Content of description

(1) The description of an invention must state the title of the invention as it appears in the petition for the patent and must– (a) specify the technical field to which the invention relates; (b) indicate the background art that, as far as known to the applicant, can be regarded as useful for the understanding, searching and examination of the invention; 14 (c) disclose the invention in such terms that it can be understood, and state its advantageous effects, if any, with reference to the background art; (d) briefly describe the figures in any drawings; (e) set forth at length, in terms of examples when appropriate, and with reference to the drawings, if any, the best mode contemplated by the applicant for carrying out the invention; and (f) indicate explicitly, when it is not obvious from the description or nature of the invention, the way in which the invention is industrially applicable and the way in which it can be made and used or, if it can only be used, the way in which it can be used. (2) The manner and order specified in this provision in respect of a description must be followed in all descriptions of inventions except when, because of the nature of the invention, a different manner or a different order would result in a better understanding and a more practical presentation.