What is a patent document?

? Patent documents refer to all kinds of official publications published regularly after the patent application documents have been accepted and examined by the national patent authorities according to law. Patent literature has many forms and different carriers, which are introduced below. Patent documents include not only patent applications for inventions (utility models and designs) and descriptions of invention patents, but also other kinds of documents related to inventions, as well as various retrieval reference books published by the Patent Office (such as patent bulletins, patent annual indexes, etc.). ).

Patent literature is the general name of official documents and publications produced by patent offices and international patent organizations in the process of patent examination and approval.

Patent literature is the product of patent system. Patent system is a system in which the government examines and publishes the contents of inventions, protects the ownership of inventions by legal and economic means, and promotes the progress of science and technology and the development of productive forces. The earliest patent system in the world was established in Venice, which approved the first recorded patent on February 20th, 2006. From the end of 17 to the beginning of 18, western countries successively promulgated patent laws. /kloc-In the second half of the 20th century, international patent organizations appeared and various international treaties and agreements were concluded. In the early 1980s, 130 countries in the world established patent systems (including the invention certificate system), and published about 654,380+000 patent specifications every year (reflecting about 300,000-350,000 new inventions), with an increase of 90,000 copies every year. In the mid-1980s, the total number of patent specifications notified worldwide had reached 30 million. Most countries adopt the International Patent Classification (IPC) to classify patent documents and mark the IPC classification number. The World Patent Digest and World Patent Index published by derwent Company in Britain report more than 600,000 patents in English every year, which are important retrieval tools for patent documents. China's patent law has also formed its own patent literature system since it was implemented in April of 1985 and 1, which is mainly composed of invention patent bulletin, utility model patent bulletin, design patent bulletin and patent specifications corresponding to the former two.