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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.