The state intellectual property office (sipo) revised the guide to patent examination, which involves patent applications related to alliance chain

China's state intellectual property office (sipo) has announced changes to the patent review guidelines, which will come into effect on February 1, 2020.

According to the new guidelines,How to prevent the block chain service nodes from leaking users' private data in the alliance chain network, belongs to the technical problems of increasing the safety of the data block chain, through the communication in the request to carry the CA certificate and list of pre-configured CA trust way to determine whether the connection is established, limits the business nodes to establish a connection object, using the technology, follow the law of acquired business secure communication between nodes and reduce data privacy business node possibility of technical effect. Therefore, the solution to the relevant invention patent application belongs to the technical solution stipulated in article 2, paragraph 2, of the patent law and belongs to the object of patent protection.

The original link: http://www.cnipa.gov.cn/zfgg/1144989.htm

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