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Home » Law Dictionary » L » LETTERS PATENT

LETTERS PATENT

TheLaw.com Law Dictionary & Black's Law Dictionary 2nd Ed.

The name of an instrument granted by the government to convey a right to the patentee; as, a patent for a tract of land; or to secure to him a right which he already possesses, as a patent for a new invention or discovery; Letters patent are a matter of record. They are so called because they are not sealed up, but are granted open. Vide Patent.

Related Legal Terms & Definitions
  • PATENT (ADJ.) adj. Open; manifest; evident; unsealed. Used in this sense in such phrases as "patent ambiguity,"…
  • PATENTEE He to whom a patent has been granted. The term is usually applied to one…
  • INTERFERENCE In patent law, a procedure to resolve a conflict that occurs when two or more…
  • PATENT CLAIM A part of a patent application where the invention is described in detail and uses…
  • UTILITY PATENT A type of patent where the invention results in a useful function, as opposed to…
  • CAVEAT Latin: Let him beware. A formal notice or warning given by a party interested to…
  • PATENT DEED The official document created by the U.S. Patent and Trademark Office (PTO) and sent to…
  • DOCTRINE OF EQUIVALENTS Patent law a new patent may be in violation of an existing patent if the…

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