Study on the differences between the classification symbols of US patents under parallel IPC and CPC systems

碩士 === 國立臺灣科技大學 === 專利研究所 === 107 === Since 2015, the European Patent Office (EPO) and the United States Patent and Trademark Office (USPTO) have abandoned their respective European Patent Classification (ELCA) and US Patent Classification (USPC) and begin to adopt a new classification system-Cooper...

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Bibliographic Details
Main Authors: Chin-Yuan Chang, 張晉源
Other Authors: Chung-Huei Kuan
Format: Others
Language:zh-TW
Published: 2019
Online Access:http://ndltd.ncl.edu.tw/handle/2w68fb