Patent Application Filing Deadline

Deadline: March 18, 2026

Dear Mr. Jonathan Whitfield,

This is a formal notice from Hargrove Ellison LLP regarding the upcoming statutory filing deadline for your pending patent application, U.S. Application No. 18/472,391 — titled "Adaptive Neural Interface System for Real-Time Signal Processing." Your application must be submitted to the United States Patent and Trademark Office no later than March 18, 2026.

To meet this deadline, we require the following from you immediately:

Required Actions

Signed Declaration Form (Form PTO/AIA/01)

Each listed inventor must sign the declaration. Please return all completed and wet-signed or DocuSign-executed copies to our office no later than March 14, 2026 to allow sufficient processing time.

Final Inventor List Confirmation

Please confirm the complete and accurate list of all inventors contributing to the claimed invention. Any changes to inventor designation after filing may require additional USPTO petitions and fees.

Consequences of Missing This Deadline

Failure to file by March 18, 2026 may result in the permanent abandonment of your patent application and the forfeiture of all associated intellectual property rights. This deadline is statutory and cannot be extended under standard USPTO rules. Revival may not be available under all circumstances.

Your Assigned Attorney

Margaret L. Hargrove

Partner, Patent Prosecution

Registration No. 54,812 | USPTO Registered

Please do not delay. Contact our office immediately to confirm receipt of this notice and to arrange submission of the required documents. Our team is available to assist you through every step of this process.

Contact Attorney Hargrove

Or call directly: +1 (212) 555-0194

Case Reference

Application No.

18/472,391

Filing Deadline

March 18, 2026

Client Matter

HE-2024-00847

Technology Class

CPC G06N 3/04

Hargrove Ellison LLP

1221 Avenue of the Americas, Suite 4400

New York, NY 10020

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