Ferro told reporters on Saturday that the cases were heard in municipal courts and involve people accused of committing less serious crimes, such as public disorder.
Cuba’s Attorney General Yamila Pena Ojeda told reporters on Saturday that there are already people who have been released because their innocence has been proven, while others have been subject to fines or administrative measures.
July brought Cuba its largest protests since 1994, with multiple casualties and arrests.
With years of shortages of basic goods, including food, and an economic decline in the background, people were angered by the way the government handled the COVID-19 response and persecuted critics. Thousands took to the streets to demand free elections and social order.
The United States imposed a new round of sanctions on Cuba this week, targeting the Cuban military and the interior ministry over the crackdown on protesters.