Following his defeat, Hartigan served as Chairman of the World Trade Center Illinois and worked for a law firm. In 1997, Hartigan was appointed by President
Bill Clinton to serve on the board of directors of the
Federal Home Loan Mortgage Corporation. After leaving statewide office, Hartigan has also remained involved in politics. On a national level, he was an active supporter of
Hillary Clinton's
2008 presidential campaign and, alongside other former state attorneys general, he endorsed
Joe Biden during the
2020 presidential election. In 2002, Hartigan won election to the
Illinois Appellate Court from the First District, which covers
Cook County. After two years, he chose to retire voluntarily from the bench. On March 22, 2013, Governor Pat Quinn appointed Hartigan to the
Illinois Court of Claims. He served on the court from 2013 until 2019. == References ==