The food deal, ahead of a UK-EU summit later this month, is the most significant part of the so-called Brexit reset agreed so far.
Researchers have detected signals from the smallest distances ever probed.
The unnamed man asked for an injunction to stop his identity being reported in connection with allegations against him.
Supermarkets in countries including Ireland, Sweden and Belgium reported fridges being hiked in temperature on Monday.
Mountbatten-Windsor has been summonsed to give evidence in a businessman's High Court fraud trial.
The media personality has been on trial for three weeks, after pleading not guilty to all charges.