comparative study of the legal status of "new use patents" in the field of patent law

the patents’ term prolongation through protecting the new detected uses is the problematic matter that has been seriously attended by the developed countries in recent years. iranian legislators’ uncertainty toward the subject within the respective legislatures illustrates the legal importance of taking a stance, which is consistent with the primary principles of patent law and international obligations. the present article, aiming at finding a comprehensive approach, surveys the legal status of  the mentioned emerging  issue at three levels i.e. international (trips agreement),  regional (european patent convention and andean :union:), and territorial laws. based on the findings of this work, the uncontested and primary principles of patent law entail that the new uses either within opponent or proponent jurisdictions must be posed as “process invention”. accordingly, the opponent jurisdictions via narrowing, and proponent jurisdictions via extending the domain of legal definition of “process invention” shall adjust and restrict the protect ability of these intellectual achievements