Tato diplomová práce se věnuje aktuální úpravě předkupního práva v občanském zákoníku a jejím největším nedostatkům. V této souvislosti je kladen důraz na ustálenou rozhodovací praxi soudů. Obsahem je rovněž komparace stávajícího zákonného vymezení s cizími právními řády a úvahy nad jeho úpravou de lege ferenda.This thesis is focused on regulation of the right of first refusal in currently valid Civil Code. Principle of this institute is that it allows an individual designated person that they have, under certain assumptions affect the future destiny of things. The legal regulations of the right of first refusal in the Czech Republic suffer from certain amount of inadequacies. This state is caused by the historical progression of the country. I compare the actual problems of the right of first refusal and decision making practice. Judicial decisions are organized in logical parts and there was an effort to provide an overall and comprehensive overview of the opinions held by courts on the individual legal questions. Diploma work is divided into several chapters. On the beginning I am interested in right of first refusal generally. Especially I describe the legal grounds of its origin, law or contract. If owner and potential buyer sign contract it doesn´t mean pressure to sell a property. The right is depends on owner´s decision to sell and the one who wants to buy it can only react to the owner´s offer. Next part pursues a different effect between obligation right and right in rem. The most important chapter includes main question of right of first refusal such as existence of certain buyer, notification of purchase price and change person of legal relationship. The legal pre-emption right of the proportionate co-owners is unusual institute, which causes many problems in legal practice. The next part analyses interpretation of the legal pre-emption right in cases of donation. The topic titled ?exercise of the right of first refusal? contains offer to use the right, its qualify acceptance and conclusion of a contract. The final chapter deals with questions about infringement of the right of first refusal and their subsequent remedies. To conclude this thesis compares the present and futures legal regulation and summarizes detected knowledge. De lege lata legal regulations have many imperative rules. In the future, it will be possible more accurately adapted to the contractual agreement.