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Express Scripts Sues E&Y Alleging Trade Secret Theft

Express Scripts Inc. sued the accounting firm Ernst & Young LLP and one of its partners for the alleged theft of trade secrets and misappropriation of the pharmacy benefit manager’s confidential and proprietary data.

The Express Scripts Holding Co. unit said in a complaint filed in state court in Clayton, Missouri, that it learned last year that accounting firm partner Don Gravlin had been “sneaking” into its St. Louis headquarters and e-mailing documents to a private Google account via the account of an Ernst & Young consultant.