Notice of Allowance Patent: 5 Critical Steps to Issue

The letter you have been waiting for finally arrives from the USPTO, and it is easy to exhale and assume the hard part is over. It isn’t quite. A notice of allowance patent letter means the examiner has agreed to grant your claims — but the patent does not exist yet, and one missed deadline can send an allowed application straight to abandonment. The window is short, the issue-fee clock cannot be extended, and there are two or three moves you can only make before the patent issues. This guide walks through what the notice really means and the five steps that turn an allowance into an enforceable, issued patent.

What a Notice of Allowance Patent Letter Really Means

A notice of allowance patent letter — formally the Notice of Allowance and Fee(s) Due, USPTO form PTOL-85 — tells you the examiner has found allowable subject matter and intends to grant a patent on your claims. The procedure is set out in MPEP 1303. It usually follows either a first-action allowance (rare) or your response to one or more office actions.

Two things are true at once. First, prosecution on the merits is closed: the examiner is done arguing about patentability. Second, you do not yet own a patent. Nothing is enforceable until you pay the issue fee and the USPTO formally grants and publishes the patent. Read the notice carefully — it lists the allowed claims, the fees due, and, often, the examiner’s reasons for allowance, which become part of the file history you may have to live with later.

The 3-Month Issue Fee Deadline You Cannot Extend

This is the single most important line in the letter. The issue fee is due three months from the mailing date of the Notice of Allowance, and under 37 CFR 1.311(a) that period is not extendable. There is no buying more time with a fee, the way you can with an office-action response.

Miss it and the application goes abandoned. You can sometimes revive an unintentionally abandoned application by petition under 37 CFR 1.137, paying the issue fee plus a petition fee, but that is a fallback with cost and risk — not a plan. Docket the deadline the day the notice arrives, and pay early rather than on the last day.

How Much the Issue Fee Costs in 2026

The exact amount is printed on your notice, but the standard 2026 USPTO utility issue fee under 37 CFR 1.18(a) is:

• $1,290 for an undiscounted (large) entity
• $516 for a small entity (a 60% discount)
• $258 for a micro entity (an 80% discount)

The separate publication fee has been $0.00 since 2014, so for most utility applications the issue fee is the only payment due at this stage. Confirm your entity status before you pay — claiming small or micro status you are not entitled to can undermine the patent, while overpaying as a large entity when you qualify for a discount simply wastes money.

5 Critical Steps After Your Notice of Allowance

Work through these in order as soon as the notice lands:

1. Check the allowed claims and reasons for allowance. Confirm the claims match what you actually want, and review any examiner statement for characterizations you may not want on the record.
2. Calendar and pay the issue fee well inside the non-extendable three-month window.
3. Clear any outstanding prior art. If a co-pending case or a new reference needs to go on the record, file an Information Disclosure Statement — after allowance that usually means the Quick Path IDS (QPIDS) procedure.
4. Decide on continuing applications — a continuation, divisional or continuation-in-part must be filed before the parent issues if you want to keep the family alive.
5. Handle any needed amendments under 37 CFR 1.312, remembering the examiner is not obliged to enter them.

For the disclosure step, our guide to the IDS form explains what still has to be cited even at this late stage, and QPIDS is how you do it without forcing a full reopening of prosecution.

File a Continuation Before the Patent Issues

This is the move applicants most often regret missing. Once a patent issues, the parent application is no longer pending, and you lose the ability to file a child that claims its benefit. If there is any chance you will want broader, narrower or differently framed claims later, the allowance is your cue to decide.

A continuation keeps the same disclosure alive so you can pursue additional claim scope; a divisional carries forward subject matter the examiner made you split out; a continuation-in-part adds new matter. Whatever the form, it must be on file before the grant date. See our continuation patents guide for when each one makes sense, and our RCE guide if you instead need to reopen prosecution.

After You Pay: Issue Notification and Grant

Once the issue fee posts, the USPTO moves the application to issue. You will receive an Issue Notification giving the patent number and the issue date — typically a few weeks out. On that date the patent is granted, published, and enforceable, and its 20-year term is measured from the earliest non-provisional filing date, not from issuance.

Only after grant can you mark products with the patent number and bring an infringement action. This is also the moment to start tracking maintenance fees, which fall due at 3.5, 7.5 and 11.5 years and are easy to forget once the excitement of allowance has passed.

Handling the IDS and QPIDS After Allowance

Your duty of candor to the USPTO does not end when the notice arrives. If you become aware of material prior art after allowance — often because a related application in another country turns up a new reference, or a co-pending U.S. case gets a rejection — you still have to disclose it. The problem is that a normal Information Disclosure Statement filed after allowance would ordinarily require reopening prosecution, which can pull the case out of issue and cost time and money.

The Quick Path Information Disclosure Statement (QPIDS) pilot solves this. It lets you submit the new references, together with a request for continued examination and the issue fee, so the examiner can consider the art without formally reopening prosecution if nothing in it changes the allowance. If the examiner decides the references do not warrant reopening, the RCE is not processed and the application stays on track to issue.

The practical lesson: do not sit on a reference because you are afraid of derailing an allowance. There is a designed path for exactly this situation, and using it protects the enforceability of the patent you are about to receive.

Amendments Under Rule 312 and Reasons for Allowance

Sometimes you spot something after allowance that you would like to fix — a typo in a claim, a dependency that should be corrected, a small clarification. Amendments after allowance are governed by 37 CFR 1.312, and the key point is that they are not entered as of right. The examiner has discretion, and will only enter an amendment that requires no further search or examination, usually with a showing of good cause for why it was not presented earlier.

It is also worth pausing over the examiner’s statement of reasons for allowance, if one is included. That statement becomes part of the prosecution history, and an accused infringer can later point to it to argue for a narrow claim construction. You are not required to respond, but you should read it with litigation in mind and decide, deliberately, whether to let it stand unrebutted.

In practice, most allowed applications sail through without a Rule 312 amendment. But when you do need one, frame it tightly and file it early, so the examiner has time to consider it before the issue fee posts and the case moves to grant.

Mistakes That Cost Applicants Their Patent

The allowance stage is deceptively risky because it feels like the finish line. The recurring errors we see:

• Treating the issue-fee deadline as extendable. It is not — three months, hard stop.
• Letting the patent issue before filing a continuation you later wish you had.
• Sitting on material prior art instead of filing a timely IDS or QPIDS, risking enforceability.
• Paying at the wrong entity status and either overpaying or jeopardizing the patent.
• Forgetting maintenance fees after grant, letting a hard-won patent lapse.

Handle the allowance with the same care you gave the office actions, and a notice of allowance patent letter becomes exactly what it should be — the last step before a granted, enforceable right.

How PerspireIP Can Help

The weeks after a Notice of Allowance are short and unforgiving, and the decisions you make — continuations, IDS timing, entity status — shape the value of the patent for the next 20 years. PerspireIP manages the path from allowance to grant, so no deadline slips and no strategic option is lost. Contact our team to review your allowed application before the clock runs out.

Frequently Asked Questions