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Empirical Research of the Maintenance Time of Foreign Patents Without the Foreign Priority Granted by USA, Korea, Japan and China

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Maintenance Time and the Industry Development of Patents
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Abstract

The foreign priority is close related with the foreign patent. For foreign patents, the number of patents with foreign priority is far more than that of the patents without foreign priority. Because of the different innovation abilities and the unbalanced intellectual property development, the average maintenance time of foreign patents without the foreign priority is shorter than that of the patents with the foreign priority granted by USA, Korea and Japan, while the average maintenance time of patents without the foreign priority is longer than that of the patents with the foreign priority granted by China.

This paper was published at the 2015 3rd International Conference on Material, Mechanical and Manufacturing Engineering, authors are Yongzhong Qiao, Yan Sun.

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Notes

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    There are different for the definition of patent in different countries. In China, it includes invention patent, utility model patent and design patent, while in USA, it includes invention patent, plant patent and design patent and in Japan and Korea it only refers to a invention patent. When patents granted by these four countries comparatively researched, it is essential to unify patents type. So in this book, patent only refers to the invention patent and foreign patent refers to the invention patent owned by foreign patentee.

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Correspondence to Yongzhong Qiao .

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Qiao, Y., Sun, Y. (2017). Empirical Research of the Maintenance Time of Foreign Patents Without the Foreign Priority Granted by USA, Korea, Japan and China. In: Qiao, Y. (eds) Maintenance Time and the Industry Development of Patents. Springer, Singapore. https://doi.org/10.1007/978-981-10-1621-9_7

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