Maintenance fees coming due
287 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 14, 2026. Unpaid by May 14, 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 10,287,289 | Process for Preparing Beta 3 Agonists and Intermediates In force Fee due Nov 14, 2026 Lapses if unpaid May 14, 2027 · High confidence | Merck Sharp & Dohme Corp. | In force | Nov 14, 2026 | May 14, 2027 | High confidence | |
| US 11,649,243 | Process for Preparing Beta 3 Agonists and Intermediates In force Fee due Nov 16, 2026 Lapses if unpaid May 17, 2027 · High confidence | Merck Sharp & Dohme LLC | In force | Nov 16, 2026 | May 17, 2027 | High confidence | |
| US 11,649,290 | CTLA4 Binders In force Fee due Nov 16, 2026 Lapses if unpaid May 17, 2027 · High confidence | Merck Sharp & Dohme LLC | In force | Nov 16, 2026 | May 17, 2027 | High confidence | |
| US 9,034,851 | Substituted Pyrimidines In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 · High confidence | Merck Sharp & Dohme LLC | In force | Nov 19, 2026 | May 19, 2027 | High confidence | |
| US 10,301,281 | Crystal Forms of a CCR5 Antagonist In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 · High confidence | Merck Sharp & Dohme B.V. | In force | Nov 28, 2026 | May 28, 2027 | High confidence | |
| US 9,044,463 | FSH Receptor Antagonists In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 · High confidence | Merck Sharp & Dohme B.V. | In force | Dec 2, 2026 | Jun 2, 2027 | High confidence | |
| US 9,045,467 | Oxazole Derivatives Useful as Inhibitors of Faah In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 · High confidence | Merck Sharp & Dohme LLC | In force | Dec 2, 2026 | Jun 2, 2027 | High confidence | |
| US 10,308,633 | Process for Making M1 Receptor Positive Allosteric Modulators In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 · High confidence | Merck Sharp & Dohme LLC | In force | Dec 4, 2026 | Jun 4, 2027 | High confidence | |
| US 9,051,329 | Tricyclic Heterocycles Useful as Dipeptidyl Peptidase-IV Inhibitors In force Fee due Dec 9, 2026 Lapses if unpaid Jun 9, 2027 · High confidence | Merck Sharp & Dohme LLC | In force | Dec 9, 2026 | Jun 9, 2027 | High confidence | |
| US 11,673,877 | Niraparib Compositions In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 · High confidence | Merck Sharp & Dohme LLC | In force | Dec 13, 2026 | Jun 14, 2027 | High confidence | |
| 277 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro | |||||||
10 of 287 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.