"Certified Copy" premiered on 18 May 2010 at the 63rd Cannes Film Festival as part of the main competition. It was released the following day in regular French cinemas through MK2. The film opened in 101 venues and had an attendance of 70,876 the first week, resulting in a ninth place on the French box office chart. After the theatrical run's second week, the number of screens had been increased to 147 and the film climbed one position on the chart, with a total attendance of 151,152. The French website AlloCiné reported a final total of 240,797 admissions.