質問
If I apply for a patent in just one European country, is there a way to later expand the patent over different countries? Can I use the priority date from the national patent for the application in other countries or a European patent?
回答: 2 public & 1 非公開
The short answer is yes, but there is a time limit. When you file a patent app in a first country, you can file a PCT application within one year of that first filing which then opens the door to other European countries as well as countries outside of Europe, but the PCT filing must be filed within one year from the date of your first application filing.
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