Under 37 CFR 1.63, who must sign the oath or declaration in a patent application, and what does it attest to?
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A
The patent attorney, attesting that the specification is enabling
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B
Each named inventor, attesting that they are an original inventor of the claimed invention
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C
The assignee, attesting that rights have been properly transferred
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D
The examiner, confirming the application is in condition for examination