Maintenance fees coming due

Conopco, Inc.

140 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 23, 2026. Unpaid by May 24, 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 11,653,670	Vegetarian Casing-Less Smoked Sausage Conopco Inc., D/B/A Unilever In force Fee due Nov 23, 2026 Lapses if unpaid May 24, 2027 Ends no later than Sep 18, 2039 · Medium confidence	Conopco Inc., D/B/A Unilever	In force	Nov 23, 2026	May 24, 2027	Ends no later than Sep 18, 2039	Medium confidence
US 11,653,671	Shaped Vegetarian Meat Product Conopco Inc., D/B/A Unilever In force Fee due Nov 23, 2026 Lapses if unpaid May 24, 2027 Term ends Oct 24, 2039 · High confidence	Conopco Inc., D/B/A Unilever	In force	Nov 23, 2026	May 24, 2027	Term ends Oct 24, 2039	High confidence
US 11,653,681	Particulate Meat Seasoning Composition Conopco Inc., D/B/A Unilever In force Fee due Nov 23, 2026 Lapses if unpaid May 24, 2027 Term ends Sep 9, 2039 · High confidence	Conopco Inc., D/B/A Unilever	In force	Nov 23, 2026	May 24, 2027	Term ends Sep 9, 2039	High confidence
US 9,040,031	Hair Care Composition Conopco, Inc., D/B/A Unilever In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 Term ends Dec 15, 2031 · High confidence	Conopco, Inc., D/B/A Unilever	In force	Nov 26, 2026	May 26, 2027	Term ends Dec 15, 2031	High confidence
US 10,300,003	Hair Shaping Composition Conopco, Inc., D/B/A Unilever In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Jul 15, 2036 · High confidence	Conopco, Inc., D/B/A Unilever	In force	Nov 28, 2026	May 28, 2027	Term ends Jul 15, 2036	High confidence
US 10,306,886	Improved Lactam Solubility Conopco Inc., D/B/A Unilever In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Ends no later than Aug 4, 2036 · Medium confidence	Conopco Inc., D/B/A Unilever	In force	Dec 4, 2026	Jun 4, 2027	Ends no later than Aug 4, 2036	Medium confidence
US 10,307,355	N-Aralkylcarbonyldiamine Compounds and Personal Care Compositions Comprising the Same Conopco, Inc., D/B/A Unilever In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Term ends Apr 7, 2036 · High confidence	Conopco, Inc., D/B/A Unilever	In force	Dec 4, 2026	Jun 4, 2027	Term ends Apr 7, 2036	High confidence
US 11,666,519	Personal Care Compositions with Cystine Conopco, Inc., D/B/A/ Unilever In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Dec 18, 2037 · High confidence	Conopco, Inc., D/B/A/ Unilever	In force	Dec 6, 2026	Jun 7, 2027	Term ends Dec 18, 2037	High confidence
US 9,050,250	Oral Care Compositions Comprising Pearlescent Pigments Conopco Inc., D/B/A Unilever In force Fee due Dec 9, 2026 Lapses if unpaid Jun 9, 2027 Term ends Nov 8, 2031 · High confidence	Conopco Inc., D/B/A Unilever	In force	Dec 9, 2026	Jun 9, 2027	Term ends Nov 8, 2031	High confidence
US 10,316,273	Thickened Aqueous Detergent Liquid Conopco, Inc., D/B/A Unilever In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 Term ends Nov 15, 2033 · High confidence	Conopco, Inc., D/B/A Unilever	In force	Dec 11, 2026	Jun 11, 2027	Term ends Nov 15, 2033	High confidence
130 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 140 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.

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Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.