*

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Literally, of course, it's "hereby serves upon you, and delivers to you a copy of" but English allows us to "serve someone with a copy of" something, e.g. an order, a decision etc. , without having to separately say we are serving them, and giving them a copy, and it means the same thing. And since a "grosse" is itself a form of copy. you'll end up compacting the English sentence even more.

This is what a baillif or a process-server does before he/she fills out his/her affidavit stating that so-and-so was served with a copy of a certain document at which address and at what time.