专利制度在世界上已有三百多年的历史了，这对促进世界科学技术进步、加速世界经济发展起了非常重要的作用．尤其是在欧、美、日等一些发达的资本主义国家，专利制度对他们的工业发展起了很大的促进作用，使得他人受益匪浅．我国自从1985年4月1日正式实施专利法以来，广大科技 The patent system has a history of more than three hundred years in the world. This has played a very important role in promoting the progress of world science and technology and accelerating the development of the world economy. Especially in some developed capitalist countries such as Europe, the United States, and Japan, the patent system has greatly facilitated their industrial development and benefited others. Since the patent law was officially implemented on April 1, 1985 in our country, the vast majority of science and technology