The invention must never have been made public in any way, anywhere in the world, before the date on which an application for a patent is filed. Involve an inventive step An invention involves an inventive step if, when compared with what is already known, it would not be obvious to someone with a good knowledge and experience of the subject. An invention must be capable of being made or used in some kind of industry. This means that the invention must take the practical form of an apparatus or device, a product such as some new material or substance or an industrial process or method of operation. It does not necessarily imply the use of a machine or the manufacture of an article.
Agriculture is included.
Articles or processes alleged to operate in a manner clearly contrary to well-established physical laws, such as perpetual motion machines, are regarded as not having industrial application.