file wrapper

noun
file wrap·​per

Legal Definition of file wrapper

: a written record in a patent office of the application and negotiations for a patent preceding the issuance of the patent — see also file wrapper estoppel at estoppel sense 1

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“File wrapper.” Merriam-Webster.com Legal Dictionary, Merriam-Webster, https://www.merriam-webster.com/legal/file%20wrapper. Accessed 8 Aug. 2020.

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