"The governor's actions are going to be immensely popular with all Penn State alumni," Desmond said.
Corbett, a Republican, said his office did not coordinate its legal strategy with state Attorney General-elect Kathleen Kane, who is scheduled to be sworn in Jan. 15. Instead, the current attorney general, Linda Kelly, granted the governor authority to pursue the matter.
Kane, a Democrat, ran on a vow to investigate why it took prosecutors nearly three years to charge Sandusky. Corbett was attorney general when his office took over the case in 2009.
Kane had no comment on the lawsuit because she was not consulted about it by Corbett's office.
State and congressional lawmakers have objected to use of the NCAA fine to finance child-abuse prevention efforts in other states. Penn State has already made the first $12 million payment, and an NCAA task force is deciding how it should be spent.