Maintenance fees coming due
157 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 28, 2026. Unpaid by May 28, 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 10,301,460 | Polypropylene with Enhanced Visual Appearance In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 · High confidence | Borealis AG and Abu Dhabi Polymers Co., Ltd. (Borouge) L.L.C. | In force | Nov 28, 2026 | May 28, 2027 | High confidence | |
| US 10,304,582 | Polymer Composition for Electrical Devices In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 · High confidence | Borealis AG | In force | Nov 28, 2026 | May 28, 2027 | High confidence | |
| US 11,661,503 | A Cross-Linkable Polyolefin Composition Comprising a First and a Second Olefin Polymer In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 · High confidence | Borealis AG | In force | Nov 30, 2026 | Jun 1, 2027 | High confidence | |
| US 10,308,737 | Process for Polymerising Ultra-High Molecular Weight Polyethylene In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 · High confidence | Borealis AG | In force | Dec 4, 2026 | Jun 4, 2027 | High confidence | |
| US 10,308,794 | Copolymer Composition for Semiconductive Cable Layer In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 · High confidence | Borealis AG | In force | Dec 4, 2026 | Jun 4, 2027 | High confidence | |
| US 10,308,795 | Heterophasic Polypropylene with Imrpoved Stiffness/Impact Balance In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 · High confidence | Borealis AG | In force | Dec 4, 2026 | Jun 4, 2027 | High confidence | |
| US 10,308,797 | Polypropylene Compositions for Automotive Applications In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 · High confidence | Borealis AG | In force | Dec 4, 2026 | Jun 4, 2027 | High confidence | |
| US 10,308,798 | Composition Based on Recycled Polyethylene from Cable Waste In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 · High confidence | Borealis AG | In force | Dec 4, 2026 | Jun 4, 2027 | High confidence | |
| US 11,668,033 | High Quality Melt-Blown Webs with Improved Barrier Properties In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 · High confidence | Borealis AG | In force | Dec 6, 2026 | Jun 7, 2027 | High confidence | |
| US 10,316,177 | Long-Chain Branched Polypropylene for Foam Application In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 · High confidence | Borealis AG | In force | Dec 11, 2026 | Jun 11, 2027 | High confidence | |
| 147 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro | |||||||
10 of 157 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.