The development and evolvement of the patent legislation , the cases laws and the practical criteria for patent applications were focused. The Patent Systems for Inventions of Computer Software in the USA and EU were analyzed comparatively. The current patent systems and examinations in USPTO an EPO were summarized to use their experience for our reference.
余翔, 刘珊. 美国、欧盟计算机软件相关发明的专利保护比较研究[J]. J4, 2006, 3(1): 98-.
YU Xiang, LIU Shan. Comparative Analysis of the Patent Systems for Inventions of Computer Software Between the USA and EU. J4, 2006, 3(1): 98-.