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Today, let's talk about Patent Marking in China.
China's regulations on patent marking mainly stipulate how to mark correctly, not to mislead the public, not to make false publicity, etc. There is NO compulsory provision stating that the patentee must mark the patented product either physically or virtually.

Different from the US, in China, the patent marking is not a requirement for collecting damages for patent infringement. Generally, it is believed that marking the patent virtually in China may be helpful for the promotion (attracting Chinese investment) and protection of patent rights by informing visitors that improper use of the content on the website may constitute infringement.