any other way, prior to the filing date to the empowered authority or, where appropriate, the priority date of the application claiming the invention. In accordance with provisions of paragraph (2) of this article, a disclosure of the invention of utility model shall not be taken into consideration, if it occurred within twelve (12) months preceding the filing date of utility model or, where appropriate, the priority date of the application, and if it has resulted directly or indirectly from acts committed by the applicant or his legal predecessor, or from a violation committed by a third party with regard to the applicant or his legal predecessor. Article 58: Industrial applicability of utility model An innovation shall be considered industrially applicable, if its subject matter can be made or used in any kind of industry or any human economic activity leading to the production of goods and services. Article 59: Matter excluded from utility model protection The following shall be excluded from utility model protection even if they constitute innovations under provisions of paragraph 8 of article 5 of this Law: 1° discoveries, scientific theories and mathematical methods; 2° schemes, rules or methods for doing business, performing purely mental acts or playing games; 3° methods for treatment of the human or animal body by surgery or therapy, as well as diagnostic methods practiced on the human or animal body; this provision shall not apply to products for use in any of those methods; 4° natural substances, even if purified, synthesized or otherwise isolated from nature; this provision shall not apply to the processes of isolating those natural substances from their original environment; 5° known substances for which a new use has been discovered; this provision shall not apply to the use itself, where it constitutes an innovation (or utility model) under article 5(8) of this Law; 6° plants and animals, including their parts, other than micro-organisms, and essentially biological processes for the production of plants or animals and their parts, other than non-biological and microbiological processes; 7° animal and plant varieties; 8° pharmaceutical products in accordance with the International Conventions to which Rwanda is party;