Atty. Sidney Sosin

Atty. Sidney Sosin

Sidney Sosin is a lawyer practicing securities regulation law, corporate financing law, corporate law. Sidney received a B.S. degree from University of Illinois in 1949, and has been licensed for 76 years.

Chicago Chicago 76 yrs experience 76 year
Call (312) 535-4941 Book Appointment

Profile Summary

About Sidney Sosin at a glance

Sidney Sosin is a business and securities attorney based in Chicago, Illinois. They have 76+ years of legal experience, licensed to practice since 1950. Admitted to practice in Illinois (1950). Educated at University of Illinois (LL.B., 1950) and University of Illinois (B.S., 1949). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Sidney Sosin is a lawyer practicing securities regulation law, corporate financing law, corporate law
  • Sidney received a B.S. degree from University of Illinois in 1949, and has been licensed for 76 years
  • Sidney practices in Chicago, IL

Practice Areas Explained

Sidney Sosin's Areas of Practice

Each practice area below reflects the types of cases Sidney Sosin 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.

Sidney Sosin is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Illinois →

Securities Law

Sidney Sosin is one of 64,529 securities attorneys indexed nationally. Browse securities 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 Sidney Sosin

Where is Sidney Sosin's law office located?
Sidney Sosin's law practice is located in Chicago, Illinois. You can contact the office directly through this profile page.
What practice areas does Sidney Sosin handle?
Sidney Sosin focuses on business, securities. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Sidney Sosin practiced law?
Sidney Sosin has 76+ years of legal experience and has been licensed since 1950.
Where did Sidney Sosin go to law school?
Sidney Sosin earned their education at (LL.B., 1950); (B.S., 1949).
How can I contact Sidney Sosin for a consultation?
You can contact Sidney Sosin 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

LL.B.
University of Illinois
- 1950
B.S.
University of Illinois
- 1949

Bar Admissions

Illinois
Admitted: 1950

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