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1

One can only patent things they personally invent. The invention status of the original in Brazil is not relevant. Your modifications need to be novel and not obvious, the same criteria as any invention. You will need to make the patent office aware if the original item and anything else you know that would tend to hurt your case when filing a nonprovisional....


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You can look up the provisional application by its application number in Public PAIR and verify that it exists. Since that also doesn't find it according to your comment It might be a typo in the non-provisional. If the application gets a rejection based on a reference published before the non-provisional was filed and the applicant wants to disqualify the ...


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