Each time Barclays gets sued in the U.S. by a former Dewey & LeBoeuf partner over capital contribution loans, the British banking behemoth turns to Jonathan Shaw, a litigation partner at Boies, Schiller & Flexner in Washington, D.C.

Barclays has done so again, this time in a case brought by Kenneth Freeling, now of counsel at Covington & Burling, who claimed last month that he should not have to pay the London-based banking giant the $361,022 it says he owes. Shaw, who declined to comment for this story, notified a federal court Tuesday in Washington, D.C., that he would appear on behalf of Barclays in the Freeling case.