What are the requirements for Changsha, Hunan to apply for an invention patent?

What are the requirements for Changsha, Hunan to apply for an invention patent? China has now become an influential science and technology power in the world, and the number of domestic invention patents has been among the highest in the world. The following small series introduces the requirements for applying for invention patents in Changsha, Hunan. What are the requirements for Changsha, Hunan to apply for an invention patent? 1. Freshness is a must. Novelty means that the invention does not belong to the existing technology, and before the filing date, no unit or individual has applied for the same invention to the patent administration department of the State Council (namely China National Intellectual Property Administration), and it is recorded in the patent application documents or patent documents published after the filing date. Existing technology refers to the technology known to the public at home and abroad before the filing date. Second, the need for creativity The so-called creativity means that compared with the existing technology, the invention has outstanding substantive characteristics and remarkable progress. Third, it should be practical. Practicality means that the invention can be manufactured or used and can produce positive effects. In other words, an invention that cannot be made in reality or is obviously useless to life and divorced from social needs cannot be counted as practical. What are the requirements for Changsha, Hunan to apply for an invention patent?