"celebrated" = famous, renowned "court cases" = trials (in the sense of legal proceedings) "right up to" = until
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CliveHere's a further comment about 'right up to'.
I agree that it suggests 'until'.
However, it also means that these various court cases involved a series of appeals, from lower courts to higher courts, and finally to the highest court of all, which is the Supreme Court.
So, in this context I'd say 'right up to' also suggests this movement from lower courts