Can the background technology in patent documents be used to evaluate novelty and inventiveness?
Yu Chunbo, The Chinese version was first published on iprdaily.cn, Date: January 4, 2026
Comparative Study of the Functions of USPTO Patent Search Tool PPUBS
Yu Chunbo1，Li Ying2 (1. Beijing Xuanyan Law Firm, Beijing 100089; 2. Beijing Liuchen Law Firm, Beijing 100080) , The Chinese version was first published on China Invention & Patent (Journal of Intellectual Property Information Science) ，Volume 20, Issue 3，March 2023
Protecting Trade Secrets: Don’t Be “Belatedly Aware”
Yu Chunbo , The Chinese version was first published on China Intellectual Property News, Page 11, Date: October 11, 2023
Acceptance of Claim Amendments in Patent Invalidation Proceedings
Yu Chunbo, The Chinese version was first published on iprdaily.cn, Date: November 18, 2025
Yu Chunbo, The Chinese version was first published on iprdaily.cn, Date: May 6, 2025
Use of Publication Evidence in Design Patent Invalidation
Yu Chunbo , The Chinese version was first published on iprdaily.cn, Date: March 3, 2025
Patent infringement determination related to “functional limitations”
Yu Chunbo, The Chinese version was first published on iprdaily.cn, Date: January 23, 2025
Yu Chunbo, The Chinese version was first published on iprdaily.cn, Date: January 7, 2025
Be wary of commercial defamation in intellectual property disputes
Yu Chunbo, The Chinese version was first published on IP Frontiers WeChat Official Account, Date: December 24, 2024