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Information and knowledge management: Patents


Patent classifications

The patent classification is a way of defining the technical field of an invention, it allows you to restrict your search to a particular technical field and to keep the number of search results at reasonable level (PRH, 2016).

Commonly used patent classificatios are:

Country- and kind codes

National patent offices: Websites and databases

WON list includes websites and patent databases of all countries' patent offices. Some examples:

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