非實施專利實施實體之專利訴訟實證分析

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题名:	非實施專利實施實體之專利訴訟實證分析
作者:	陳璿恩;Chen,Hsuan-En
贡献者:	產業經濟研究所
关键词:	非實施專利實體;專利訴訟;專利品質;專利移轉;零值膨脹卜瓦松模型;non-practicing entities;patent litigation;patent quality;patent transfer;zero-inflated poisson model
日期:	2016-08-02
上传时间:	2016-10-13 14:02:49 (UTC+8)
出版者:	國立中央大學
摘要:	本實證研究探討參與 Ocean Tomo 舉辦專利現場拍賣的非實施專利實體的訴訟行為。本文採用零值膨脹卜瓦松模型作為主要的實證模型,以考量計數型應變數(專利涉及案件數) 為高比例零值的資料型態。迴歸結果顯示專利品質與專利涉及案件數具有正向關係。再者,本文也發現訴訟案件數越多的專利,其移轉次數也越多。最後,本文的實證結果提供重要結論,非實施專利實體傾向取得具有品質的專利,並宣稱被告公司的產品侵害到其專利權,進而對其提起專利侵權訴訟。 ;This paper is aimed to conduct an empirical analysis of the litigation behavior of non-practicing entities (NPEs) from patent auction hosted by Ocean Tomo. In order to consider the excess zeros of litigation cases of patents owned by NPEs, we adopt a zero-inflated poisson model to implement empirical estimations. The empirical results indicate that patent quality has positive effect on the number of patent litigation cases. We also find that litigated patents positively associated with the trading numbers of the patents. Finally, the empirical results of our paper support the crucial conclusion that NPEs tend to obtain patents with higher quality, and then file lawsuits against defendant companies by claiming that their products infringes on the patents of NPEs.
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