What does the term factum probandum refer to?

The term "factum probandum" refers specifically to the essential facts that form the basis of a plaintiff's cause of action in a legal case. This concept is fundamental in legal proceedings, as it outlines what must be established or proven by the party bringing the case. Essentially, these are the pivotal facts upon which a legal argument rests, and their verification is crucial for the plaintiff to succeed. By identifying and proving these facts, the plaintiff demonstrates that there is a legitimate claim or legal basis for their action, thereby fulfilling their obligation in presenting their case. Understanding "factum probandum" helps clarify the framework of legal claims and the evidence required to support them effectively in court.