Task: Text Categorization
Input (English): it further reasoned that ""[n]othing suggests the director enjoys a license to depart from the petition and institute a different inter partes review of his own design"" and that ""congress didn't choose to pursue"" a statute that ""allows the director to institute proceedings on a claim-by-claim and ground-by-ground basis"" as in ex parte reexamination.
Output (English): non-overruling