In practice, companies regularly search the competitors's related published patent applications to determine whether they pose a threat to their own market activities. If necessary, companies can consider using the third...more
Dual-application in China specifically refers to the applications filed both for utility model and invention patent based on the same invention-creation on the same day.
In China, both the invention and utility model are...more
According to the Chinese Patent Law, the prior art means any technology known to the public before the filing date of a patent application in China or abroad.
However, there is a type of special patent application filed...more
When a patentee responds to the challenge in the patent invalidation proceedings in China, sometimes it is necessary to amend the claims in order to obtain a decision from the CNIPA to maintain the validity of the patent...more
Inventor's technical disclosure is very important as it serves as the basis for the patent attorney's communication with the inventor.
The technical disclosure should contain the following contents, technical background,...more
Hi everyone. This is Peter Zhang.
Today, I‘d like to discuss how to fulfill a cross-border patent assignment in compliance with Chinese law, specifically in the scenario of patent assignment from Chinese patentees...more
The term “microorganism” encompasses entities across the taxonomic classes including bacteria, actinomycetes, fungi, viruses, protozoa, and algae. According to current Chinese patent rules, a microorganism is neither an...more
Summary: When an uncommon parameter or a self-defined parameter is used in the claim, usually it is necessary to explain the definition and/or the measuring method of the parameter in detail. Even though a parameter is...more
In recent years, there appear not only many foreign applicants who have been constantly investing in China’s patent assets, but also some big Chinese software companies applying for a large number of invention patents on...more