Maintenance fees coming due

Eth Zurich

43 maintenance fees come due in the 12 months from Nov 15, 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 11,655,203	Nitration Eth Zürich In force Fee due Nov 23, 2026 Lapses if unpaid May 24, 2027 Term ends Oct 24, 2039 · High confidence	Eth Zürich	In force	Nov 23, 2026	May 24, 2027	Term ends Oct 24, 2039	High confidence
US 10,306,742	Droplet dispensing device, method for providing droplets, and light source for providing UV or X-ray light Eth Zurich In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends May 11, 2037 · High confidence	Eth Zurich	In force	Nov 28, 2026	May 28, 2027	Term ends May 11, 2037	High confidence
US 10,308,349	Controlled Flight of a Multicopter Experiencing a Failure Affecting an Effector Eth Zurich In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Ends no later than Jun 5, 2034 · Medium confidence	Eth Zurich	In force	Dec 4, 2026	Jun 4, 2027	Ends no later than Jun 5, 2034	Medium confidence
US 10,319,576	Laser Ablation Cell Eth Zürich In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 Term ends Mar 22, 2033 · High confidence	Eth Zürich	In force	Dec 11, 2026	Jun 11, 2027	Term ends Mar 22, 2033	High confidence
US 10,325,346	Image Processing System for Downscaling Images Using Perceptual Downscaling Method Eth-Zurich In force Fee due Dec 18, 2026 Lapses if unpaid Jun 21, 2027 Term ends Jul 25, 2036 · High confidence	Eth-Zurich	In force	Dec 18, 2026	Jun 21, 2027	Term ends Jul 25, 2036	High confidence
US 10,336,071	Multi-Nozzle Print Head Eth Zurich In force Fee due Jan 2, 2027 Lapses if unpaid Jul 2, 2027 Term ends Jan 28, 2036 · High confidence	Eth Zurich	In force	Jan 2, 2027	Jul 2, 2027	Term ends Jan 28, 2036	High confidence
US 11,703,604	Detection Device and Method for Detecting Sensor Signals in a Grid of Sensor Elements Eth Zurich In force Fee due Jan 18, 2027 Lapses if unpaid Jul 19, 2027 Term ends Apr 1, 2040 · High confidence	Eth Zurich	In force	Jan 18, 2027	Jul 19, 2027	Term ends Apr 1, 2040	High confidence
US 11,709,506	A Drone and Method of Controlling Flight of a Drone Eth Zurich In force Fee due Jan 25, 2027 Lapses if unpaid Jul 26, 2027 Term ends Nov 27, 2040 · High confidence	Eth Zurich	In force	Jan 25, 2027	Jul 26, 2027	Term ends Nov 27, 2040	High confidence
US 11,713,376	Transmembrane Ph-Gradient Polymersomes for the Quantification of Ammonia in Body Fluids Eth Zurich In force Fee due Feb 1, 2027 Lapses if unpaid Aug 2, 2027 Term ends Apr 29, 2040 · High confidence	Eth Zurich	In force	Feb 1, 2027	Aug 2, 2027	Term ends Apr 29, 2040	High confidence
US 9,099,288	Data Independent Acquisition of Product Ion Spectra and Reference Spectra Library Matching Eth Zurich In force Fee due Feb 4, 2027 Lapses if unpaid Aug 4, 2027 Term ends Sep 14, 2031 · High confidence	Eth Zurich	In force	Feb 4, 2027	Aug 4, 2027	Term ends Sep 14, 2031	High confidence
33 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro

10 of 43 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.