better late than never, do a supplemental brief and outline the new evidence and the impact and make sure to have a notice of lodgment listing the new exhibits and a delcaration stating what the new documents are and that they are true and correct copies of the originals, bring the originals to court and ASAP send the opposing attorneys or parties if they are not represented, copies of what you intend to file late!
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It never hurts to try. Best of luck! - Reese Serra
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If you're supplementing, and I suggest you at least try...then make sure the evidence that you're using in your supplemental brief/Affidavit has been supplied to your opposition/opposing counsel as well. Discovery is always ongoing and you have a duty to supplement your responses if you find new information as you proceed toward trial.
DISCLAIMER: Brandy A. Peeples is licensed to practice law in the State of Maryland. This answer is being provided for informational purposes only and the laws of your jurisdiction may differ. This answer based on general legal principles and is not intended for the purpose of providing specific legal advice or opinions. Under no circumstances does this answer constitute the establishment of an attorney-client relationship. For legal advice relating to your specific situation, I strongly urge you to consult with an attorney in your area. NO COMMUNICATIONS WITH ME ARE TO BE CONSTRUED AS ARISING FROM AN ATTORNEY-CLIENT RELATIONSHIP AND NO ATTORNEY-CLIENT RELATIONSHIP WILL BE ESTABLISHED WITH ME UNLESS I HAVE EXPRESSLY AGREED TO UNDERTAKE YOUR REPRESENTATION, WHICH INCLUDES THE EXECUTION OF A WRITTEN AGREEMENT OF RETAINER.