573 patents currently held
15 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.
2 more records may belong here and await a decision; they are not counted.
The next term ends in Jan 2027. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
51
Ending by 2030
Jan 2027
Next term end
372
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 Jun 2035 · High confidence
Also notable
Ends Mar 2035 · High confidence
Also notable
Ends Mar 2041 · High confidence
Hearing Aid Device Comprising a Sensor Member
US 9,596,551
Cited by 71 later US patents, top 5% of utility patents granted in 2017 in our data, and renewed at every maintenance window due so far. Protection runs to 2035.
RF Antenna and Hearing Device with RF Antenna
US 9,680,209
Cited by 39 later US patents, top 10% of utility patents granted in 2017 in our data, and renewed at every maintenance window due so far. Protection runs to 2035.
Hearing Aid System for Estimating Acoustic Transfer Functions
US 11,510,019
Cited by 17 later US patents, top 10% of utility patents granted in 2022 in our data. Protection runs to 2041.
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.
- 1 fee due Nov 16, 2026The maintenance fee for In-The-Ear Hearing Aid Device, a Hearing Aid, and an Electro-Acoustic Transducer (US 11,653,145) comes due Nov 16, 2026. Unpaid by May 17, 2027, it lapses early.
- 14 fees due Dec 4 to 27, 2026 · next Dec 4
- 13 fees due Jan 2 to 30, 2027 · next Jan 2
- 10 fees due Feb 6 to 28, 2027 · next Feb 6
- 5 fees due Mar 5 to 19, 2027 · next Mar 5
- 8 fees due Apr 1 to 17, 2027 · next Apr 1
- 10 fees due May 3 to 21, 2027 · next May 3
- 16 fees due Jun 1 to 30, 2027 · next Jun 1
- 4 fees due Jul 2 to 30, 2027 · next Jul 2
- 13 fees due Aug 4 to 27, 2027 · next Aug 4
- 9 fees due Sep 1 to 30, 2027 · next Sep 1
- 11 fees due Oct 2 to 26, 2027 · next Oct 2
- 4 fees due Nov 10 to 12, 2027 · next Nov 10
Recent changes
- 6 of the patents on this record were granted since Aug 16, 2026
- 4 terms have ended since Aug 16, 2026
What they patent
The 5 largest of its 372 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| RF Antenna and Hearing Device with RF Antenna | 12 in force | to Mar 2035 |
| Hearing Device Comprising a Directional System Configured to Adaptively Optimize Sound from Multiple Target Positions | 10 in force | to Mar 2045 |
| Hearing Aid Comprising an Activation Element | 9 in force | to Jun 2044 |
| Hearing Aid Device Comprising a Sensor Member | 7 in force | to Jun 2035 |
| Hearing Aid System for Estimating Acoustic Transfer Functions | 6 in force | to Sep 2041 |
Patents held now
Soonest term end first.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,761,291 | Method for Processing Audio-Signals In force · High confidence | In force | High confidence | |
| US 7,450,078 | Loop Antenna for in the Ear Audio Device In force · High confidence | In force | High confidence | |
| US D676,970 | Hearing Aid In force · High confidence | In force | High confidence | |
| US D679,817 | Hearing Aid In force · High confidence | In force | High confidence | |
| US 9,326,077 | System and Method for Sharing Network Resources Between Hearing Devices In force · Low confidence | In force | Low confidence | |
| US 7,592,964 | Shielded Coil for Inductive Wireless Applications In force · High confidence | In force | High confidence | |
| US D698,027 | Assistive Listening Device In force · High confidence | In force | High confidence | |
| US 8,989,415 | Hearing Aid Noise Reduction Method, System, and Apparatus In force · Medium confidence | In force | Medium confidence | |
| US D705,936 | Behind-The-Ear (BTE) Hearing Aid In force · High confidence | In force | High confidence | |
| US 8,923,540 | Online Anti-Feedback System for a Hearing Aid In force · Medium confidence | In force | Medium confidence |
Also on record, not counted in the 573: 15 patents in force now held by others · 193 patents ended · 103 applications pending · 85 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.