Los Angeles CA
- In Progress

Bar Admissions

California
Admitted: 1981
Louisiana
Admitted: 2004

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