U.S. District Court for the Northern District of Illinois.
Magistrate Judge Jeffrey N. Cole. The Use of “Artificial Intelligence” in the Preparation of Documents Filed Before This Court.
In force when read In force when read on 26 September 2026.
- Say that generative AI was used
The court’s words
“Any party using AI in the preparation of materials submitted to the court must disclose in the filing that an AI tool was used to conduct legal research and/or was used in any way in the preparation of the submitted document.”
Quoted from the court’s own document, read on 26 September 2026. Read it at the source.
This order speaks of AI in general, not only of generative AI. Loupe does not write or change your document: it reads it, matches each citation against published court records, and reports what it found. Whether that has to be disclosed under this order is for you to judge.
What it asks of the person who signs
- Say that generative AI was used
or, where the order asks it, that it was not.
Applies to: Any materials prepared with AI, including AI legal research. Where it goes: In the filing.
The statement, if one is called for
The order asks for words of its own. With the blanks filled in from your answers, they read:
DISCLOSURE OF THE USE OF ARTIFICIAL INTELLIGENCE An AI tool [the AI tool, if you name it] was used [to conduct legal research / in preparing this document].
On the check page Loupe drafts the statement for this court from the parts you tick, for you to read and sign: what it says is your choice and your responsibility. The order in force on the day is what counts; read it at the source before relying on this page.
Check the filing first
Paste the brief or drop the file, and Loupe looks up every citation in the published record: whether the case exists, whether it is the case the filing names, whether the pin cite falls inside the opinion; statutes, regulations, court rules and links too. It doesn’t generate anything, and what it can’t settle it marks “not verified”, never clean.
- Check a filing
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- Every court on the list
50 rules and orders, each quoted from the court’s own document.