Patenter og Forskning: Espacenet

Espacenet is one of the most comprehensive patent searching tool available for free. It is developed and provided by the EPO (European Patent Office). You have access to more than 130 million patent documents from over 100 countries, their national and regional patent offices.

It provides European, UK and worldwide coverage back to 1836. Full images of documents for many countries are available in Espacent, back to 1920. If you need earlier documents, you can check with the patent office of origin. 

• Espacenet 
  Searchable database of over 130 million UK, European and world-wide patents. In addition, images of the paper publications are available back to 1920 for the UK, US, EPO, WIPO, France, Germany and Switzerland. Compiled and maintained by The European Patent Office.

• Official pocket guide - advanced search tips   

• Very broad and deep coverage.
• Perhaps the best range of complete original documents in one free product
• Advanced search in English, French and German
• Classification search
• Select office/language for the Espacenet interface - 38 offices, multiple languages and countries
• Machine translation:

  • Espacenet will translate from English, French and German into 28 other EU languages (and vice versa).

  • Espacenet will also translate Chinese, Russian, Japanese and Korean into English, and vice versa.

• Legal events and status information 
• Patent families, citing and cited patents
• Claims tree - visualisation of the hierarchy of a patent's claims