The first patent law ever was Venetian, issued by the Pregadi (Senate) on March 19th, 1474.
The Republic of Venice changed continuously as conditions inside and outside of it changed, until it gradually found its final form in the 1300s and 1400s.
“Pregadi” from the Lessico Veneto (1851) by Fabio Mutinelli, translated by René Seindal.
“Pregài o Pregadi” from the Dizionario del Dialetto Veneziano by Giuseppe Boerio.
“Monachini, Moneghini” from the Lessico Veneto (1851) by Fabio Mutinelli, translated by René Seindal.
The doge was the elected head of the Venetian Republic. He was elected for life by an arcane process that also included drawing lots.