Maintenance fees coming due

GlaxoSmithKline LLC

13 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Dec 11, 2026. Unpaid by Jun 11, 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 10,314,845	Benzimidazole Derivatives as PI3 Kinase Inhibitors GlaxoSmithKline LLC In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 Term ends Sep 23, 2031 · High confidence	GlaxoSmithKline LLC	In force	Dec 11, 2026	Jun 11, 2027	Term ends Sep 23, 2031	High confidence
US 9,062,003	Benzimidazole Derivatives as PI3 Kinase Inhibitors GlaxoSmithKline LLC In force Fee due Dec 23, 2026 Lapses if unpaid Jun 23, 2027 Term ends Sep 23, 2031 · High confidence	GlaxoSmithKline LLC	In force	Dec 23, 2026	Jun 23, 2027	Term ends Sep 23, 2031	High confidence
US 10,357,798	Vapor Sheath for Liquid Dispensing Nozzle GlaxoSmithKline LLC In force Fee due Jan 23, 2027 Lapses if unpaid Jul 23, 2027 Term ends Aug 11, 2030 · Medium confidence	GlaxoSmithKline LLC	In force	Jan 23, 2027	Jul 23, 2027	Term ends Aug 11, 2030	Medium confidence
US 9,102,677	Benzodiazepine Bromodomain Inhibitor GlaxoSmithKline LLC In force Fee due Feb 11, 2027 Lapses if unpaid Aug 11, 2027 Term ends May 29, 2031 · High confidence	GlaxoSmithKline LLC	In force	Feb 11, 2027	Aug 11, 2027	Term ends May 29, 2031	High confidence
US 9,102,685	Derivatives of Betulin GlaxoSmithKline LLC In force Fee due Feb 11, 2027 Lapses if unpaid Aug 11, 2027 Term ends Apr 24, 2033 · High confidence	GlaxoSmithKline LLC	In force	Feb 11, 2027	Aug 11, 2027	Term ends Apr 24, 2033	High confidence
US 9,156,797	Benzimidazole Derivatives As PI3 Kinase Inhibitors GlaxoSmithKline LLC In force Fee due Apr 13, 2027 Lapses if unpaid Oct 13, 2027 Term ends Sep 23, 2031 · High confidence	GlaxoSmithKline LLC	In force	Apr 13, 2027	Oct 13, 2027	Term ends Sep 23, 2031	High confidence
US 9,173,872	Pyrazolopyrimidine Compounds GlaxoSmithKline LLC In force Fee due May 3, 2027 Lapses if unpaid Nov 3, 2027 Term ends Aug 22, 2033 · High confidence	GlaxoSmithKline LLC	In force	May 3, 2027	Nov 3, 2027	Term ends Aug 22, 2033	High confidence
US 10,478,426	Enhancer of Zeste Homolog 2 Inhibitors GlaxoSmithKline LLC In force Fee due May 19, 2027 Lapses if unpaid Nov 19, 2027 Term ends May 15, 2033 · High confidence	GlaxoSmithKline LLC	In force	May 19, 2027	Nov 19, 2027	Term ends May 15, 2033	High confidence
US 9,233,934	Phenyl Amino Pyrimidine Compounds and Uses Thereof GlaxoSmithKline LLC In force Fee due Jul 12, 2027 Lapses if unpaid Jan 12, 2028 Term ends Jun 24, 2028 · High confidence	GlaxoSmithKline LLC	In force	Jul 12, 2027	Jan 12, 2028	Term ends Jun 24, 2028	High confidence
US 9,238,628	Phenyl Amino Pyrimidine Compounds and Uses Thereof GlaxoSmithKline LLC In force Fee due Jul 19, 2027 Lapses if unpaid Jan 19, 2028 Term ends Mar 30, 2028 · High confidence	GlaxoSmithKline LLC	In force	Jul 19, 2027	Jan 19, 2028	Term ends Mar 30, 2028	High confidence
3 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro

10 of 13 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.