Maintenance fees coming due

Bayer Pharma Aktiengesellschaft

42 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 19, 2026. Unpaid by May 19, 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 9,035,023	Bombesin Analog Peptide Antagonist Conjugates Bayer Pharma Aktiengesellschaft In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 Term ends Aug 13, 2029 · High confidence	Bayer Pharma Aktiengesellschaft	In force	Nov 19, 2026	May 19, 2027	Term ends Aug 13, 2029	High confidence
US 11,660,301	Combination of Atr Kinase Inhibitors with Parp Inhibitors Bayer Pharma Aktiengesellschaft In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Jul 20, 2038 · High confidence	Bayer Pharma Aktiengesellschaft	In force	Nov 30, 2026	Jun 1, 2027	Term ends Jul 20, 2038	High confidence
US 11,660,351	Antibody Drug Conjugates (ADCS) Having Enzymatically Cleavable Groups Bayer Aktiengesellschaft and Bayer Pharma Aktiengesellschaft In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Mar 8, 2039 · High confidence	Bayer Aktiengesellschaft and Bayer Pharma Aktiengesellschaft	In force	Nov 30, 2026	Jun 1, 2027	Term ends Mar 8, 2039	High confidence
US 10,308,634	New Substituted Indazoles, Methods for the Production Thereof, Pharmaceutical Preparations That Contain Said New Substituted Indazoles, and Use of Said New Substituted Indazoles to Produce Drugs Bayer Pharma Aktiengesellschaft In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Term ends Nov 25, 2035 · High confidence	Bayer Pharma Aktiengesellschaft	In force	Dec 4, 2026	Jun 4, 2027	Term ends Nov 25, 2035	High confidence
US 11,667,675	Masp Inhibitory Compounds and Uses Thereof Bayer Aktiengesellschaft In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Apr 30, 2040 · High confidence	Bayer Aktiengesellschaft	In force	Dec 6, 2026	Jun 7, 2027	Term ends Apr 30, 2040	High confidence
US 9,051,316	Substituted 4-ARYL-1,4-Dihydro-1,6-Naphthyridine Amides and Their Use Bayer Pharma Aktiengesellschaft In force Fee due Dec 9, 2026 Lapses if unpaid Jun 9, 2027 Term ends Jun 10, 2028 · High confidence	Bayer Pharma Aktiengesellschaft	In force	Dec 9, 2026	Jun 9, 2027	Term ends Jun 10, 2028	High confidence
US 10,316,001	Method for Producing (4S)-4-[4-Cyano-2-(METHYLSULFONYL)PHENYL]-3,6-Dimethyl-2-OXO-1-[3-(TRIFLUOROMETHYL)PHENYL]-1,2,3,4-Tetrahydro PYRIMIDINE-5-Carbonitrile PH Pharma Co. Ltd. In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 Term ends Mar 15, 2036 · High confidence	PH Pharma Co. Ltd.	In force	Dec 11, 2026	Jun 11, 2027	Term ends Mar 15, 2036	High confidence
US 10,323,020	Substituted Piperidinyl Tetrahydroquinolines Bayer Pharma Aktiengesellschaft In force Fee due Dec 18, 2026 Lapses if unpaid Jun 21, 2027 Term ends Dec 16, 2034 · Medium confidence	Bayer Pharma Aktiengesellschaft	In force	Dec 18, 2026	Jun 21, 2027	Term ends Dec 16, 2034	Medium confidence
US 11,684,621	Combination Containing SGC Stimulators and Mineralocorticoid Receptor Antagonists Bayer Pharma Aktiengesellschaft In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 Ends no later than May 13, 2038 · Medium confidence	Bayer Pharma Aktiengesellschaft	In force	Dec 27, 2026	Jun 28, 2027	Ends no later than May 13, 2038	Medium confidence
US 11,684,672	Combinations of Copanlisib with ANTI-PD-1 Antibody Bayer Pharma Aktiengesellschaft In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 Term ends Jul 27, 2039 · High confidence	Bayer Pharma Aktiengesellschaft	In force	Dec 27, 2026	Jun 28, 2027	Term ends Jul 27, 2039	High confidence
32 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 42 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.