Illinois law
Commercial Litigation Laws in Illinois.
Illinois commercial-litigation work often involves contract disputes, fraud claims, business torts, partnership and LLC fights, and UCC issues. Most commercial disputes run through the Illinois Circuit Courts, with the Cook County Circuit Court’s Commercial Calendar and other specialized dockets handling much of the state’s complex business litigation.
Last verified: 2026-04-17
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State law
Statute of Limitations
Illinois contract and commercial-claim deadlines depend on theory. Written-contract claims are generally 10 years; oral-contract and some other claims are generally 5 years; tort claims are generally 2 years.
State law
Key Illinois Statutes
Commercial-litigation procedure is governed by the Illinois Code of Civil Procedure and the Illinois Supreme Court Rules, which control pleading, discovery, and motion practice in Circuit Court.
Illinois commercial-litigation cases frequently involve Article 2 sales, Article 9 secured transactions, and related UCC provisions.
State law
Official Sources
Not Legal Advice
This page summarizes publicly available statutes and rules for informational purposes only. It does not constitute legal advice, and no attorney-client relationship is created by viewing this content. Laws change — always verify with the primary source or consult a licensed attorney in Illinois.
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