In the following I will explain how to use Google Patents to search for patents that have been filed in two different languages for terminology research. To some extent, the same goal can of course be achieved with an Espacenet search (Espacenet is the database of the European Patent Office, EPO) or a search of other patent databases by other patent offices. However, I found Google Patents the best search engine for full text searches. As far as I know, it is also the only search engine that can simultaneously display paragraphs in two languages. More on that below.
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