Mo. Rev. Stat. § 417.463: Action for misappropriation displaces certain other actions for recovery — actions civil and criminal not affected.

1. Except as provided in subsection 2 of this section, sections 417.450 to 417.467 displace conflicting tort, restitutionary, and other laws of this state providing civil remedies for misappropriation of a trade secret.

2. Sections 417.450 to 417.467 shall not affect:

(1) Contractual remedies, whether or not based upon misappropriation of a trade secret; or

(2) Other civil remedies that are not based upon misappropriation of a trade secret; or

(3) Criminal remedies, whether or not based upon misappropriation of a trade secret; or

(4) The discovery of facts, opinions, information, documents, things, and any other matters discoverable in litigation, except in litigation which alleges misappropriation of trade secrets as a cause of action.