Task: Text Categorization
Input (English): of most relevance here, the u.s. bank action was filed on september 15, 2010, in the u.s. district court for the northern district of texas by u.s. bank national association (""u.s. bank""), the entity appointed litigation trustee in idearc's bankruptcy, to recover funds for the benefit of idearc debt securities holders and other creditors.
Output (English): non-overruling