Ugovor o kupoprodaji je jedan od najvažnijiih ugovora u pravu Republike Hrvatske koj je uređen Zakonom o obveznim odnosima. Vrste ugovora o kupoprodaji su opći, trgovački i potrošačka. Zakon propisuje šest vrsta kupoprodaje s obzirom na cilj i svrhu samog ugovora o kupoprodaji. Pravni ustroj kupoprodaje detaljno je opisan Zakonom ,ali i drugim pravnim propisima i pravilnicima. Zakon i pravilnici detaljno su opisali tko može biti stranka, koja su prava i obveze ugovornih strana, na koji se način uređuju njihovi odnosi, utvrđivanje nedostataka na stvari i naknade štete te koji su pravni učinci ugovora o kupoprodaji.The purchase contract is one of the most important contracts in the law of Republic of Croatia regulated by the Mandatory Obligations Act. Types of the purchase contract are general, commercial and consumer. The law prescribes six typer of purchase with regard to the purpose of the purchase contract itself. The legal structure of purchase is detailed in the Act, but also in other legal regulations. The law and obligations have described in detail wgo can be a party ro rhe contract of sale, the rights and obligations of the contracting parties, howe they regulate their relatinships determine the defects of the property and the compensation of damages and what are the legal effects of the purchase contract