Post-Issue Patent "Quality Control": A Comparative Study of US Patent Re-examinations and European Patent Oppositions
收藏NBER2002-02-01 更新2025-01-04 收录
下载链接：
https://www.nber.org/papers/w8807
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资源简介：
We report the results of the first comparative study of the determinants and effects of patent oppositions in Europe and of re-examinations on corresponding patents issued in the United States. The analysis is based on a dataset consisting of matched EPO and US patents. Our analysis focuses on two
提供机构：
美国国家经济研究局
创建时间：
2002-02-01
