A criminal case has been opened against human rights activist Anastasia Denisova in the southern Russian city of Krasnodar, RFE/RL's Russian Service reports.
Denisova is charged with "copyright infringement" for use of unlicensed computer software.
If found guilty, Denisova could face up to six years in jail.
Her apartment was searched earlier by financial-crimes police and her laptop, hard drive, and a flash card were seized.
In October, police searched the Krasnodar offices of the nongovernmental organization Etnika, which is headed by Denisova. Etnika deals with racial discrimination issues.
Krasnodar police officials have refused to comment on the case.
Denisova was also involved in Russian-Georgian civil dialogue between NGOs.
In the summer, Denisova was prevented by officials from flying to Warsaw for a conference.
Denisova has linked her problems with the police to her human rights activity.