In re Doughty
In In re Doughty, 832 A.2d 724, 733 (Del. 2003) the Delaware Supreme Court held that the purpose of Rule 12's bona fide office requirement is "to ensure that Delaware lawyers appearing in this Court are accessible both to the Court and to the other lawyers and parties involved in cases before this Court."
In that case, the reciprocal arrangement between Mr. Doughty and a Delaware attorney was held not in compliance with the Rule. Id.