Atty. Frank B. Vanker

Atty. Frank B. Vanker

Frank B. Vanker is a lawyer practicing accountant liability, internal investigations, securities & investment fraud and 14 other areas of law.

Chicago Chicago 41 yrs experience 41 year
Call (312) 219-2367 Book Appointment

Profile Summary

About Frank B. Vanker at a glance

Frank B. Vanker is a Partner based in Chicago, Illinois, practicing at Sidley Austin LLP. They have 41+ years of legal experience, licensed to practice since 1985. Their practice focuses on contracts, business, breach of contract, class action, and m&a. Admitted to practice in Illinois (1985), U.S. District Court, Northern District of Illinois (1985), U.S. Court of Appeals, Sixth Circuit (2009), and U.S. District Court, Northern District of Illinois, including Trial Bar U.S. Court of Appeals, Seven (2010). Educated at University of Michigan Law School (J.D., 1985) and Michigan State University (B.A., 1982). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Frank B. Vanker is a lawyer practicing accountant liability, internal investigations, securities & investment fraud and 14 other areas of law
  • Frank received a B.A. degree from Michigan State University in 1982, and has been licensed for 41 years
  • Frank practices at Sidley Austin LLP in Chicago, IL

Practice Areas Explained

Frank B. Vanker's Areas of Practice

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

Contracts

Frank B. Vanker is one of 76,762 contracts attorneys indexed nationally. Browse contracts attorneys in Illinois →

Business & Corporate Law

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

Frank B. Vanker is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Illinois →

Breach of Contract

Frank B. Vanker is one of 5,938 breach of contract attorneys indexed nationally. Browse breach of contract attorneys in Illinois →

Class Action

Frank B. Vanker is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in Illinois →

Mergers & Acquisitions

Frank B. Vanker is one of 49,731 m&a attorneys indexed nationally. Browse m&a 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 Frank B. Vanker

Where is Frank B. Vanker's law office located?
Frank B. Vanker's law practice is located in Chicago, Illinois. The firm is Sidley Austin LLP. You can contact the office directly through this profile page.
What practice areas does Frank B. Vanker handle?
Frank B. Vanker focuses on contracts, business, breach of contract, class action, m&a. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Frank B. Vanker practiced law?
Frank B. Vanker has 41+ years of legal experience and has been licensed since 1985.
Where did Frank B. Vanker go to law school?
Frank B. Vanker earned their education at (J.D., 1985); (B.A., 1982).
How can I contact Frank B. Vanker for a consultation?
You can contact Frank B. Vanker 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.
University of Michigan Law School
- 1985
B.A.
Michigan State University
- 1982

Bar Admissions

Illinois
Admitted: 1985
U.S. District Court, Northern District of Illinois
Admitted: 1985
U.S. Court of Appeals, Sixth Circuit
Admitted: 2009
U.S. District Court, Northern District of Illinois, including Trial Bar U.S. Court of Appeals, Seven
Admitted: 2010

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