She was a consultant for Mikhail Khodorkovsky, who was Russia's richest oligarch until he was jailed for a decade after falling foul of the Kremlin.

[2] She later worked as an assistant to opposition politician Garry Kasparov, acting as a spokesperson for his United Civil Front.

[3]In July 2007 Litvinovich highlighted the case of opposition activist Larisa Arap, who had been forced into a psychiatric clinic.

In March 2021 Litvinovich was excluded from the ONK, on the grounds that she had disclosed information relating to a probe into Lyubov Sobol, a lawyer for the jailed opposition politician Aleksei Navalny's Anti-Corruption Foundation.

Litvinovich disputed the allegation, claiming the exclusion was due to her activism on behalf of people detained in Lefortovo detention center.