Patents of addition are granted for the unexpired term of the principal patent. A patent application should be filed before the relevant invention has been used or published in either Lebanon or abroad.
Patent applications are subject to examination as to novelty.
Pharmaceutical formulae and compounds are patentable, as well as the methods of production are patentable. Pant Varieties may also be protected. Opposition to the grant of patents is not provided for. Taxes for maintaining patents are payable annually on the anniversary date of filing. There is a six-month grace period for late renewal of a patent.