Temporary presence in the country.
Section 39
SEC. 39. Temporary presence in the country.—No patent shall prevent the use of any invention in any ship vessel, aircraft, or land vehicle of any other country entering the territory of the Philippines temporary or accidentally, and such use shall not constitute infringement of the patent, provide such invention is used exclusively for the needs of the ship, vessel, aircraft, or land vehicle and not used for the manufacture of anything be sold within or exported from the Philippines.