A reexam request requires new prior art. You can't use what USPTO evaluated improperly (rms argued public prior art databases are a bad idea for this reason) and you're out of luck if it was something so obvious that nobody bothered writing it down. It also costs thousands of dollars per patent with no refund for winning.
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A reexam request requires new prior art. You can't use what USPTO evaluated improperly (rms argued public prior art databases are a bad idea for this reason) and you're out of luck if it was something so obvious that nobody bothered writing it down. It also costs thousands of dollars per patent with no refund for winning.