Mo. Rev. Stat. » Chapter 417
Missouri Revised Statutes

Mo. Rev. Stat. § 417.450 (2026)

Law how cited

✓ current as of May 2026
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  417.450.  Law how cited. — Sections 417.450 to 417.467 shall be known and may be cited as "The Missouri Uniform Trade Secrets Act".

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(L. 1995 S.B. 80 & 88 § 1)

Notes of Decisions
Cited in 46 cases (20 in the last 5 years), 1997–2025 · leading case: Lyn-Flex West, Inc. v. Dieckhaus, 24 S.W.3d 693 (Mo. Ct. App. 1999).
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Lyn-Flex West, Inc. v. Dieckhaus, 24 S.W.3d 693 (Mo. Ct. App. 1999). · cites it 5× “ppropriation of trade secrets, tortious interference with a business expectancy, and conspiracy- On appeal, plaintiff contends that the trial court erred in sustaining defendants’ motion for directed verdict and withdrawing from the jury plaintiffs claims for damages because…”
Insituform Tech., Inc. v. Reynolds, Inc., 398 F. Supp. 2d 1058 (E.D. Mo. 2005). · cites it 4× “Insituform filed an amended complaint in state court on June 9, 2005, and the defendants removed the case to this Court on July 19, 2005. Three counts against Reynolds, Inc.”
Am. Fam. Mut. Ins. Co. v. Missouri Dep't of Ins., 169 S.W.3d 905 (Mo. Ct. App. 2005). · cites it 2× “In short, while the evidence would certainly have supported a contrary finding, the trial court’s finding that the requested data had independent economic value and was a trade secret under § 417.450 was supported by sufficient competent evidence and was not against the weight…”
Mihlfeld & Assocs., Inc. v. Bishop & Bishop, L.L.C., 295 S.W.3d 163 (Mo. Ct. App. 2009). · cites it 2× “In Count XIII, Appellants alleged misappropriation of trade secrets under the Missouri Uniform Trade Secrets Act, sections 417.450, et seq. Specifically, Appellants alleged that Respondents were responsible for misappropriating Appellants' customer lists, in-process lists, and…”
Cent. Trust & Inv. Co. v. SignalPoint Asset Mgmt., LLC, 422 S.W.3d 312 (Mo. 2014). “This appeal concerns, primarily, whether a company can be liable for misappropriation of trade secrets, pursuant to the Missouri Uniform Trade Secrets Act, §§ 417.450 to 417.467, RSMo 2000 1 (MUT-SA), for affiliating with an ex-employee of another company.”
Two Palms Software v. Worldwide Freight Mgmt., 780 F. Supp. 2d 916 (E.D. Mo. 2011). · cites it 4× “Plaintiffs assert claims of conversion Count III, civil conspiracy in Count IV, tortious interference in Count V, unjust enrichment in Count VI, and violation of the Missouri Computer Tampering Act ( Mo. Rev. Stat. § 417.450 , et seq. ) in Count X.”
Secure Energy, Inc. v. Coal Synthetics, LLC, 708 F. Supp. 2d 923 (E.D. Mo. 2010). · cites it 2× “"Pursuant to MUTSA," misappropriation of a trade secret occurs when a person uses the trade secret of another without express or implied consent if that person: (a) used improper means to acquire knowledge of the trade secret; (b) knew or had reason to know that it was a trade…”
Deichmann v. Boeing Co., 36 F. Supp. 2d 1166 (E.D. Mo. 1999). · cites it 2× “[4] In their Memorandum in Support of Plaintiffs' Opposition to Defendant's Motion for Summary Judgment, plaintiffs allege various illegal actions by defendant including violation of Missouri's version of the Uniform Trade Secrets Act, Mo. Rev.Stat. § 417.450 et seq.,…”
Lasco Foods, Inc. v. Hssmc, 600 F. Supp. 2d 1045 (E.D. Mo. 2009). · cites it 2× “Plaintiff asserts the following claims for relief: Misappropriation of Trade Secrets in Violation of the Missouri Uniform Trade Secrets *1048 Act, Mo.Rev.Stat. § 417.450, et seq. (Count I), Violations of Stored Wire and Electronic Communications Act ("SECA"), 18 U.”
Perficient, Inc. v. Thomas Munley, 973 F.3d 914 (8th Cir. 2020). “, and the Missouri Uniform Trade Secrets Act, Mo. Rev. Stat. § 417.450 et seq. Perficient moved for preliminary and permanent injunctive relief.”
Evans v. Gen. Motors Corp., 893 A.2d 371 (Conn. 2006). “(2000); Mo. Rev. Stat. § 417.450 et seq. (2000); Mont.”
Custom Hardware Eng'g & Consulting, Inc. v. Dowell, 918 F. Supp. 2d 916 (E.D. Mo. 2013). · cites it 2× “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.”
Show all 46 citing cases →
— Mo. Rev. Stat. § 417.450(4)(a) — 1 case
Am. Fam. Mut. Ins. Co. v. Missouri Dep't of Ins., 169 S.W.3d 905 (Mo. Ct. App. 2005). “In short, while the evidence would certainly have supported a contrary finding, the trial court’s finding that the requested data had independent economic value and was a trade secret under § 417.450 was supported by sufficient competent evidence and was not against the weight…”
— Mo. Rev. Stat. § 417.450(b)(a) — 1 case
BP Chemicals Ltd. v. Jiangsu Sopo Corp., Ltd., 144 F. Supp. 2d 1140 (E.D. Mo. 2001).
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