The festival is due to be held simultaneously with the International Nanotechnology Forum in Tehran from October 4 to 8, 2012. According to the announcement of the Festival Secretariat, the registration for participation in the Fifth International Nanotechnology Festival and Exhibition and in the First International Nanotechnology Forum started on April 20, and it will last until July 21, 2012. The domestic and foreign companies, firms, and institutes that are interested in participation in the Fifth International Nanotechnology Festival and Exhibition (Iran Nano 2012) are required to carry out the registration process or the completion of their cartable through the Festival\'s website at http://festival.nano.ir. In addition, registration in the International Nanotechnology Forum (INF 2012) is possible through the Forum\'s website at http://irannano.org/inf. People who want to participate in the Exhibition for the first time are required to contact the Secretariat of the Festival in order to receive username and password. The Fifth International Nanotechnology Festival and Exhibition is scheduled to be held at the Persian Gulf Hall of Tehran Permanent International Fairground from October 4 to 8, 2012, concurrently with the First International Nanotechnology Forum (INF 2012) with the approaches of commercialization, industry and market.