美国微型专利（MP）公司发行的《世界专利检索》（WPS），据称是当今世界上第一个专利检索工具。把该公司所提供上述只读光盘（CD－ROM）与国际联网（bternet）的文件输送相结合就能进行检索。能对美国专利和商标署、欧洲专利署和世界知识产权组织3个主要专利组织所发行的专利 The World Patent Search (WPS) issued by the U.S. Micro Patent (MP) Company is said to be the first patent search tool in the world. Search can be done by combining the company’s CD-ROMs with bternet file transfers. Patents issued to the three major patent organizations of the U.S. Patent and Trademark Office, the European Patent Office and the World Intellectual Property Organization