A letters patent is not sealed. It is open for public viewing at the patent and trademark office. The letters patent gives the rights of an invention to a person or entity for a limited period, usually for 20 years. The government may also refer to a patent as a "license" giving its holder rights to the innovative process, design or invention for a certain amount of time.
Investment dictionary. Academic. 2012.
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Letters patent — are a type of legal instrument in the form of an open letter issued by a monarch or government, granting an office, right, monopoly, title, or status to a person or to some entity such as a corporation. The opposite of letters patent (Lat.… … Wikipedia
Letters Patent — von Queen Victoria Letters Patent (lat.: litterae patentes) (deutsch: offener Brief) bezeichnet im englischen Sprachraum ein Dokument, über welches ein Herrscher oder eine entsprechend autorisierte Institution … Deutsch Wikipedia
letters patent — see letter 2 Merriam Webster’s Dictionary of Law. Merriam Webster. 1996. letters patent … Law dictionary
letters patent — UK US noun [plural] ► LAW a formal document from a king, queen, or government that gives someone a particular right: »The coat of arms was granted by letters patent of Edward IV … Financial and business terms
letters patent — [let′ərz pat′ nt] n. a document granting a patent: see PATENT … English World dictionary
Letters patent — Letter Let ter, n. [OE. lettre, F. lettre, OF. letre, fr. L. littera, litera, a letter; pl., an epistle, a writing, literature, fr. linere, litum, to besmear, to spread or rub over; because one of the earliest modes of writing was by graving the… … The Collaborative International Dictionary of English
letters patent — Open letters, as distinguished from letters close. An instrument proceeding from the government, and conveying a right, authority, or grant to an individual, as a patent for a tract of land, or for the exclusive right to make and sell a new… … Black's law dictionary
Letters Patent — Document announcing an honor or power for an individual, granted by an official or nobleman. For example, arms might be granted by letters patent, or they might be granted lordship over a feudal estate. ♦ Sealed and open letters, often enrolled… … Medieval glossary
letters patent — patent authorization, certificate of patent for an invention … English contemporary dictionary
Letters Patent — These were royal letters, sent open with a seal and pendant attached. Their contents were not considered to be secret. Such letters authorised an action or instructed e.g. a sheriff to act. They date from 1201. [patent < Lat. pateo = open] … Dictionary of Medieval Terms and Phrases