LATIN DICTIONARYLexicon Latīnum
English → Latin

“patent” in Latin

The English word patent itself goes back to Latin pateō, through patēns.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

patent adj.
apertus; notus.
patent s.
*litterae principis quibus alicui munus defertur; under the emperors, codicilli, diploma (Suet.; patent of office): *libellus quo beneficium aliquid datur (conferring any privilege): *litterae quibus soli alicui arbitrium or potestas alicujus rei vendendae datur; or simply arbitrium (patent for the sole right of sale): to issue a patent (for sale), dare alicui rei vendendae arbitrium (after Liv., 2, 9).

Quick answer

What is the Latin word for patent?
The usual Latin words for “patent” are aperiō, nōscō, cōdĭcilli; also diplōma, arbitrium. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.