Stambovsky v. Ackley New York, at the time, adhered to property law doctrine of "caveat emptor". The appellate court reversed the trial court's decision regarding the rescission action, however, as it went on to note that "haunting" was not a condition that a buyer or potential buyer of real property can and should be able to ascertain upon reasonable inspection of the property. According to the court, though the doctrine of "caveat emptor" would normally operate to bar a rescission action, causing seller to have no duty to disclose information about the property to be sold (but also preventing the seller from affirmatively
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