The Statement of Use and the 36-Month Cliff Behind the Extensions

An intent-to-use application looks like it comes with a generous runway. After the Notice of Allowance issues, the applicant has an initial six months to file a Statement of Use, and can buy more time through a series of extension requests that stretch the deadline out for years. The runway is real, but it has a hard edge most calendars do not mark. The total time is capped at 36 months from the date the Notice of Allowance issued, the cap is statutory and does not extend, and the clock runs from that one fixed date no matter how the extensions are spaced. When the 36 months run out with no acceptable Statement of Use on file, the application goes abandoned. The filing fees are the smallest part of what goes with it. The real loss is the nationwide constructive-use priority the intent-to-use application was holding open under Section 7(c), dated to the original filing date, which a refile cannot recover.

What the Statement of Use does, and when it comes due

An application filed on an intent-to-use basis under Section 1(b), 15 U.S.C. § 1051(b), reserves a mark before the applicant has used it in commerce. The application is examined, published, and if unopposed, receives a Notice of Allowance under 15 U.S.C. § 1051(d). The Notice of Allowance is not a registration. It is the Office telling the applicant the mark is allowable and the burden now shifts to proving use.

The Statement of Use is that proof. Under 15 U.S.C. § 1051(d)(1), the applicant must, within six months of the Notice of Allowance, file a verified statement that the mark is in use in commerce, with a specimen and the date of first use, and pay the fee under 37 CFR § 2.6. The procedure is detailed in TMEP § 1109. Only when the Statement of Use is accepted does the mark register.

The six-month deadline is where the extension system begins, and where the misreading starts.

The extension schedule: five requests, one fixed ceiling

Section 1051(d)(2) lets the applicant extend the time to file, but it structures the extensions in two tiers, and it caps the total. The first extension is granted on request. Every extension after it requires a showing of good cause. The whole sequence cannot carry the deadline past 36 months from the Notice of Allowance.

Period	Runs until (from Notice of Allowance)	What the request must contain
Initial period	6 months	Nothing to request; the six months are automatic on the Notice of Allowance
First extension	12 months	Verified statement of continued bona fide intent to use the mark
Second extension	18 months	Continued bona fide intent, plus a showing of good cause (ongoing efforts to use)
Third extension	24 months	Continued bona fide intent, plus good cause
Fourth extension	30 months	Continued bona fide intent, plus good cause
Fifth extension	36 months	Continued bona fide intent, plus good cause

Three features of this schedule are the ones firms get wrong:

• The clock is anchored, not rolling. Each request buys a six-month block measured from the Notice of Allowance date, not from the day the request is filed. Filing an extension late in a block does not push the ceiling out. The 36-month cap is fixed the moment the Notice of Allowance issues.
• Every request must be filed before the current period expires. Under 37 CFR § 2.89, a request filed after the period it is meant to extend has lapsed is untimely, and the application is abandoned. There is no grace window built into the schedule.
• The first extension is the only free one. The initial extension is granted on a bare verified statement of continued bona fide intent. From the second extension forward, § 2.89(d) requires a showing of good cause: a statement of the applicant's ongoing efforts to use the mark, such as product research, manufacturing, market research, or steps to acquire distributors. A recital of intent with nothing behind it is not good cause.

The good-cause requirement is a substantive filing, not a checkbox

The good-cause statement reads like boilerplate and is treated like boilerplate, which is the problem. It is a verified statement, and it carries the same continued bona fide intention to use the mark that Section 1(b) required at filing. That intent has to be genuine and, if a proceeding ever tests it, supported by objective evidence of the kind the Trademark Trial and Appeal Board looks for under M.Z. Berger & Co. v. Swatch AG, 787 F.3d 1368 (Fed. Cir. 2015): documentary evidence of steps taken toward use, not an after-the-fact assertion.

For a client who is genuinely developing the product, the good-cause statement is easy and honest. For a client who filed to hold the name and has done nothing, each extension request is a verified statement of ongoing efforts that do not exist. That is the quiet exposure in a stalled intent-to-use file. The extensions are not a way to sit on a mark indefinitely. They are a way to keep the priority date alive while the applicant actually moves toward use, and the good-cause showing is the price of that.

Why abandonment here costs the priority date, not just the fees

The reason the 36-month cliff matters more than an ordinary missed deadline is Section 7(c), 15 U.S.C. § 1057(c). Filing an application creates constructive use of the mark nationwide as of the filing date, giving the applicant priority against anyone who did not use the mark or file before that date. For an intent-to-use application, that priority is contingent. It attaches on the filing date but is contingent on the mark registering.

An intent-to-use application that abandons for failure to file the Statement of Use never registers, so the contingency fails and the constructive-use priority evaporates. The applicant can refile, but a new application carries a new filing date. Every mark filed or every use begun in the gap now sits ahead of the client. In a crowded field, the months between the original filing and the refile can be the difference between clearing and being blocked. The Statement of Use deadline is not a formality protecting a fee. It is the last gate on a priority date that may be years old.

There is a narrow recovery path. If the failure to file was unintentional, a petition to revive under 37 CFR § 2.66 may be available, filed within two months of the abandonment. It is a remedy for genuine slips, not a planning tool, and it does not cure a file where use simply never happened within the statutory period.

Two operational traps around the deadline

Two mechanics catch practitioners who know the 36-month rule but not its edges.

The blackout period. Between the Office's approval of the mark for publication and the issuance of the Notice of Allowance, an applicant can file neither an Amendment to Allege Use nor a Statement of Use. TMEP § 1104 sets this out. Proof of use has two on-ramps: the Amendment to Allege Use under Section 1(c), 15 U.S.C. § 1051(c), filed during examination before approval for publication, and the Statement of Use after the Notice of Allowance. If use begins during the blackout, the filing has to wait for the Notice of Allowance. An applicant who is already using the mark and wants to register faster should file the Amendment to Allege Use before the mark is approved for publication, not after.

One statement, no take-backs. A Statement of Use asserts a date of first use and puts a specimen in the record under oath. If the specimen is refused or the use turns out not to qualify, the Statement of Use is on file and the clock has not stopped. Filing early in the window, with a specimen that clearly shows the mark used on the goods or in connection with the services, leaves room to respond to a refusal before the 36 months close. Filing on the last available day removes that room.

What to do with this

Calendar the Statement of Use deadline from the Notice of Allowance date, and calendar every extension deadline off that same anchor, not off the prior filing. Treat the 36-month figure as a wall, because it is one: the statute does not extend past it, and no request filed at month 36 buys a thirty-seventh. From the second extension forward, prepare the good-cause statement as a real filing that reflects real activity, and flag any file where the client cannot support ongoing efforts. A stalled intent-to-use application does more than risk abandonment. Each extension request it files is a verified statement of ongoing efforts that may not hold up. Above all, tie the deadline in the client's mind to what it protects. The consequence of missing it is not a lapsed application. It is the loss of a priority date that a refile cannot buy back.

Keeping that anchored date in view across a portfolio of allowed applications is register work, and the kind of watch on filing status and deadlines that Redrift keeps current, so counsel sees an approaching Statement of Use deadline while there is still room to act on it. The fabric surfaces the deadline. Whether use is real, whether good cause holds, and whether the mark is worth the next extension stays with the lawyer.