Ohio Revised Code

Ohio Rev. Code § 1331.04 (2026)

Conspiracy against trade prohibited

✓ current as of May 2026
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Every combination, contract, or agreement in the form of a trust is declared to be a conspiracy against trade and illegal. No person shall engage in such conspiracy or take part therein, or aid or advise in its commission, or, as principal, manager, director, agent, servant, or employer, or in any other capacity, knowingly carry out any of the stipulations, purposes, prices, or rates, or furnish any information to assist in carrying out such purposes, or orders thereunder, or in pursuance thereof, or in any manner violate sections 1331.01 to 1331.14 of the Revised Code. Each day's violation of this section is a separate offense.

Notes of Decisions
Cited in 3 cases (1 in the last 5 years), 1986–2024 · leading case: Aaa Installers v. Sears Holdings Corp., 764 F. Supp. 2d 931 (S.D. Ohio 2011).
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Aaa Installers v. Sears Holdings Corp., 764 F. Supp. 2d 931 (S.D. Ohio 2011). · cites it 10× “O.R.C. § 1331.04 (2010). The referenced code sections 1331.”
Child World, Inc. v. South Towne Centre, Ltd., 634 F. Supp. 1121 (S.D. Ohio 1986). · cites it 2× “01 is declared a “conspiracy against trade” under Ohio Rev. Code § 1331.04. A “trust” is defined, in pertinent part, in Section 1331.”
NPE Enter., LLC v. Pataq (N.D. Ohio 2024). “§ 1 , and Agreements Against Trade in Violation of the Valentine Act, Ohio Revised Code, § 1331.04. (ECF # 21.) BACKGROUND FACTS Defendant/Counterclaimant Pataq founded SP Car Wash Inc.”
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