5-20 weeks.
1-4 years, depending on the nature of the opposition and on the Court's workload.
Fixed Court fee equal to EUR 98 (approximately USD 115) and docket fee equal to EUR 27 (approximately USD 32). Additional costs will be incurred for the Italian translation of the foreign award as well as of the agreements including the arbitration clause (to be made by a certified translator).
Furthermore, once the exequatur is granted, the registry tax will be due (fixed at EUR 250 (approximately USD 300) or at 3% of judgment value, depending of case by case tax qualification).