Maintenance fees coming due
5 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Dec 9, 2026. Unpaid by Jun 9, 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 9,050,174 | Deflation and Removal of Implantable Medical Devices In force Fee due Dec 9, 2026 Lapses if unpaid Jun 9, 2027 · High confidence | Apollo Endosurgery US, Inc. | In force | Dec 9, 2026 | Jun 9, 2027 | High confidence | |
| US 9,089,395 | Pre-Loaded Septum for Use with an Access Port In force Fee due Jan 28, 2027 Lapses if unpaid Jul 28, 2027 · High confidence | Apollo Endosurgery US, Inc. | In force | Jan 28, 2027 | Jul 28, 2027 | High confidence | |
| US 9,149,611 | Materials and Methods for Improved Intragastric Balloon Devices In force Fee due Apr 6, 2027 Lapses if unpaid Oct 6, 2027 · High confidence | Apollo Endosurgery US, Inc. | In force | Apr 6, 2027 | Oct 6, 2027 | High confidence | |
| US 9,174,031 | Device and Method for Deflation and Removal of Implantable and Inflatable Devices In force Fee due May 3, 2027 Lapses if unpaid Nov 3, 2027 · High confidence | Apollo Endosurgery US, Inc. | In force | May 3, 2027 | Nov 3, 2027 | High confidence | |
| US 9,226,840 | Magnetically Coupled Implantable Pump System and Method In force Fee due Jul 5, 2027 Lapses if unpaid Jan 5, 2028 · High confidence | Apollo Endosurgery US, Inc. | In force | Jul 5, 2027 | Jan 5, 2028 | High confidence |
5 of 5 patents shown. Soonest fee due date first, then patent number.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.