445 patents currently held
2 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
The next term ends in Nov 2026. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
81
Ending by 2030
Nov 2026
Next term end
416
Patent families
When these terms end
Held patents by the year their term ends
notable patents
fee due within 90 days
all others
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
Notable: the highest-ranked patents in this portfolio by citations and family size. Fee due within 90 days: a maintenance fee is due within 90 days of when this page was computed and not yet paid.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Notable
Ends Dec 2031 · High confidence
Also notable
Ends Aug 2037 · High confidence
Also notable
Ends Jun 2027 · High confidence
Automated Fitting of Hearing Devices
US 9,253,583
Cited by 67 later US patents, top 10% of utility patents granted in 2016 in our data, and renewed at every maintenance window due so far. Protection runs to 2031.
Audio Stream Detection
US 11,206,055
Cited by 23 later US patents, top 10% of utility patents granted in 2021 in our data. Protection runs to 2037.
Wireless Audio Signal Receiver Device for a Hearing Instrument
US 7,548,211
Cited by 66 later US patents, top 25% of utility patents granted in 2009 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2027.
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 4 fees due Nov 14 to 28, 2026 · next Nov 14
- 5 fees due Dec 13 to 30, 2026 · next Dec 13
- 6 fees due Jan 9 to 30, 2027 · next Jan 9
- 5 fees due Feb 6 to 22, 2027 · next Feb 6
- 4 fees due Mar 8 to 24, 2027 · next Mar 8
- 9 fees due Apr 1 to 30, 2027 · next Apr 1
- 4 fees due May 14 to 28, 2027 · next May 14
- 10 fees due Jun 1 to 30, 2027 · next Jun 1
- 6 fees due Jul 2 to 26, 2027 · next Jul 2
- 5 fees due Aug 2 to 27, 2027 · next Aug 2
- 7 fees due Sep 1 to 30, 2027 · next Sep 1
- 10 fees due Oct 12 to 30, 2027 · next Oct 12
- 2 fees due Nov 3 to 12, 2027 · next Nov 3
Recent changes
- 12 of the patents on this record were granted since Aug 16, 2026
- 2 terms have ended since Aug 16, 2026
What they patent
The 5 largest of its 416 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Diverse Eavesdropping for a Hearing Device | 5 in force | to Jan 2040 |
| Avoidance of User Discomfort Due to Pressure Differences by Vent Valve, and Associated Systems and Methods | 3 in force | to Jun 2039 |
| Context Dependent Tapping for Hearing Devices | 3 in force | to Mar 2039 |
| Hearing Aid | 3 in force | to Nov 2032 |
| Protective Element for an Electroacoustic Transducer of a Hearing Device or for a Sound Tube Included in a Hearing Device | 2 in force | to Jan 2044 |
Patents held now
Soonest term end first.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,467,555 | Method for Monitoring a Hearing Device and Hearing Device with Self-Monitoring Function In force · High confidence | In force | High confidence | |
| US 7,450,730 | Personal Monitoring System for a User and Method for Monitoring a User In force · High confidence | In force | High confidence | |
| US 8,144,903 | Wireless Communication System In force · High confidence | In force | High confidence | |
| US 7,548,211 | Wireless Audio Signal Receiver Device for a Hearing Instrument In force · High confidence | In force | High confidence | |
| US 8,526,648 | System and Method for Providing Hearing Assistance to a User In force · High confidence | In force | High confidence | |
| US 8,284,973 | Hearing Device with Microphone Protection In force · High confidence | In force | High confidence | |
| US D687,952 | Hearing Aid In force · High confidence | In force | High confidence | |
| US 8,345,900 | Method and System for Providing Hearing Assistance to a User In force · High confidence | In force | High confidence | |
| US 8,620,013 | Communication System and Hearing Device In force · Medium confidence | In force | Medium confidence | |
| US D700,592 | Earphones In force · High confidence | In force | High confidence |
Also on record, not counted in the 445: 2 patents in force now held by others · 236 patents ended · 60 applications pending · 65 applications abandoned. List them
Sources and methods
Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Fee due within 90 days marks a patent with a maintenance fee due within 90 days of the date this page was computed and not yet recorded paid, so it can end earlier than the bar shows. A fee left unpaid ends the patent at the close of the six month grace period that follows its due date, not on the due date itself. It is not a prediction that the fee will be missed.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.