How does the USPTO handle ex parte reexamination when all claims are held invalid by a court?
When a court issues a final decision holding all claims invalid or unenforceable in a patent undergoing ex parte reexamination, the USPTO has specific procedures to follow. According to MPEP 2286: “If all of the claims being examined in the reexamination proceeding are finally held invalid or unenforceable, the reexamination will be vacated by the…
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