service of process(redirected from Invalid Service)
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service of process
Etymology: L, servus, a slave, processus, going forth
(in law) the delivery of a writ, summons, or complaint to a defendant. Once delivered or left with the party for whom it is intended, it is said to have been served. The original of the document is shown; a copy is served. Service of process gives reasonable notice to allow the person to appear, testify, and be heard in court.