Last Updated：2025/11/24
(US, law) A doctrine which requires that evidence obtained as the result of an illegal act on the part of law enforcement personnel (such as a warrantless search, or continued questioning a witness who has invoked the right of counsel) must therefore be excluded from being admitted as evidence in a trial. This rule does not apply in civil proceedings, although statutes sometime specifically provide for exclusion of such evidence.
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exclusionary rule
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Source Word
exclusionary rule
Noun
US
(US,
law)
A
doctrine
which
requires
that
evidence
obtained
as
the
result
of
an
illegal
act
on
the
part
of
law
enforcement
personnel
(such
as
a
warrantless
search,
or
continued
questioning
a
witness
who
has
invoked
the
right
of
counsel)
must
therefore
be
excluded
from
being
admitted
as
evidence
in
a
trial.
This
rule
does
not
apply
in
civil
proceedings,
although
statutes
sometime
specifically
provide
for
exclusion
of
such
evidence.
Japanese Meaning
違法な捜査行為（令状なき捜索や弁護士との相談権を行使した後の証人への継続的質問など）によって得られた証拠が、裁判の証拠として採用されることを防ぐ原則（米国法における法則）。
Sense（1）
(US,
law)
A
doctrine
which
requires
that
evidence
obtained
as
the
result
of
an
illegal
act
on
the
part
of
law
enforcement
personnel
(such
as
a
warrantless
search,
or
continued
questioning
a
witness
who
has
invoked
the
right
of
counsel)
must
therefore
be
excluded
from
being
admitted
as
evidence
in
a
trial.
This
rule
does
not
apply
in
civil
proceedings,
although
statutes
sometime
specifically
provide
for
exclusion
of
such
evidence.
（ plural ）
