The suit had accused the Nobel Peace Prize laureate of "breaching national trust," Ahram Online reported Saturday.
A group of Egyptian lawyers filed the suit after ElBaradei resigned over the violent means used to break up two sit-ins by supporters of ousted President Mohamed Morsi in August.
Journalists and politicians have accused ElBaradei of being "unpatriotic" by resigning during the country's period of crisis.
Opponents have accused him of collaborating with the Muslim Brotherhood to bring down the interim government put in place after Morsi's removal. No meetings between ElBaradei and the Brotherhood have been confirmed.
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