As part of the Patent Knowledge Nuggets series, this video shows users how to search for patent documents on Espacenet from a specific country or regional patent authority at a certain stage of the patent procedure. [ Ссылка ]
![](https://i.ytimg.com/vi/PBDa-voY8ss/maxresdefault.jpg)
As part of the Patent Knowledge Nuggets series, this video shows users how to search for patent documents on Espacenet from a specific country or regional patent authority at a certain stage of the patent procedure. [ Ссылка ]