Lithuania's laws were codified and reforms enacted in 1529, 1557, 1565–1566 and 1588, gradually making its social, legal and economic system similar to that of Poland, with the expanding role of the middle and lower nobility.
Leedu õigus kodifitseeriti ja reformid viidi ellu aastatel 1529, 1557, 1565–1566 ja 1588, tehes selle sotsiaalse, õigusliku ja majandussüsteemi Poola omaga järk-järgult sarnaseks, keskmise ja alamaadli laieneva rolliga.