Section 54. Patents of addition

CHAPTER IX PATENTS OF ADDITION 54. Patents of addition . — (1) Subject to the provisions contained in this section, where an application is made for a patent in respect of any improvement in or modification of an invention described or disclosed in the complete specification filed therefor (in this Act referred to as the "main invention") and the applicant also applies or has applied for a patent for that invention or is the patentee in respect thereof, the Controller may, if the applicant so requests, grant the patent for the improvement or modification as a patent of addition. 1. Subs. by Act 15 of 2005, s. 37, for "Where a patent has been revoked" (w.e.f. 1-1-2005). 2. Subs. by s. 37, ibid ., for "court" (w.e.f. 2-4-2007).