LIEBERT CORP. v. MAZUR

No. 1-04-2794.

827 N.E.2d 909 (2005)

357 Ill. App.3d 265

293 Ill.Dec. 28

LIEBERT CORPORATION, an Ohio corporation, and Zonatherm Products, Inc., an Illinois corporation, Plaintiffs-Appellants, v. John MAZUR, an individual, Gregory N. Schwabe, an individual, Jerome Mazur, an individual, Mario Belluomini, an individual, Laurence Bergfalk, an individual, Aerico, Inc., an Illinois limited corporation, and American Power Conversion Corporation, a Massachusetts corporation, Defendants-Appellees.

Appellate Court of Illinois, First District, Second Division.

April 5, 2005.


Attorney(s) appearing for the Case

Joseph R. Marconi, Kathryn R. Hoying, Johnson & Bell, Ltd., Chicago (David M. Macksey, Garrett L. Boehm, Jr., of counsel), for Appellants.

Barry Levenstam, Terrence J. Truax, Derek S. Witte, Jenner & Block LLP, of Chicago, for Appellee American Power Conversion Corporation.

Paige C. Donaldson, Neal B. McQueeney, Sanchez & Daniels, Chicago, for Appellees Aerico, LLC, and the individually named defendants.


Justice WOLFSON delivered the opinion of the court:

Plaintiffs Liebert Corporation (Liebert) and Zonatherm Products, Incorporated (Zonatherm) sought to enjoin several of Zonatherm's former employees from using alleged trade secrets in their new competing business, Aerico Incorporated (Aerico). Plaintiffs alleged defendants misappropriated confidential customer lists, historical bids, quotations, sales history, and price books. The trial court denied plaintiffs' motion...

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