Maintenance fees coming due

Ast & Science, LLC

15 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 6, 2026. Unpaid by Jun 7, 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 11,671,850	Adaptive Taper Selection for Beamforming Ast & Science, LLC In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Mar 16, 2042 · High confidence	Ast & Science, LLC	In force	Dec 6, 2026	Jun 7, 2027	Term ends Mar 16, 2042	High confidence
US 11,683,009	Solar, Electronic, RF Radiator for a Self-Contained Structure for Space Application Array Ast & Science LLC D/B/A Ast Spacemobile In force Fee due Dec 20, 2026 Lapses if unpaid Jun 21, 2027 Term ends May 15, 2040 · High confidence	Ast & Science LLC D/B/A Ast Spacemobile	In force	Dec 20, 2026	Jun 21, 2027	Term ends May 15, 2040	High confidence
US 11,718,421	Thermal Management System for Structures in Space Ast & Science, LLC In force Fee due Feb 8, 2027 Lapses if unpaid Aug 9, 2027 Term ends May 15, 2040 · High confidence	Ast & Science, LLC	In force	Feb 8, 2027	Aug 9, 2027	Term ends May 15, 2040	High confidence
US 11,722,211	Aocs System to Maintain Planarity for Space Digital Beam Forming Using Carrier Phase Differential GPS, Imu and Magnet Torques on Large Space Structures Ast & Science, LLC In force Fee due Feb 8, 2027 Lapses if unpaid Aug 9, 2027 Term ends Feb 12, 2041 · High confidence	Ast & Science, LLC	In force	Feb 8, 2027	Aug 9, 2027	Term ends Feb 12, 2041	High confidence
US 11,738,888	Momentum Wheels and Reaction Wheels for Objects in Space Ast & Science LLC D/B/A Ast Spacemobile In force Fee due Feb 28, 2027 Lapses if unpaid Aug 30, 2027 Term ends Mar 16, 2042 · High confidence	Ast & Science LLC D/B/A Ast Spacemobile	In force	Feb 28, 2027	Aug 30, 2027	Term ends Mar 16, 2042	High confidence
US 11,750,275	Geolocation of Radio Frequency Devices Using Spaceborne Phased Arrays Ast & Science, LLC In force Fee due Mar 5, 2027 Lapses if unpaid Sep 7, 2027 Ends no later than Feb 9, 2041 · Medium confidence	Ast & Science, LLC	In force	Mar 5, 2027	Sep 7, 2027	Ends no later than Feb 9, 2041	Medium confidence
US 11,777,700	Dynamic Time Division Duplex (DTDD) Access for Satellite Ran Ast & Science, LLC In force Fee due Apr 3, 2027 Lapses if unpaid Oct 4, 2027 Term ends Jul 18, 2042 · High confidence	Ast & Science, LLC	In force	Apr 3, 2027	Oct 4, 2027	Term ends Jul 18, 2042	High confidence
US 11,804,893	Network Access Management Ast & Science, LLC In force Fee due Apr 30, 2027 Lapses if unpaid Nov 1, 2027 Ends no later than Oct 16, 2040 · Medium confidence	Ast & Science, LLC	In force	Apr 30, 2027	Nov 1, 2027	Ends no later than Oct 16, 2040	Medium confidence
US 11,817,936	Satcom GSM Solution Directly Communicate with GSM Phones Ast & Science, LLC In force Fee due May 14, 2027 Lapses if unpaid Nov 15, 2027 Ends no later than Feb 7, 2042 · Medium confidence	Ast & Science, LLC	In force	May 14, 2027	Nov 15, 2027	Ends no later than Feb 7, 2042	Medium confidence
US 11,848,691	Method and System for Inactive and Active Beam Transition in a Satellite Radio Access Network Ast & Science, LLC In force Fee due Jun 19, 2027 Lapses if unpaid Dec 20, 2027 Term ends Dec 22, 2042 · High confidence	Ast & Science, LLC	In force	Jun 19, 2027	Dec 20, 2027	Term ends Dec 22, 2042	High confidence
5 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 15 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.