Legal capacity in Roman law is a person’s recognised ability to hold rights and duties and to act within the legal system. It determines whether someone can own property, enter contracts, sue, or be sued. Capacity depends on status factors such as age, citizenship, and mental fitness.
Legal capacity is central in Roman private law because not every person could act independently in legal transactions. For example, children under puberty had limited capacity and were often represented by a guardian (tutor), while those with full capacity could manage property and enter binding agreements. In exam scenarios, capacity issues commonly arise where a contract or will is challenged on the basis that one party lacked the legal ability to act. It also intersects with family law, particularly where paternal authority (patria potestas) restricts the capacity of family members under the household head.
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