Maintenance fees coming due

Ubtech Robotics Corp. Ltd.

38 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 23, 2026. Unpaid by May 24, 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 11,654,551	Redundant Robotic Arm Control Method, Redundant Robotic Arm Controller, and Computer Readable Storage Medium Ubtech Robotics Corp. Ltd. In force Fee due Nov 23, 2026 Lapses if unpaid May 24, 2027 Term ends Aug 21, 2041 · High confidence	Ubtech Robotics Corp. Ltd.	In force	Nov 23, 2026	May 24, 2027	Term ends Aug 21, 2041	High confidence
US 11,654,557	Direct Force Feedback Control Method, and Controller and Robot Using the Same Ubtech Robotics Corp. Ltd. In force Fee due Nov 23, 2026 Lapses if unpaid May 24, 2027 Term ends Oct 27, 2041 · High confidence	Ubtech Robotics Corp. Ltd.	In force	Nov 23, 2026	May 24, 2027	Term ends Oct 27, 2041	High confidence
US 11,654,572	Robot Mapping Method and Robot and Computer Readable Storage Medium Using the Same Ubtech Robotics Corp. Ltd. In force Fee due Nov 23, 2026 Lapses if unpaid May 24, 2027 Term ends Dec 30, 2041 · High confidence	Ubtech Robotics Corp. Ltd.	In force	Nov 23, 2026	May 24, 2027	Term ends Dec 30, 2041	High confidence
US 11,685,043	Mechanical Arm Ubtech Robotics Corp. Ltd. In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 Term ends Nov 20, 2040 · High confidence	Ubtech Robotics Corp. Ltd.	In force	Dec 27, 2026	Jun 28, 2027	Term ends Nov 20, 2040	High confidence
US 11,691,284	Robot Control Method, Computer-Readable Storage Medium and Robot Ubtech Robotics Corp. Ltd. In force Fee due Jan 4, 2027 Lapses if unpaid Jul 6, 2027 Term ends Jul 9, 2041 · High confidence	Ubtech Robotics Corp. Ltd.	In force	Jan 4, 2027	Jul 6, 2027	Term ends Jul 9, 2041	High confidence
US 11,693,430	Gait Planning Method, Computer-Readable Storage Medium and Robot Ubtech Robotics Corp. Ltd. In force Fee due Jan 4, 2027 Lapses if unpaid Jul 6, 2027 Term ends Oct 28, 2041 · High confidence	Ubtech Robotics Corp. Ltd.	In force	Jan 4, 2027	Jul 6, 2027	Term ends Oct 28, 2041	High confidence
US 11,708,882	Head Mechanism and Robot Ubtech Robotics Corp. Ltd. In force Fee due Jan 25, 2027 Lapses if unpaid Jul 26, 2027 Term ends Feb 22, 2041 · High confidence	Ubtech Robotics Corp. Ltd.	In force	Jan 25, 2027	Jul 26, 2027	Term ends Feb 22, 2041	High confidence
US 11,709,914	Face Recognition Method, Terminal Device Using the Same, and Computer Readable Storage Medium Ubtech Robotics Corp. Ltd. In force Fee due Jan 25, 2027 Lapses if unpaid Jul 26, 2027 Term ends Dec 9, 2041 · High confidence	Ubtech Robotics Corp. Ltd.	In force	Jan 25, 2027	Jul 26, 2027	Term ends Dec 9, 2041	High confidence
US 11,710,277	Map Database Creation Method, Mobile Machine Using the Same, and Computer Readable Storage Medium Ubtech Robotics Corp. Ltd. In force Fee due Jan 25, 2027 Lapses if unpaid Jul 26, 2027 Term ends May 7, 2041 · High confidence	Ubtech Robotics Corp. Ltd.	In force	Jan 25, 2027	Jul 26, 2027	Term ends May 7, 2041	High confidence
US 11,713,088	Leg Mechanism and Humanoid Robot Ubtech Robotics Corp. Ltd. In force Fee due Feb 1, 2027 Lapses if unpaid Aug 2, 2027 Term ends Dec 29, 2041 · High confidence	Ubtech Robotics Corp. Ltd.	In force	Feb 1, 2027	Aug 2, 2027	Term ends Dec 29, 2041	High confidence
28 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 38 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.