Maintenance fees coming due
156 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 30, 2026. Unpaid by Jun 1, 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 11,660,307 | Methods for Treating SARS COV-2 Infections In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 · High confidence | Gilead Sciences, Inc. | In force | Nov 30, 2026 | Jun 1, 2027 | High confidence | |
| US 11,661,431 | Thienopyrrole Compounds In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 · High confidence | Gilead Sciences, Inc. | In force | Nov 30, 2026 | Jun 1, 2027 | High confidence | |
| US 9,045,428 | Substituted Heterocyclic Compounds In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 · Medium confidence | Gilead Sciences, Inc. | In force | Dec 2, 2026 | Jun 2, 2027 | Medium confidence | |
| US 9,045,462 | Synthesis of an Antiviral Compound In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 · Medium confidence | Gilead Sciences, Inc. | In force | Dec 2, 2026 | Jun 2, 2027 | Medium confidence | |
| US 9,045,520 | Synthesis of Purine Nucleosides In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 · High confidence | Gilead Sciences, Inc. | In force | Dec 2, 2026 | Jun 2, 2027 | High confidence | |
| US 10,307,427 | Apoptosis Signal-Regulating Kinase Inhibitors In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 · High confidence | Gilead Sciences, Inc. | In force | Dec 4, 2026 | Jun 4, 2027 | High confidence | |
| US 10,307,438 | Methods of Treating Hepatitis E Viral Infection In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 · High confidence | Gilead Sciences, Inc. | In force | Dec 4, 2026 | Jun 4, 2027 | High confidence | |
| US 10,308,639 | Phosphatidylinositol 3-Kinase Inhibitors In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 · High confidence | Gilead Sciences, Inc. | In force | Dec 4, 2026 | Jun 4, 2027 | High confidence | |
| US 11,666,651 | Prime/Boost Immunization Regimen Against HIV-1 Utilizing a Multiepitope T Cell Immunogen Comprising Gag, Pol, Vif, and Nef Epitopes In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 · High confidence | Gilead Sciences, Inc. | In force | Dec 6, 2026 | Jun 7, 2027 | High confidence | |
| US 11,667,652 | MCL1 Inhibitors In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 · High confidence | Gilead Sciences, Inc. | In force | Dec 6, 2026 | Jun 7, 2027 | High confidence | |
| 146 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro | |||||||
10 of 156 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.