Dr. Jacqueline Lui, President of Eagle IP Limited, joined the IPO Fact-Finding Trip to China (Beijing), organized by the IPO Asian Practice Committee.

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China’s Newest Examination Guidelines: Inventive Step for Biological / Life Science Inventions (Part III)

30 April 2021
This is Part III of a three-part series summarizing the Examination Guidelines that were released by the CNIPA on January 15, 2021, one year to the date of Phase 1 of the US and China Economic and Trade Agreement. That agreement included specific provisions where China "shall permit pharmaceutical patent applicants to rely on supplemental […]

The Secret Prior Art Trap: A Case Study on Conflicting Applications in China

13 November 2025
In patent prosecution, the concept of a "conflicting application" or “secret prior art” plays a critical role in determining the patentability of an invention. This article explores the framework for assessing conflicting applications under Chinese patent law, with a comparative perspective on the approaches adopted in the United States. Case Background: The Image Encoding Dispute […]

IP Strategies for the Newly Released Implementation Regulations of the 4th Amendment of the Chinese Patent Law: Part 3: The 15-Day Mailing Period is Mostly Going Away

28 February 2024
A Closer Look at the New Presumed Receipt Date Calculation Background China has finally released the long-awaited Patent Law Implementation Regulations (“Regulations”) and associated "Patent Examination Guidelines" (“Guidelines”, similar to the United States' MPEP) which provide further clarity and details of the new Chinese patent law. Today’s article will focus on changes that impact how […]

Breaking News: China passes Fourth Amendment to the Chinese Patent Law

19 October 2020
After 12 years, the Fourth Amendment to the Chinese Patent Law has passed and will be in effect on 1 Jun 2021. After years of multiple draft amendments that moved in various directions, we FINALLY have some clarity on what patent protection is going to look like in China in the coming future. Many of […]
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