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Vol.7 No.3
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Patent Infringement under Japanese Patent law: Comparative Study with Chinese Patent Law

Asian Journal of Innovation and Policy / Asian Journal of Innovation and Policy, (P)2287-1608; (E)2287-1616
2018, v.7 no.3, pp.606-624
https://doi.org/10.7545/ajip.2018.7.3.606
Wanli Cai (Toyohashi University of Technology)
Wanli, C. (2018). Patent Infringement under Japanese Patent law: Comparative Study with Chinese Patent Law. Asian Journal of Innovation and Policy, 7(3), 606-624, https://doi.org/10.7545/ajip.2018.7.3.606
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Abstract

Patent infringement is defined as implementing a whole patent product without authorization, which is called literal infringement. However, the alleged infringer sometimes does not directly produce the same product with the patented invention, but they simply replace some claimed elements with new materials, or they only produce a certain part of the patent product. Therefore, there is an issue on whether the above cases should also be deemed as patent infringement. This paper uses specific cases to analyze the formation and development process of the doctrine of equivalents and indirect infringement theory in Japan. Then, by discussing the interpretation of Article 101 of the current Japanese patent law, this paper makes it clear that whether it constitutes direct or indirect infringement in some particular cases. The objective of this paper is to clarify the specific requirements of patent infringement under Japanese patent law by case studying and comparing with the patent legal system of China.

keywords
Patent infringement, literal infringement, the doctrine of equivalents, indirect infringement, subjective indirect infringement, objective indirect infringement

Reference

1.

Chinese Patent Law (2008) Article 59.

2.

Chinese Patent Law Amendment (4th Draft), Article 62.

3.

Chinese Judicial Interpretation: Several Provisions of the Supreme People's Court on Issues Concerning Applicable Laws to the Trial of Patent Controversies (No.21(2001)), Article 17.

4.

Court of Japan Showa 50 (WA) 9647, Tokyo District Court, Http://www.courts.go.jp/ app/files/hanrei_jp/235/014235_hanrei.pdf.

5.

Court of Japan. Heisei 23 (WA) 19435, Tokyo District Court, Http://www.courts. go.jp/app/files/hanrei_jp/042/083042_hanrei.pdf.

6.

Court of Japan Heisei 6 (O) 1083, The Supreme Court, Http://www.courts. go.jp/app/files/hanrei_jp/790/052790_hanrei.pdf.

7.

Japanese Patent Law, Article 29.

8.

Japanese Patent Law, Article 68, 70, 101.

9.

Japan Patent Office (2007) Patent Infringement litigation in Japan, Http://quon-ip.jp/30e/Patent%20Infringement%20Litigation%20in%20Japan.pdf.

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Martin, A. (2011) Global Issues in Patent Law, West, 207-214.

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Takabayashi, R. (2014) Patent Law, Yuhikaku, 166-171.

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Tamura, Y. (2009) The Theory of Patent Law, Yuhikaku, 169-179.

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