1 definition found for this term.
Definitions are presented in the order source books were published (most recent first).


In patent law, a Person of Ordinary Skill in the Art; variants include PHOSITA (Person Having etc.), sometimes appearing as neologisms in lower case, or even PSIA. Patents are supposedly addressed to this person and read through his or her eyes. The acronym is common in American jargon and is creeping into Canada too.

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