Caveat emptor by phone, also have a statutory "cooling off" period of fourteen calendar days during which the purchase contract can be cancelled and treated as if not done. Although no longer applied in consumer law, the principle of "caveat emptor" is generally held to apply to transactions between businesses unless it can be shown that the seller had a clear information advantage over the buyer that could not have been removed by carrying out reasonable due diligence. "Caveat venditor" is Latin for "let the seller beware." In the landmark case of "MacPherson v. Buick Motor Co." (1916), New York Court Appeals
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