Maintenance fees coming due

Avent, Inc.

63 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 21, 2026. Unpaid by May 21, 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 10,293,073	Moisture Management for Wound Care Avent, Inc. In force Fee due Nov 21, 2026 Lapses if unpaid May 21, 2027 Term ends Nov 2, 2035 · High confidence	Avent, Inc.	In force	Nov 21, 2026	May 21, 2027	Term ends Nov 2, 2035	High confidence
US 10,307,335	Female Enteral Coupling Avent, Inc. In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Term ends Sep 22, 2033 · Medium confidence	Avent, Inc.	In force	Dec 4, 2026	Jun 4, 2027	Term ends Sep 22, 2033	Medium confidence
US 10,307,337	Oral Administration Coupler for Back-Of-Mouth Delivery Avent, Inc. In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Term ends Mar 23, 2036 · High confidence	Avent, Inc.	In force	Dec 4, 2026	Jun 4, 2027	Term ends Mar 23, 2036	High confidence
US 11,668,295	Pump Head for a Peristaltic Pump Avent, Inc. In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Aug 23, 2040 · High confidence	Avent, Inc.	In force	Dec 6, 2026	Jun 7, 2027	Term ends Aug 23, 2040	High confidence
US 11,672,693	Integrated Multisectional Heat Exchanger Avent, Inc. In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 Term ends Jul 24, 2037 · High confidence	Avent, Inc.	In force	Dec 13, 2026	Jun 14, 2027	Term ends Jul 24, 2037	High confidence
US 10,322,067	Dilation Device for Placing Catheter Tubes Avent, Inc. In force Fee due Dec 18, 2026 Lapses if unpaid Jun 21, 2027 Term ends Nov 21, 2032 · High confidence	Avent, Inc.	In force	Dec 18, 2026	Jun 21, 2027	Term ends Nov 21, 2032	High confidence
US 9,061,100	Large-Volume Bolus Patient Controlled Drug Administration Device With Lock-Out Avent, Inc. In force Fee due Dec 23, 2026 Lapses if unpaid Jun 23, 2027 Term ends Oct 11, 2033 · High confidence	Avent, Inc.	In force	Dec 23, 2026	Jun 23, 2027	Term ends Oct 11, 2033	High confidence
US 10,327,839	Electrosurgical Apparatus Having a Sensor Avent, Inc. In force Fee due Dec 25, 2026 Lapses if unpaid Jun 25, 2027 Term ends Apr 3, 2031 · High confidence	Avent, Inc.	In force	Dec 25, 2026	Jun 25, 2027	Term ends Apr 3, 2031	High confidence
US 10,327,956	Traumatic Wound Dressing System with Wrap Avent, Inc. In force Fee due Dec 25, 2026 Lapses if unpaid Jun 25, 2027 Term ends Oct 14, 2035 · High confidence	Avent, Inc.	In force	Dec 25, 2026	Jun 25, 2027	Term ends Oct 14, 2035	High confidence
US 10,327,997	Enteral Feeding Extension Set Connector Avent, Inc. In force Fee due Dec 25, 2026 Lapses if unpaid Jun 25, 2027 Term ends Dec 23, 2030 · High confidence	Avent, Inc.	In force	Dec 25, 2026	Jun 25, 2027	Term ends Dec 23, 2030	High confidence
53 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 63 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.