While many squabbles within wealthy families stay out of the press, the Rupert Murdoch trust trial playing out in Reno, Nevada, has gained global attention as the latest chapter in a battle between Murdoch's children for control of the media empire the 93-year-old Murdoch built.

It's also likely to be quite lucrative for the law firms involved, said Katten Muchin Rosenman private wealth chair Joshua Rubenstein.