Whenever the parties to a suit come to a point in the pleadings where the disputed issues are defined, they are said to be "at issue" and ready for trial
The time in a lawsuit when the complaining party has stated their claim and the other side has responded with a denial and the matter is ready to be tried
Whenever the parties to a suit come to a point in the pleadings which is affirmed on one side and denied on the other, they are said to be "at issue" and ready for trial