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About Us Established in 1993 as the first private patent agency authorized to handle foreign-related patent matters in China, Liu, Shen & Associates…
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Liu Shen & Associates | China, European Union | 28 Apr 2020

Interpretation of Revision to Chapter 9 of the Guidelines for Patent Examination in China

The Chinese National Intellectual Property Administration (CNIPA) published a final version of the revision to Chapter 9, Part II of the Guidelines…
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Liu Shen & Associates | China | 14 Apr 2020

Drafting the best background section of patent applications

How much disclosure is appropriate for the background section of a patent application? This question is difficult to answer, especially when it…
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Liu Shen & Associates | China | 11 Mar 2020

Standard Essential Patents Royalty Calculation in Telecommunication Industry

In China, the number of standard-essential patent (SEPs) lawsuits in the telecommunications field has been explosively increasing for the past two…
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Liu Shen & Associates | China, European Union | 5 Mar 2020

The IoT changes China’s IP landscape

Technologies related to the Internet of Things (IoT) are developing rapidly, and these Technologies dramatically facilitate human life, manufacturing…
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Liu Shen & Associates | China | 15 May 2019

Case Study on Experimental Data Filed After Application Date

When inventiveness of the claimed invention is rejected during patent prosecution, it is a commonly-used method to prove technical effects by…
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