In patent law, industrial applicability or industrial application is a patentability requirement according to which a patent can only be granted for an invention which is susceptible of industry|industrial application, i.e. for an invention which can be made or used in some kind of industry. In this context, the concept of industry is far-reaching: it includes agriculture, for instance. An example of invention which would not be susceptible of industrial application is a method of contraception to be applied in the privacy|private and personal sphere of a human being.
In relationship with United States patent law, the utility (patent)|utility requirement is a more or less corresponding, but different, requirement.