When it became clear that Iran intended to put Reiss on trial, officials at the highest level of the French government publicly mobilized on her behalf; French Foreign Minister Bernard Kouchner called the charges against her "absurd" and President Nicolas Sarkozy dismissed them as "pure fantasy".

"[7] She was released on bail and resided at the French embassy, unable to leave the country pending the outcome of her trial.

[12][13][14] Another source says it was the efforts of Turkey’s foreign minister, Ahmet Davutoglu who secured the release of Clotilde Reiss [15] She arrived in Paris on Sunday, the 16 May 2010, at around one o'clock and was received at the Élysée by the president Nicolas Sarkozy.

[17] Several days before her liberation, on 5 May 2010, a French court refused the extradition of Majid Kakavand, accused by the US of illegally procuring US and European high-tech components for Iran,[18] to the US and set him free.

Pierre Siramy, a former deputy director of the French Directorate-General for External Security, claimed that she had worked as a contact for DGSE representative in Tehran and voluntarily provided information on Iran to France on the Iranian political climate, arms and nuclear proliferation.