What is the significance of the file wrapper in patent examination?
What is the significance of the file wrapper in patent examination?
The file wrapper, also known as the prosecution history, is a crucial component in patent examination. According to MPEP 719, “The file wrapper (sometimes referred to as the file history) contains the complete record of proceedings in the Patent and Trademark Office on an application.” This record is essential for understanding the evolution of a patent application and the reasoning behind examiner decisions. It provides transparency in the examination process and can be used to interpret patent claims during potential future litigation.
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