Patents Act, 1992

Limitation of effect of patent.

42.—The rights conferred by a patent shall not extend to—

(a) acts done privately for non-commercial purposes;

(b) acts done for experimental purposes relating to the subject-matter of the relevant patented invention;

(c) the extemporaneous preparation for individual cases in a pharmacy of a medicine in accordance with a medical prescription issued by a registered medical practitioner or acts concerning the medicine so prepared;

(d) the use on board vessels registered in any of the countries of the Union of Paris for the Protection of Industrial Property, other than the State, of the invention which is the subject of the patent, in the body of the vessel, in the machinery, tackle, gear and other accessories, when such vessels temporarily or accidentally enter the territorial waters of the State, provided that the invention is used in such waters exclusively for the needs of the vessel;

(e) the use of the invention which is the subject of the patent in the construction or operation of aircraft or land vehicles of countries of the Union of Paris for the Protection of Industrial Property, other than the State, or of such aircraft or land vehicle accessories when such aircraft or land vehicles temporarily or accidentally enter the State;

(f) the acts specified in Article 27 of the Convention on International Civil Aviation, where those acts concern the aircraft of countries, other than the State, benefiting from the provisions of that Article.