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Sonrai Systems, LLC v. Anthony M. Romano
1:16-cv-03371
| N.D. Ill. | Jul 25, 2025
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Background

  • Sonrai Systems, LLC sued former employee Anthony Romano and his new employer, Heil Co. d/b/a Environmental Solutions Group, alleging breach of fiduciary duty and related damages.
  • The sole claim against Romano was for breach of fiduciary duty, tied to allegations he misappropriated proprietary data to help develop a competing product at Heil.
  • At trial, Sonrai's damages case rested exclusively on a "lost profits" theory, arguing that Heil's Enhance product would not exist but for Romano's alleged misuse of Sonrai data.
  • The jury had awarded nearly $29 million in compensatory damages based on this lost sales theory.
  • Romano moved for judgment as a matter of law under Federal Rule 50(b), asserting insufficient evidence regarding the taking or use of proprietary data and defective legal theory of damages.
  • As an alternative, Romano sought a new trial or remittitur under Rule 59.

Issues

Issue Plaintiff's Argument Defendant's Argument Held
Sufficiency of Evidence (Taking Proprietary Data) Romano took proprietary Sonrai data before leaving Sonrai failed to show what, if any, data was actually taken Court held evidence insufficient
Sufficiency of Evidence (Use of Proprietary Data) Data taken was improperly used to benefit Heil, diverting sales No evidence Romano used specified data to compete Court held evidence insufficient
Damages Theory (Lost Profits) Romano's actions directly caused lost profits via Enhance sales Lost profits theory unsupported since no evidence of causation or use Court found damages theory insufficient
Duration of Fiduciary Duty Fiduciary duty extended to completion of post-resignation work Relationship ended Jan 15, 2016; later work was as a contractor Court sided with defendant

Key Cases Cited

  • Beverly v. Abbott Labs., 107 F.4th 737 (7th Cir. 2024) (sets standard for granting judgment as a matter of law)
  • Hossack v. Floor Covering Assocs. of Joliet, 492 F.3d 853 (7th Cir. 2007) (discusses when evidence is insufficient to support a jury verdict)
  • Garrett v. Barnes, 961 F.2d 629 (7th Cir. 1992) (speculation alone cannot support a jury verdict)
  • Perfetti v. First Nat’l Bank, 950 F.2d 449 (7th Cir. 1991) (vacating award where evidence was mostly insubstantial and indirect)
  • Veco Corp. v. Babcock, 243 Ill. App. 3d 153 (Ill. App. Ct. 1993) (no breach where allegedly taken info was not shown to be confidential)
  • Revcor, Inc. v. Fame, Inc., 85 Ill. App. 2d 350 (Ill. App. Ct. 1967) (employee may use general knowledge and skills post-employment)
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Case Details

Case Name: Sonrai Systems, LLC v. Anthony M. Romano
Court Name: District Court, N.D. Illinois
Date Published: Jul 25, 2025
Docket Number: 1:16-cv-03371
Court Abbreviation: N.D. Ill.