A law firm that litigated on behalf of a dissolved company and then withdrew after admitting it did not know who had authority over the entity “went beyond poor judgment,” a federal judge has ruled.

Southern District Judge Shira Scheindlin (See Profile) sanctioned Wachtel Masyr & Missry, ordering it to pay attorney fees and costs for its continued representation of Omniway, a holding company that was set up for Gilad Sharon, the son of the former Israeli prime minister Ariel Sharon.