Green patents and green codes: How different methodologies lead to different results

IF 5.4 Q1 ENVIRONMENTAL SCIENCES Resources, conservation & recycling advances Pub Date : 2023-10-01 DOI:10.1016/j.rcradv.2023.200132

Marinella Favot , Leyla Vesnic , Riccardo Priore , Andrea Bincoletto , Fabio Morea

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引用次数: 3

Abstract

Green patents are valid instruments to measure eco-innovation which aims at reducing the negative impact on the environment and providing an efficient use of resources. There are three methodologies available to identify green patents based on the code classification: ENV-TECH (developed by OECD), IPC Green Inventory (WIPO) and Y02/Y04S Tagging scheme (EPO). Our results are: the systematic organisation of green codes for each methodology and the development of algorithms for their periodic update; the application of these methodologies to two large datasets; the comparison of the three methodologies. The relevant findings are that ENV-TECH and IPC Green Inventory should be used in combination to identify more green patents, with the inclusion of the "CPC" ENV-TECH green codes when applicable. The Tagging scheme identifies fewer green patents than the combination of the other two methodologies. The three methodologies overlap only partially (in 22.47% of cases) and their mutual integration is recommended.

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绿色专利和绿色代码：不同的方法如何导致不同的结果

绿色专利是衡量生态创新的有效工具，旨在减少对环境的负面影响并有效利用资源。根据代码分类，有三种方法可用于识别绿色专利：ENV-TECH（由经合组织开发）、IPC绿色清单（WIPO）和Y02/Y04S标记方案（EPO）。我们的结果是：系统地组织了每种方法的绿色代码，并开发了定期更新的算法；将这些方法应用于两个大型数据集；三种方法的比较。相关研究结果表明，ENV-TECH和IPC绿色清单应结合使用，以确定更多的绿色专利，并在适用时纳入“CPC”ENV-TECH绿色代码。与其他两种方法的结合相比，标记方案识别的绿色专利更少。这三种方法仅部分重叠（在22.47%的情况下），建议将其相互整合。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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