Drowsy Digital, Inc.

31 patents currently held · Updated Nov 14, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Sep 2033

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

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 30, 2026
The maintenance fee for Biometric Feedback as an Adaptation Trigger for Active Noise Reduction, Masking, and Breathing Entrainment (US 11,660,418) comes due Nov 30, 2026. Unpaid by Jun 1, 2027, it lapses early.
1 fee due Dec 18, 2026
The maintenance fee for Externalized Audio Modulated by Respiration Rate (US 10,327,073) comes due Dec 18, 2026. Unpaid by Jun 21, 2027, it lapses early.
3 fees due Jan 16 to 23, 2027 · next Jan 16
1 fee due May 26, 2027
The maintenance fee for Biopotential Wakeup Word (US 10,488,831) comes due May 26, 2027. Unpaid by Nov 26, 2027, it lapses early.
1 fee due Jun 30, 2027
The maintenance fee for Accelerometer-Driven Automatic Volume and Tone Control (US 10,524,082) comes due Jun 30, 2027. Unpaid by Jan 3, 2028, it lapses early.
1 fee due Jul 14, 2027
The maintenance fee for Integrating Wax Guards into Earphone Ear Tips (US 10,536,764) comes due Jul 14, 2027. Unpaid by Jan 14, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.

Patent	Title	Status	Expires	Confidence
US D828,826	Earbud In force Term ends Sep 18, 2033 · High confidence	In force	Term ends Sep 18, 2033	High confidence
US 9,906,636	Intelligent Earplug System In force Term ends Feb 23, 2035 · Medium confidence	In force	Term ends Feb 23, 2035	Medium confidence
US 10,027,787	Intelligent Earplug System In force Term ends Feb 23, 2035 · Medium confidence	In force	Term ends Feb 23, 2035	Medium confidence
US 10,354,509	Intelligent Earplug System In force Term ends Feb 23, 2035 · Medium confidence	In force	Term ends Feb 23, 2035	Medium confidence
US D876,834	Earbud Case In force Term ends Mar 3, 2035 · High confidence	In force	Term ends Mar 3, 2035	High confidence
US D920,289	Earbud In force Term ends May 25, 2036 · High confidence	In force	Term ends May 25, 2036	High confidence
US 10,653,856	Sleep System In force Term ends Apr 22, 2037 · High confidence	In force	Term ends Apr 22, 2037	High confidence
US 10,360,892	Spectral Optimization of Audio Masking Waveforms In force Term ends Jun 7, 2037 · High confidence	In force	Term ends Jun 7, 2037	High confidence
US 11,617,854	Sleep System In force Term ends Jun 8, 2037 · Medium confidence	In force	Term ends Jun 8, 2037	Medium confidence
US 10,213,157	Active Unipolar Dry Electrode Open Ear Wireless Headset and Brain Computer Interface In force Term ends Jun 9, 2037 · High confidence	In force	Term ends Jun 9, 2037	High confidence

10 of 31 patents shown.

Pro members see all 31.

Pro members: see all 31 patents

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

Export every term end as CSV · Pro