a subsequent examination of a patient for the purpose of monitoring earlier treatment
a formal proceeding held by the PTO in which it reexamines an in-force patent to determine whether newly-cited prior art references adversely affect its the validity
to subject somebody or something to careful further consideration, scrutiny, or checks.
The provision whereby students may be granted (subject to the conditions published by their Faculties) a further examination in a course if their standing following the final examination is unsatisfactory.
A reexamination is a request for the PTO to re-open the examination of a patent. An issued patent may be reexamined if there is reason to believe that the patentability of the subject matter is questionable.
Examination of the patentability of an invention claimed in an issued U.S. patent at the request of the USPTO, the patent owner or a third party.
In United States patent law, a reexamination is a process whereby a third party or inventor can have their patent application reexamined by a patent examiner to verify that it is valid. In order to have a patent reexamined, the party of interest must submit prior art that raises a "substantial new question of validity".