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FAQ: In which countries shall I file a patent application?

You should file a patent application in countries where you have commercial interests to protect for the 20 years term of the patent. For example, to protect markets in the US and Canada, you should file 2 patent applications for the invention. If granted, the US patent will protect your US market, the Canadian patent will protect your Canadian market. Note that a US patent does not protect a Canadian market, a Canadian patent does not protect a US market.

More generally speaking, there is no such thing as a 'world patent' that protects markets in all countries of the world, and we are back at the Q&A in the above.

Related FAQ What is a PCT?

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