The Italian Revenue Agency (IRA) has published Protocol No. 48243/2022 of 15 February 2022, which provides guidance on the new patent box regime introduced by Decree-Law No. 146 of 21 October 2021, converted into law by Law No. 215 of 17 December 2021, and amended by Law No 234 of 30 December 2021. The new patent box regime provides for an additional deduction of 110% (i.e., 210% total deducti…