Using case law to nullify will?

[Pacemaker100]

Past Case law saying will overturned on grounds of lack of approval and knowledge due to specific brain diagnosis
have exactly same diagnosis so how likely is this to succeed?

[atticus]

Is the precedent being cited fully appropriate to the facts of your case? Notwithstanding the diagnosis there may be reasons to distinguish it.

If your case is on all fours with the one that has been cited, and if that case is binding precedent, then the court will have to follow it.

[Pacemaker100]

I’d say the two cases are 90% the same