Atty. William Sosnay

Atty. William Sosnay

Hon. William Sosnay is a lawyer practicing civil litigation, criminal litigation, environmental law.

Milwaukee Milwaukee 54 yrs experience 54 year
Call (414) 300-7438 Book Appointment

Profile Summary

About William Sosnay at a glance

William Sosnay is a Cir. Ct. J. based in Milwaukee, Wisconsin. They have 54+ years of legal experience, licensed to practice since 1972. Their practice focuses on criminal defense, litigation, and environmental. Admitted to practice in Wisconsin (1972). Educated at Marquette University (J.D., 1972) and Marquette University (M.A. University, 1969). Serands clients in Milwaukee, WI and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Hon. William Sosnay is a lawyer practicing civil litigation, criminal litigation, environmental law
  • William received a M.A. degree from Marquette University in 1969, and has been licensed for 54 years
  • William practices in Milwaukee, WI

Practice Areas Explained

William Sosnay's Areas of Practice

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

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.

William Sosnay is one of 214,271 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Wisconsin →

Civil Litigation

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

William Sosnay is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Wisconsin →

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

William Sosnay is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in Wisconsin →

Jurisdictional Context

Why local counsel matters in Wisconsin

Practicing law in Wisconsin. Legal matters in Wisconsin are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Milwaukee are typically filed in the local municipal court or the appropriate Wisconsin state district court, depending on subject matter and amount in controversy. An attorney licensed in Wisconsin 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 Wisconsin courts without local counsel or pro hac vice admission.

Looking for additional Wisconsin attorneys? Browse all attorneys in Milwaukee or all attorneys in Wisconsin.

Frequently Asked

Common questions about William Sosnay

Where is William Sosnay's law office located?
William Sosnay's law practice is located in Milwaukee, Wisconsin. You can contact the office directly through this profile page.
What practice areas does William Sosnay handle?
William Sosnay focuses on criminal defense, litigation, environmental. Each practice area listed reflects experience handling cases of that type in Wisconsin.
How long has William Sosnay practiced law?
William Sosnay has 54+ years of legal experience and has been licensed since 1972.
Where did William Sosnay go to law school?
William Sosnay earned their education at (J.D., 1972); (M.A. University, 1969).
How can I contact William Sosnay for a consultation?
You can contact William Sosnay 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.
Marquette University
- 1972
M.A. University
Marquette University
- 1969

Bar Admissions

Wisconsin
Admitted: 1972

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