Patent collaborations: From segregation to globalization
作者：
Highlights：
• The number of patents required to reach percolation decreases over time.
• Geographical interplay of the two major groups of applicants increases over time.
• Non-European applicants’ participation increases over time.
• Japan contributes significantly to the network’s coherence.
• The critical patents are typically introduced by large-sized applicants.
摘要
•The number of patents required to reach percolation decreases over time.•Geographical interplay of the two major groups of applicants increases over time.•Non-European applicants’ participation increases over time.•Japan contributes significantly to the network’s coherence.•The critical patents are typically introduced by large-sized applicants.
论文关键词：EPO Patents network,Giant component,Percolation,Network evolution,Globalization
论文评审过程：Received 23 May 2021, Revised 25 November 2021, Accepted 1 December 2021, Available online 25 December 2021, Version of Record 25 December 2021.
论文官网地址：https://doi.org/10.1016/j.joi.2021.101238
