Microsoft Corp. has filed five new lawsuits against U.S. companies and individuals it claims sold deeply discounted Windows and Office software intended for students.

Microsoft Corp. has filed five new lawsuits against U.S. companies and individuals it claims sold deeply discounted Windows and Office software intended for students.

The company filed the suits Monday evening in federal courts in California, Nevada and Florida, alleging the parties infringed on Microsoft's copyright by importing and distributing versions of Windows and Office that were not meant to be sold through the retail channel.