'the art' means field of knowledge to which an invention relates.
{"Image DocumentName": "\u2018the art\u2019 means field of knowledge to which an invention relates.", "Image ImageDescription": "\u2018the state of the art\u2019 means everything concerning that art or field of knowledge which has been made available to the public anywhere and at any time, by means of a written or oral description, or in any other way, before the date of the filing of the patent application. Principles and discoveries of a scientific nature are not necessarily inventions for the purposes of patent laws.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}