MPEP 2200 – Citation of Prior Art and Ex Parte Re-examination

The citation of prior art deals with the presentation of patents and/or printed publications to be placed in the patent’s file wrapper. This is done to ensure their consideration is future reissue or reexamination proceedings. Ex Parte Reexaminations is a mechanism for a correction of scope and contents of a patent through a substantial new question of patentability regarding one or more claims through other patents or printed publications.

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