The U.S. Supreme Court on Monday ruled 7-1 that confidential Intel documents can be turned over for use in a European antitrust investigation of the chipmaker's business practices.

"The case arose out of an antitrust complaint that Advanced Micro Devices, Intel's archrival, filed with the European Union's Directorate-General for Competition. Filed in the early part of the decade, AMD alleged that Intel unfairly used marketing funds to prevent competitors from landing deals with PC makers. AMD recommended that the EU seek documents that Intel had filed in an unrelated private antitrust case in an Alabama federal court."

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