Atty. William Arnault

Atty. William Arnault

Bill Arnault is a litigation partner in the Firm’s Chicago office. He focuses his practice in the restructuring context.

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Profile Summary

About William Arnault at a glance

William Arnault is a bankruptcy attorney based in Chicago, Illinois, practicing at Kirkland & Ellis LLP. Educated at Cornell University (J.D., 2009) and Boston College (B.A., 2005). Recognitions include Best Lawyers in America — Litigation - Bankruptcy (2026). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Bill Arnault is a litigation partner in the Firm’s Chicago office
  • He focuses his practice in the restructuring context
  • He also has extensive experience litigating complex commercial cases in federal and state trial and appellate courts throughout the United States, including contract, energy, fiduciary duty, fraudulent transfer, bankruptcy, and employment cases
  • He has chaired or co-led multiple trials and hearings, including disputes involving Parker Drilling Company, Emerald Oil, Inc., iHeart Media, Inc., the City of Detroit, GenOn Energy, Inc., Caesars Entertainment Operating Company, and E.V
  • Energy Partners, L.P

Practice Areas Explained

William Arnault's Areas of Practice

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

Bankruptcy & Debt

A bankruptcy attorney can help you eliminate debt, stop creditor harassment, and protect your home through Chapter 7 or Chapter 13.

William Arnault is one of 105,321 bankruptcy attorneys indexed nationally. Browse bankruptcy 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 William Arnault

Where is William Arnault's law office located?
William Arnault's law practice is located in Chicago, Illinois. The firm is Kirkland & Ellis LLP. You can contact the office directly through this profile page.
What practice areas does William Arnault handle?
William Arnault focuses on bankruptcy. Each practice area listed reflects experience handling cases of that type in Illinois.
Where did William Arnault go to law school?
William Arnault earned their education at (J.D., 2009); (B.A., 2005).
How can I contact William Arnault for a consultation?
You can contact William Arnault 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.
What awards or recognition has William Arnault received?
William Arnault's notable recognition includes: Best Lawyers in America — Litigation - Bankruptcy.

Practice Areas

Education

J.D.
Cornell University
- 2009
B.A.
Boston College
- 2005

Awards

Best Lawyers in America — Litigation - Bankruptcy
- 2026

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