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All original articles published by Zhihai Yida, listed in reverse chronological order — covering Chinese IP policy analysis, practice guides, industry developments and IP history.

Latest Articles

Listed in reverse chronological order, continuously updated

A Foreign Applicant with No Place of Business in China: How to Appoint a Chinese Patent Agency

A Foreign Applicant with No Place of Business in China: How to Appoint a Chinese Patent Agency

Patent Annuity Rules Compared: China, the US, the EPO, Japan, Korea and Germany (2026)
Flat illustration of a calendar with a marked deadline, coins, a fee schedule and a globe with six nodes, representing international patent annuity rules

Patent Annuity Rules Compared: China, the US, the EPO, Japan, Korea and Germany (2026)

How to Verify a Chinese Patent Agency and Its Attorneys: A Due-Diligence Checklist for Foreign Applicants

How to Verify a Chinese Patent Agency and Its Attorneys: A Due-Diligence Checklist for Foreign Applicants

China Extends China–NZ PPH Pilot by Five Years
中新专利审查高速路PPH试点延长主题插画

China Extends China–NZ PPH Pilot by Five Years

China’s “Standard for Determining General Trademark Violations” (Part I): Purpose, Scope and Mandatory Registration
商标一般违法判断标准解读配图

China’s “Standard for Determining General Trademark Violations” (Part I): Purpose, Scope and Mandatory Registration

China’s Revised Implementing Rules for IC Layout Design Protection: Key Changes for Applicants
集成电路布图设计保护条例实施细则修订主题配图

China’s Revised Implementing Rules for IC Layout Design Protection: Key Changes for Applicants

Filing a Patent in China as a Foreign Applicant: The Complete Procedure Guide (2026)

Filing a Patent in China as a Foreign Applicant: The Complete Procedure Guide (2026)

China–Thailand IP Cooperation Advances: GI Mutual-Protection Pilot and the Patent Prosecution Highway
中泰知识产权合作主题插画：天平、卷宗与印章台，无文字

China–Thailand IP Cooperation Advances: GI Mutual-Protection Pilot and the Patent Prosecution Highway

China’s CNIPA and the EPO Deepen Comprehensive Strategic Partnership with New Data-Exchange Agreement
中欧两局知识产权合作主题插图

China’s CNIPA and the EPO Deepen Comprehensive Strategic Partnership with New Data-Exchange Agreement

China’s CNIPA and Spain’s OEPM Launch ‘China–Spain IP Liaison Mechanism’ Pilot
中西联络员机制：跨境知识产权合作示意图

China’s CNIPA and Spain’s OEPM Launch ‘China–Spain IP Liaison Mechanism’ Pilot

Paying Patent Annuities in China: Deadlines, Late Fees and Lapse Risk — with Zhihai Yida’s Free Annuity Monitoring Service
台历上的缴费截止日与金色闹钟、盾牌，象征专利年费监控与到期提醒

Paying Patent Annuities in China: Deadlines, Late Fees and Lapse Risk — with Zhihai Yida’s Free Annuity Monitoring Service

China’s Trademark Guide (Part 6): Seven Ways a Mark Becomes “Falsely Marked”
冒充注册商标的认定与七种情形——审阅桌面、天平与印章台主题插画

China’s Trademark Guide (Part 6): Seven Ways a Mark Becomes “Falsely Marked”

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