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From the USPTO site - 35 U.S.C.122(e) provides a mechanism for third parties to submit patents, published patent applications, or other printed publications of potential relevance to the examination of a patent application with a concise description of the asserted relevance of each document submitted.Under 35 U.S.C.122(e), such submissions must be made (...


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You can submit third party observations in respect of an international application, i.e. PCT, until month 28 from the priority date of the application. Filing the observations has no cost, they can be anonymous, and you do not require a patent attorney. In the link I provide you have a guide explaining the procedure. In the US there is also the possibility ...


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