Caveat emptor sale of new residential housing by a builder-seller and that the "caveat emptor" rule applies to all other real-estate sale situations (e.g. homeowner to buyer). Other jurisdictions have provisions similar to this. Under Article 2 of the Uniform Commercial Code, adopted by all U.S. states, the sale of new goods is governed by the "perfect-tender" rule unless the parties to the sale expressly agree in advance to terms equivalent to "caveat emptor" (such as describing the goods as sold "as is" and/or "with all faults") or other limitations such as the below-discussed limitations on remedies. The perfect-tender rule states that
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