Abstract
The article deals with the issue of the parties to the dispute. Firstly, the author analyzes the differential criterion of the contentious and non-contentious proceedings, because the parties are a term immanent for the contentious proceedings.
The litigants are the plaintiff and the defendant. There is a formal (procedural) definition which is not affected by the position of the plaintiff and the defendant in the area of civil substantive law.
The author further focuses on the analysis of the contradictory activities of the parties, while the adversarial system and the principle to hear must be strictly different from each other. It is the duty of the parties to the dispute to take care of the factual background for court decision, including all evidence.
In conclusion, the author summarizes the acquired knowledge based on the analysis of selected issues.