Last Updated
：2025/11/26
prosecution history estoppel
Noun
uncountable
(law)
In
United
States
patent
law,
the
circumstance
under
which
a
person
who
has
filed
a
patent
application,
and
then
made
amendments
to
the
application
to
accommodate
the
patent
law
and
secure
issuance
of
the
patent,
is
prevented
from
bringing
a
cause
of
action
for
infringement
of
the
patent
where
the
allegedly
infringing
acts
falling
within
the
matter
disclaimed
by
the
amendment.
Japanese Meaning
（米国特許法において）特許出願の過程で、特許法に適合させるために出願内容を訂正した結果、訂正により除外された事項にかかわる侵害行為について、改めてその侵害を主張できなくなる法理
Sense（1）
(law)
In
United
States
patent
law,
the
circumstance
under
which
a
person
who
has
filed
a
patent
application,
and
then
made
amendments
to
the
application
to
accommodate
the
patent
law
and
secure
issuance
of
the
patent,
is
prevented
from
bringing
a
cause
of
action
for
infringement
of
the
patent
where
the
allegedly
infringing
acts
falling
within
the
matter
disclaimed
by
the
amendment.
Quizzes for review
(law) In United States patent law, the circumstance under which a person who has filed a patent application, and then made amendments to the application to accommodate the patent law and secure issuance of the patent, is prevented from bringing a cause of action for infringement of the patent where the allegedly infringing acts falling within the matter disclaimed by the amendment.
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See correct answer
prosecution history estoppel
Because of prosecution history estoppel, the patentee could not bring an infringement suit covering the claim scope it had narrowed during prosecution.
See correct answer
Because of prosecution history estoppel, the patentee could not bring an infringement suit covering the claim scope it had narrowed during prosecution.
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