The Patent Finder

Maintenance fees coming due

Bayer AG

66 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.
PatentTitleHolderStatusFee dueLapses if unpaidExpiresConfidence
US 10,296,708Computer-Implemented Method for Creating a Fermentation Model
In force
Fee due Nov 21, 2026
Lapses if unpaid May 21, 2027
 · High confidence
Bayer AktiengesellschaftIn forceNov 21, 2026May 21, 2027High confidence
US 11,659,826Detection of Arthropods
In force
Fee due Nov 30, 2026
Lapses if unpaid Jun 1, 2027
 · High confidence
Bayer AktiengesellschaftIn forceNov 30, 2026Jun 1, 2027High confidence
US 11,660,351Antibody Drug Conjugates (ADCS) Having Enzymatically Cleavable Groups
In force
Fee due Nov 30, 2026
Lapses if unpaid Jun 1, 2027
 · High confidence
Bayer Aktiengesellschaft and Bayer Pharma AktiengesellschaftIn forceNov 30, 2026Jun 1, 2027High confidence
US 11,666,552A Method for Modifying Release of a Therapeutically Active Agent from an Elastomeric Matrix
In force
Fee due Dec 6, 2026
Lapses if unpaid Jun 7, 2027
 · High confidence
Bayer OyIn forceDec 6, 2026Jun 7, 2027High confidence
US 11,667,675Masp Inhibitory Compounds and Uses Thereof
In force
Fee due Dec 6, 2026
Lapses if unpaid Jun 7, 2027
 · High confidence
Bayer AktiengesellschaftIn forceDec 6, 2026Jun 7, 2027High confidence
US 11,672,902System and Method for Improved Fluid Delivery in Multi-Fluid Injector Systems
In force
Fee due Dec 13, 2026
Lapses if unpaid Jun 14, 2027
 · High confidence
Bayer Healthcare LLCIn forceDec 13, 2026Jun 14, 2027High confidence
US 11,690,911Combination of Atr Kinase Inhibitors and PD-1/PD-L1 Inhibitors
In force
Fee due Jan 4, 2027
Lapses if unpaid Jul 6, 2027
 · High confidence
Bayer Aktiengesellschaft and Bayer Pharma AktiengesellschaftIn forceJan 4, 2027Jul 6, 2027High confidence
US 11,691,938Process for Preparing 2,6-Dialkylphenylacetic Acids
In force
Fee due Jan 4, 2027
Lapses if unpaid Jul 6, 2027
 · High confidence
Bayer AktiengesellschaftIn forceJan 4, 2027Jul 6, 2027High confidence
US 11,691,986Ptefb Inhibiting Macrocyclic Compounds
In force
Fee due Jan 4, 2027
Lapses if unpaid Jul 6, 2027
 · Medium confidence
Bayer Aktiengesellschaft and Bayer Pharma AktiengesellschaftIn forceJan 4, 2027Jul 6, 2027Medium confidence
US 11,701,347Use of 5-Fluoro-4-(4-Fluoro-2-Methoxyphenyl)-N-{4-[(S-METHYLSULFONIMIDOYL)METHYL]PYRIDIN-2-YL}PYRIDIN-2-Amine for Treating Diffuse Large B-Cell Lymphoma
In force
Fee due Jan 18, 2027
Lapses if unpaid Jul 19, 2027
 · High confidence
Bayer Aktiengesellschaft and Bayer Pharma AktiengesellschaftIn forceJan 18, 2027Jul 19, 2027High confidence
56 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro
10 of 66 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