All the patents databases

The set of patented inventions is the largest collection of technical information. The patents are ordered by technical and functional criteria, from the general to the particular, by clasifications patents systems.

Patent databases allows combinations of several parameters in the search fields: title, abstract, inventor,nº patent, classification date, etc. Quotation marks are used for names composed of more than one word (e.g. "hydrogen engine", "Coca Cola"). Logical operators (e.g. AND, OR, NOT) are used between keywords in the fields. Use keywords in English, most patents are written in Engish. Use the classification of similar patents to the idea that you look for and use it to refine the search by entering it in the IPC field (International Patent Classification). The alphanumeric code truncated can be used to increase the number of results.


Some patents databases






The World Intellectual Property Organization operates under the global cooperation treaty, the PCT patent admit to choose one or more countries where protect the invention.

Settings to show results list:

Options --> Show options --> Result --> (in Displayed field) check Image and Save



GooglePatent contains patents and utility models in the EEUU.




Espacenet is the basis of the European Patents Office, contains documents from around the world, some of them have only a summary and references. The first two letters of the patent number relate the origin country, the complete document is publicated in its database.








The Japanese office provides translation into English.

To access the patents is necessary refine the search to less than 1000 results.