(1)An application for a patent may be made by any person who claims to be the true and first inventor of an invention, whether he is a British subject or not, and whether alone or jointly with any other person.
(2)The application must be made in the prescribed form, and must be left at, or sent by post to, the patent office in the prescribed manner.
(3)The application must contain a declaration to the effect that the applicant is in possession of an invention, whereof he, or in the case of a joint application one at least of the applicants, claims to be the true and first inventor, and for which he desires to obtain a patent, and must be accompanied by either a provisional or complete specification.
(4)The declaration required by this section may be either a statutory declaration or not, as may be prescribed.