Microsoft has been granted a US patent for a variety of Apple tree, reports claim.

The Sydney Morning Herald says the granting of the patent is US Plant Patent 14,757 was granted to Robert Burchinal of East Wenatchee, Washington, and assigned to Microsoft Corporation.

The patent says: "The new variety, denominated 'Burchinal Red Delicious', was discovered by Robert Burchinal at the Adams Apple Orchard located at 2640 Bench Road, Othello, Wash., as a sport limb mutation.