Caveat emptor Judge Benjamin N. Cardozo established that privity of duty is no longer required in regard to a lawsuit for product liability against the seller. This case is widely regarded as the origin of "caveat venditor" as it pertains to modern tort law in US. "Caveat lector" is Latin for "let the reader beware". One variant of this phrase is "caveat auditor", where the caveat is addressed to any receiver of a given (kind of) message (not necessarily a written one). Caveat emptor Caveat emptor (, ) is Latin for "Let the buyer beware" (from "caveat", "may he beware", a subjunctive
Patent caveat as the proposed patent, the Patent Office notified the holder of the caveat, who then had three months to submit a formal patent application with claims. If the two patent applications claimed the same invention, an interference would then be declared and neither patent could be issued until it was determined which was the first to invent. Perhaps the most famous example of such a conflict was on 14 February 1876, when Elisha Gray filed a patent caveat and Alexander Graham Bell filed a patent application on the same day, both relating to the telephone. Gray ended up abandoning his