Maintenance fees coming due

Amgen Inc.

201 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 2, 2026. Unpaid by Jun 2, 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 9,045,417	Isotopologues of Isoindole Derivatives Amgen Inc. In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends Jan 12, 2032 · High confidence	Amgen Inc.	In force	Dec 2, 2026	Jun 2, 2027	Term ends Jan 12, 2032	High confidence
US 9,045,547	Methods of Using Antigen Binding Proteins to Proprotein Convertase Subtilisin Kexin Type 9 (PCSK9) Amgen Inc. In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends Nov 22, 2030 · High confidence	Amgen Inc.	In force	Dec 2, 2026	Jun 2, 2027	Term ends Nov 22, 2030	High confidence
US 10,307,483	Pharmaceutical Formulations and Methods of Making the Same Amgen Inc. In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Term ends Oct 19, 2037 · High confidence	Amgen Inc.	In force	Dec 4, 2026	Jun 4, 2027	Term ends Oct 19, 2037	High confidence
US 10,308,704	Stabilized Receptor Polypeptides and Uses Thereof Amgen Inc. In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Ends no later than Nov 25, 2029 · Medium confidence	Amgen Inc.	In force	Dec 4, 2026	Jun 4, 2027	Ends no later than Nov 25, 2029	Medium confidence
US 9,050,415	Devices for Targeted Delivery of Therapeutic Implants Amgen Inc. In force Fee due Dec 9, 2026 Lapses if unpaid Jun 9, 2027 Term ends Sep 16, 2033 · High confidence	Amgen Inc.	In force	Dec 9, 2026	Jun 9, 2027	Term ends Sep 16, 2033	High confidence
US 9,051,311	Sulfamide Sodium Channel Inhibitors Amgen Inc. In force Fee due Dec 9, 2026 Lapses if unpaid Jun 9, 2027 Term ends Mar 7, 2033 · High confidence	Amgen Inc.	In force	Dec 9, 2026	Jun 9, 2027	Term ends Mar 7, 2033	High confidence
US 10,314,976	Method of Assembling and Filling a Drug Delivery Device Amgen Inc. In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 Term ends Jan 7, 2034 · High confidence	Amgen Inc.	In force	Dec 11, 2026	Jun 11, 2027	Term ends Jan 7, 2034	High confidence
US 11,672,733	Gas Permeable Sealing Member for Drug Container and Methods of Assembly Amgen Inc. In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 Term ends Feb 14, 2040 · High confidence	Amgen Inc.	In force	Dec 13, 2026	Jun 14, 2027	Term ends Feb 14, 2040	High confidence
US 11,672,905	Rotationally Biased Insertion Mechanism for a Drug Delivery Pump Amgen Inc. In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 Term ends Feb 10, 2036 · High confidence	Amgen Inc.	In force	Dec 13, 2026	Jun 14, 2027	Term ends Feb 10, 2036	High confidence
US 11,673,941	Mammalian Cell Culture Amgen Inc. In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 Ends no later than Mar 22, 2033 · Medium confidence	Amgen Inc.	In force	Dec 13, 2026	Jun 14, 2027	Ends no later than Mar 22, 2033	Medium confidence
191 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 201 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.