The Patent Finder

Maintenance fees coming due

Merck Sharp and Dohme LLC

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.
PatentTitleHolderStatusFee dueLapses if unpaidExpiresConfidence
US 10,287,289Process 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 forceNov 14, 2026May 14, 2027High confidence
US 11,649,243Process 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 LLCIn forceNov 16, 2026May 17, 2027High confidence
US 11,649,290CTLA4 Binders
In force
Fee due Nov 16, 2026
Lapses if unpaid May 17, 2027
 · High confidence
Merck Sharp & Dohme LLCIn forceNov 16, 2026May 17, 2027High confidence
US 9,034,851Substituted Pyrimidines
In force
Fee due Nov 19, 2026
Lapses if unpaid May 19, 2027
 · High confidence
Merck Sharp & Dohme LLCIn forceNov 19, 2026May 19, 2027High confidence
US 10,301,281Crystal 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 forceNov 28, 2026May 28, 2027High confidence
US 9,044,463FSH Receptor Antagonists
In force
Fee due Dec 2, 2026
Lapses if unpaid Jun 2, 2027
 · High confidence
Merck Sharp & Dohme B.V.In forceDec 2, 2026Jun 2, 2027High confidence
US 9,045,467Oxazole Derivatives Useful as Inhibitors of Faah
In force
Fee due Dec 2, 2026
Lapses if unpaid Jun 2, 2027
 · High confidence
Merck Sharp & Dohme LLCIn forceDec 2, 2026Jun 2, 2027High confidence
US 10,308,633Process 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 LLCIn forceDec 4, 2026Jun 4, 2027High confidence
US 9,051,329Tricyclic 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 LLCIn forceDec 9, 2026Jun 9, 2027High confidence
US 11,673,877Niraparib Compositions
In force
Fee due Dec 13, 2026
Lapses if unpaid Jun 14, 2027
 · High confidence
Merck Sharp & Dohme LLCIn forceDec 13, 2026Jun 14, 2027High 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.
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Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited