the world > action or operation > manner of action > carelessness > be careless or negligent [verb (intransitive)] > omit doing or to do something through carelessness > commit an oversight > be overlooked (2)
Of a legal case, judgment, or part of a judgment: to be decided in favour of one party (typically the plaintiff) upon the other party's failure or…
to slip through the net: to evade detection or apprehension; to escape someone's vigilance; to be overlooked.