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Atty. Leszek A. Sosnowski

Atty. Leszek A. Sosnowski

Leszek A. Sosnowski is a lawyer practicing family, immigration law.

Chicago Chicago 33 yrs experience 33 year
Call (224) 801-5007 Book Appointment

Profile Summary

About Leszek A. Sosnowski at a glance

Leszek A. Sosnowski is a Member based in Chicago, Illinois, practicing at Les Sosnowski, Immigration Attorney. They have 33+ years of legal experience, licensed to practice since 1993. Their practice focuses on family law and immigration. Admitted to practice in Illinois (1993). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Leszek A. Sosnowski is a lawyer practicing family, immigration law
  • Leszek has been licensed for 33 years
  • Leszek practices at Les Sosnowski, Immigration Attorney in Chicago, IL

Practice Areas Explained

Leszek A. Sosnowski's Areas of Practice

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

Family Law

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

Leszek A. Sosnowski is one of 187,066 family law attorneys indexed nationally. Browse family law attorneys in Illinois →

Immigration Law

Immigration attorneys help with green cards, visas, citizenship, asylum, and deportation defense. Find a verified immigration lawyer for your case.

Leszek A. Sosnowski is one of 40,633 immigration attorneys indexed nationally. Browse immigration attorneys in Illinois →

Jurisdictional Context

Why local counsel matters in Illinois

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

Looking for additional Illinois attorneys? Browse all attorneys in Chicago or all attorneys in Illinois.

Frequently Asked

Common questions about Leszek A. Sosnowski

Where is Leszek A. Sosnowski's law office located?
Leszek A. Sosnowski's law practice is located in Chicago, Illinois. The firm is Les Sosnowski, Immigration Attorney. You can contact the office directly through this profile page.
What practice areas does Leszek A. Sosnowski handle?
Leszek A. Sosnowski focuses on family law, immigration. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Leszek A. Sosnowski practiced law?
Leszek A. Sosnowski has 33+ years of legal experience and has been licensed since 1993.
How can I contact Leszek A. Sosnowski for a consultation?
You can contact Leszek A. Sosnowski 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.

Practice Areas

Bar Admissions

Illinois
Admitted: 1993

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