A motion in limine asks the court to rule, before trial begins, on whether certain evidence or testimony can be presented to the jury at all. Winning one can quietly reshape the entire trial before opening statements.
Target evidence, not general themes
The strongest motions in limine identify specific evidence, testimony, or lines of questioning to exclude — prior bad acts, hearsay, unfairly prejudicial photos — rather than making broad requests a judge can't rule on cleanly.
Ground the argument in the actual evidentiary rules
Relevance, unfair prejudice outweighing probative value, hearsay without an exception — cite the specific rule the evidence violates rather than arguing it's simply 'unfair' or 'irrelevant' in general terms.
Think about what happens if you lose
A denied motion in limine often still preserves the objection for trial (and for appeal) — drafting the motion with that fallback in mind protects your position even if the ruling doesn't go your way.
File early enough for the court to actually rule
Motions filed the morning of trial rarely get the careful consideration a genuinely close evidentiary question deserves. Filing with enough lead time gives the judge room to rule thoughtfully rather than from the bench under pressure.