Caveat

Lat. Let him beware. A formal notice or warning given by a party interested to a court, judge, or ministerial officer against the performance of certain acts within his power and jurisdiction. This process may be used in the proper courts to prevent (Lemporarily or provisionally) the proving of a will or the grant of administraan appeal, to prevent the grant of letters patent, ete. It isalsoused, in the American practice, as a kind of equitable process, to stay the granting of a patent for lands. In patent law. A Caveat is a formal written notice given to the officers of the patent-office, requiring them to refuse letters patent on a particular invention or device to to any other person, until the party filing the caveat (called the “eaveator”) shall have an opportunity to establish lis claim to priority of invention.