Maintenance fees coming due

Widex A/S

48 maintenance fees come due in the 12 months from Nov 15, 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 9,049,525	Hearing Aid System and Method of Fitting a Hearing Aid System Widex A/S In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends Oct 13, 2030 · High confidence	Widex A/S	In force	Dec 2, 2026	Jun 2, 2027	Term ends Oct 13, 2030	High confidence
US 11,683,649	System, Method and Computer Program for Interactively Assisting a User in Evaluating a Hearing Loss Sivantos Pte. Ltd. and Widex A/S In force Fee due Dec 20, 2026 Lapses if unpaid Jun 21, 2027 Term ends Dec 16, 2041 · High confidence	Sivantos Pte. Ltd. and Widex A/S	In force	Dec 20, 2026	Jun 21, 2027	Term ends Dec 16, 2041	High confidence
US 11,690,555	Eeg Monitor with Capacitive Electrodes and Method of Monitoring Brain Waves Widex A/S In force Fee due Jan 4, 2027 Lapses if unpaid Jul 6, 2027 Term ends Jan 5, 2034 · High confidence	Widex A/S	In force	Jan 4, 2027	Jul 6, 2027	Term ends Jan 5, 2034	High confidence
US 11,699,798	A Direct Alcohol Fuel Cell Widex A/S In force Fee due Jan 11, 2027 Lapses if unpaid Jul 12, 2027 Term ends Jul 27, 2040 · High confidence	Widex A/S	In force	Jan 11, 2027	Jul 12, 2027	Term ends Jul 27, 2040	High confidence
US 10,356,538	Hearing Aid Having a Classifier for Classifying Auditory Environments and Sharing Settings Widex A/S In force Fee due Jan 16, 2027 Lapses if unpaid Jul 16, 2027 Term ends Aug 20, 2033 · High confidence	Widex A/S	In force	Jan 16, 2027	Jul 16, 2027	Term ends Aug 20, 2033	High confidence
US 9,111,549	Hearing Aid and a Method of Improved Audio Reproduction Widex A/S In force Fee due Feb 18, 2027 Lapses if unpaid Aug 18, 2027 Term ends Nov 29, 2031 · High confidence	Widex A/S	In force	Feb 18, 2027	Aug 18, 2027	Term ends Nov 29, 2031	High confidence
US 10,390,152	Hearing Aid Having a Classifier Widex A/S In force Fee due Feb 20, 2027 Lapses if unpaid Aug 20, 2027 Term ends Aug 20, 2033 · High confidence	Widex A/S	In force	Feb 20, 2027	Aug 20, 2027	Term ends Aug 20, 2033	High confidence
US 9,119,574	Hearing Screening Application for Mobile Devices Widex A/S In force Fee due Mar 1, 2027 Lapses if unpaid Sep 1, 2027 Term ends Jul 19, 2033 · High confidence	Widex A/S	In force	Mar 1, 2027	Sep 1, 2027	Term ends Jul 19, 2033	High confidence
US 9,124,988	Hearing Aid with Adaptive Noise Reduction and Method Widex A/S In force Fee due Mar 1, 2027 Lapses if unpaid Sep 1, 2027 Term ends Sep 24, 2031 · High confidence	Widex A/S	In force	Mar 1, 2027	Sep 1, 2027	Term ends Sep 24, 2031	High confidence
US 9,124,993	Hearing Aid with a Wireless Transceiver and Method of Fitting a Hearing Aid Widex A/S In force Fee due Mar 1, 2027 Lapses if unpaid Sep 1, 2027 Term ends Jun 17, 2031 · High confidence	Widex A/S	In force	Mar 1, 2027	Sep 1, 2027	Term ends Jun 17, 2031	High confidence
38 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro

10 of 48 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.