The Patent Finder

Maintenance fees coming due

Knowles Electronics, LLC

65 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 30, 2026. Unpaid by Jun 1, 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.
PatentTitleHolderStatusFee dueLapses if unpaidExpiresConfidence
US 11,662,236Sensor Package with Ingress Protection
In force
Fee due Nov 30, 2026
Lapses if unpaid Jun 1, 2027
 · High confidence
Knowles Electronics, LLC.In forceNov 30, 2026Jun 1, 2027High confidence
US 10,313,796Vad Detection Microphone and Method of Operating the Same
In force
Fee due Dec 4, 2026
Lapses if unpaid Jun 4, 2027
 · Medium confidence
Knowles Electronics, LLCIn forceDec 4, 2026Jun 4, 2027Medium confidence
US 11,671,764Can Thickness and Material Combinations for Improved Radio-Frequency Microphone Performance
In force
Fee due Dec 6, 2026
Lapses if unpaid Jun 7, 2027
 · High confidence
Knowles Electronics, LLCIn forceDec 6, 2026Jun 7, 2027High confidence
US 11,671,766Microphone Device with Ingress Protection
In force
Fee due Dec 6, 2026
Lapses if unpaid Jun 7, 2027
 · High confidence
Knowles Electronics, LLC.In forceDec 6, 2026Jun 7, 2027High confidence
US 11,671,775Microphone Assembly with Transducer Sensitivity Drift Compensation and Electrical Circuit Therefor
In force
Fee due Dec 6, 2026
Lapses if unpaid Jun 7, 2027
 · High confidence
Knowles Electronics, LLCIn forceDec 6, 2026Jun 7, 2027High confidence
US 11,671,778Acoustic Receivers with Multiple Diaphragms
In force
Fee due Dec 6, 2026
Lapses if unpaid Jun 7, 2027
 · High confidence
Knowles Electronics, LLCIn forceDec 6, 2026Jun 7, 2027High confidence
US 10,315,912Microelectromechanical System Microphone
In force
Fee due Dec 11, 2026
Lapses if unpaid Jun 11, 2027
 · High confidence
Knowles Electronics, LLCIn forceDec 11, 2026Jun 11, 2027High confidence
US 10,320,780Shared Secret Voice Authentication
In force
Fee due Dec 11, 2026
Lapses if unpaid Jun 11, 2027
 · High confidence
Knowles Electronics, LLCIn forceDec 11, 2026Jun 11, 2027High confidence
US 11,683,648Acoustic Microphone with Integrated Magnetic Transducer
In force
Fee due Dec 20, 2026
Lapses if unpaid Jun 21, 2027
 · High confidence
Knowles Electronics, LLCIn forceDec 20, 2026Jun 21, 2027High confidence
US 10,332,544Microphone and Corresponding Digital Interface
In force
Fee due Dec 25, 2026
Lapses if unpaid Jun 25, 2027
 · High confidence
Knowles Electronics, LLCIn forceDec 25, 2026Jun 25, 2027High confidence
55 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro
10 of 65 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.
Upgrade to Pro
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited