Why should we conduct a patent search before applying for a patent? Patent applications do not apply just because you want to, and you cannot apply for the same patent as others. Patent search is an important way to apply for a patent and find the required patents. Understanding this knowledge can help avoid unnecessary patent disputes. Why should you conduct a patent search before applying for a patent? 1. Avoid duplication of development. 2. Whether the same technology exists in related fields. 3. Avoid patent infringement (if someone else develops the same technology and applies for patent protection, if we want to use the technology, we must obtain the consent and permission of the patentee and pay a certain royalty, otherwise it is an infringement.) 4 . By searching for relevant patents in the same industry at home and abroad, we can help ourselves better complete the updates and advancements of various products and technologies. There are two ways to search for patents. One is to search in the public database of the National Intellectual Property Network, where you can search for announcements, patent application information, abstracts or brief description data; you can also entrust a professional Patent agencies conduct patent inquiries. The legal status of a patent includes the granting of patent rights, the right to apply for a patent, the invalidation of a patent right, the termination of a patent right, the restoration of a patent right, the pledge, preservation and termination of a patent right, the filing of a patent license contract, and the implementation of a patent. compulsory license and changes in the name, nationality and address of the patentee. Patent search Patent search can be divided into: patent validity search and patent regional search. Patent validity search refers to a search of the current status of a patent or patent application, with the purpose of understanding whether the patent is valid. Patent regional search refers to a search of those countries and regions in which an invention and creation has been patented, with the purpose of determining the national scope of the patent application. Basically, I can know patent legal information from patent search tools. The patent search methods mentioned above are helpful to have a general understanding of patent legal information. Nowadays, there are many patent search tools, including soopat, Baiteng, Search on platforms such as Smart Bud. Domestic patent search platforms generally collect patent technical documents and legal information for all patents, making it convenient for everyone to check the legal status of patents. How to check whether a patent is duplicated? The patent application will be made public within 18 months, and the information can only be seen after it is made public. Therefore, the patent application status cannot be seen on any platform before it is made public. After the patent is published, you can conduct a patent search on various patent search platforms, and the patents retrieved are those that have been registered and applied for. You can search on the official website of the State Intellectual Property Office, or go to some patent search websites. If you cannot search by yourself, you can go to a patent agency and entrust a patent agent to help with the search, which requires a fee.