This thesis deals with the purchase contract. The purchase contract is the most widespread contract in the Czech Republic. In the first part there is the history of the purchase agreement described, the definition of the legal adjustment and the comprehensive view of the purchase contract. In the first part there is also the chapter called the comparison of purchase contract with the new Civil Code. In this part there are the most considerable changes defined and described. The new Civil Code is effective from the 1st of January 2014. In the second section there is the purchase agreement assembled. Every particular part is analyzed and described. The particular parts contain the own opinions and commentary. The purchase contract is closed o...