1. acts done privately and for non-commercial purposes;
2. acts done for experimental purposes relating to the subject matter of the patented invention;
2a. the use of biological material for the purpose of breeding, discovering and developing a new plant variety;
2b. studies, experiments and the practical requirements resulting therefrom which are necessary for obtaining authorisation to put medicinal products into circulation in the European Union, or which are necessary for obtaining authorisation to put medicinal products into circulation in the Member States of the European Union or in third countries;
3. the extemporaneous preparation in a pharmacy, in individual cases, of a medicine in accordance with a medical prescription or acts concerning the medicine so prepared;
4. the use of the patented invention on board vessels of another State party to the Paris Convention for the Protection of Industrial Property in the body of such vessel, in the machinery, tackle, gear and other accessories, when such vessels temporarily or accidentally enter the waters to which the territorial scope of this Act extends, provided that the patented invention is used there exclusively for the needs of the vessel;
5. the use of the patented invention in the construction or the operation of aircraft or land vehicles of another State party to the Paris Convention for the Protection of Industrial Property or the use of accessories to such aircraft or land vehicles when these temporarily or accidentally enter the territorial scope of this Act;
6. the acts specified in Article 27 of the Convention on International Civil Aviation of 7 December 1944 (Federal Law Gazette 1956 II, p. 411) where these acts concern the aircraft of another State to which this article applies.