Practice Guide

Practice Guide

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

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

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

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

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

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Official Fees for Patents in China: A Practical Overview

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How to File for a Patent Application Fee Reduction

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Batch Renaming and Full-Batch Renaming

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