 Over the last twenty years, Pignatelli has consolidated his artistic research, and his path is marked by exhibitions held by some of the most distinguished national and international institutions.In 2008, he was invited by the National Archaeological Museum in Naples where Pignatelli completely covered the walls of one of the rooms with "Schermi", a series of works representing ancient Greek vases, and he also exhibited in the Church of Santa Maria delle Grazie in Milan.In 2009, Pignatelli participated in the 53rd edition of the Venice Biennale, where he was present in the Italian pavilion with three works titled ""La Battaglia di Lepanto"", positively cited by Italian art critic Gillo Dorfles.