Maintenance fees coming due
15 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 4, 2026. Unpaid by Jun 4, 2027, that one lapses early.
A maintenance fee does not end a patent on its due date. It falls due at 3.5, 7.5
and 11.5 years from grant, and the patent lapses only if the fee is still unpaid at the end of the
six month grace period that follows.
| Patent | Title | Holder | Status | Fee due | Lapses if unpaid | Expires | Confidence |
|---|---|---|---|---|---|---|---|
| US 10,306,947 | Rapid-Entry Footwear with Rebounding Fit System In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 · High confidence | Fast IP, LLC | In force | Dec 4, 2026 | Jun 4, 2027 | High confidence | |
| US 11,737,511 | Rapid-Entry Footwear Having a Compressible Lattice Structure In force Fee due Feb 28, 2027 Lapses if unpaid Aug 30, 2027 · Low confidence | Fast IP, LLC | In force | Feb 28, 2027 | Aug 30, 2027 | Low confidence | |
| US 11,819,085 | Adjustable Footwear Having Apertures in Sole Structure In force Fee due May 21, 2027 Lapses if unpaid Nov 22, 2027 · High confidence | Fast IP, LLC | In force | May 21, 2027 | Nov 22, 2027 | High confidence | |
| US 11,839,258 | Rapid-Entry Footwear Having an Arm for Expanding an Opening In force Fee due Jun 12, 2027 Lapses if unpaid Dec 13, 2027 · Medium confidence | Fast IP, LLC | In force | Jun 12, 2027 | Dec 13, 2027 | Medium confidence | |
| US 10,506,842 | Rapid-Entry Footwear with Rebounding Fit System In force Fee due Jun 17, 2027 Lapses if unpaid Dec 17, 2027 · High confidence | Fast IP, LLC | In force | Jun 17, 2027 | Dec 17, 2027 | High confidence | |
| US 11,844,392 | Rapid-Entry Shoe In force Fee due Jun 19, 2027 Lapses if unpaid Dec 20, 2027 · High confidence | Fast IP, LLC | In force | Jun 19, 2027 | Dec 20, 2027 | High confidence | |
| US 11,844,394 | Rapid-Entry Footwear Comprised of a Unified Material In force Fee due Jun 19, 2027 Lapses if unpaid Dec 20, 2027 · Medium confidence | Fast IP, LLC | In force | Jun 19, 2027 | Dec 20, 2027 | Medium confidence | |
| US 11,864,620 | Rapid-Entry Footwear Having a Transforming Footbed In force Fee due Jul 9, 2027 Lapses if unpaid Jan 10, 2028 · High confidence | Fast IP, LLC | In force | Jul 9, 2027 | Jan 10, 2028 | High confidence | |
| US 11,864,630 | Motion-Assist Footwear Comprising a Force Translator In force Fee due Jul 9, 2027 Lapses if unpaid Jan 10, 2028 · High confidence | Fast IP, LLC | In force | Jul 9, 2027 | Jan 10, 2028 | High confidence | |
| US 11,871,811 | Rapid-entry footwear having a stabilizer and an elastic element In force Fee due Jul 16, 2027 Lapses if unpaid Jan 18, 2028 · Low confidence | Fast IP, LLC | In force | Jul 16, 2027 | Jan 18, 2028 | Low confidence | |
| 5 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro | |||||||
10 of 15 patents shown. Soonest fee due date first, then patent number.
Pro members see every patent with a maintenance fee coming due: number, title, status, the due date, and the date it lapses if the fee goes unpaid through the grace period.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.