26 patents currently held

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 Jul 2038. from the record

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

Ending by 2030

Jul 2038

Next term end

Patent families

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

2026202720282029203020312032203320342035203620372038 2039 2040 2041 2042 2043 20442045

notable patents 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.

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank

Notable

Always-On Keyword Detector US 10,504,507

The most cited patent in this portfolio, cited by 107 later US patents, top 5% of utility patents granted in 2019 in our data. Protection runs to 2038. A terminal disclaimer caps this term to an earlier patent's.

Ends Dec 2038 · High confidence Also notable

Microcontroller Interface For Audio Signal Processing US 11,270,198

Cited by 31 later US patents, top 5% of utility patents granted in 2022 in our data. Protection runs to 2040.

Ends Dec 2040 · High confidence Also notable

Neuromorphic Synthesizer US 11,423,288

Cited by 15 later US patents, top 10% of utility patents granted in 2022 in our data. Protection runs to 2040.

Ends Jul 2040 · High confidence

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 Mar 5, 2027
The maintenance fee for Systems And Methods For Partial Digital Retraining (US 11,748,607) comes due Mar 5, 2027. Unpaid by Sep 7, 2027, it lapses early.
1 fee due Apr 30, 2027
The maintenance fee for Offline Detector (US 11,803,741) comes due Apr 30, 2027. Unpaid by Nov 1, 2027, it lapses early.
1 fee due Jun 10, 2027
The maintenance fee for Always-On Keyword Detector (US 10,504,507) comes due Jun 10, 2027. Unpaid by Dec 10, 2027, it lapses early.
2 fees due Jul 9 to 23, 2027 · next Jul 9
1 fee due Aug 27, 2027
The maintenance fee for Systems and Methods for Detecting Voice Commands to Generate a Peer-to-Peer Communication Link (US 11,917,092) comes due Aug 27, 2027. Unpaid by Feb 28, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nov 4Assignment recorded on 1 record: Cordaro, Joseph and 1 other to Syntiant Recorded Nov 4, 2026, executed Dec 20, 2022. Conveyance as recorded: Assignment of Assignor's Interest. A recorded assignment is a filed document, not a statement of current ownership. Reel 76629, frame 78.
1 of the patents on this record was granted since Aug 16, 2026

What they patent

The 5 largest of its 16 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.

Digital Backed Flash Refresh	4 in force	to Jan 2039
Systems And Methods Of Sparsity Exploiting	3 in force	to Jul 2040
Always-On Keyword Detector	3 in force	to Apr 2039
Digital PDM Microphone Interface	2 in force	to Apr 2043
Neuromorphic Synthesizer	2 in force	to Feb 2041

Patents held now

Soonest term end first.

Patent	Title	Status	Expires	Confidence
US 12,737,606	Systems and Methods of Sparsity Exploiting In force Ends no later than Jul 20, 2038 · Low confidence	In force	Ends no later than Jul 20, 2038	Low confidence
US 10,949,281	Digital Backed Flash Refresh In force Ends no later than Aug 17, 2038 · Medium confidence	In force	Ends no later than Aug 17, 2038	Medium confidence
US 11,334,412	Digital Backed Flash Refresh In force Term ends Aug 17, 2038 · Medium confidence	In force	Term ends Aug 17, 2038	Medium confidence
US 11,880,226	Digital Backed Flash Refresh In force Term ends Aug 17, 2038 · High confidence	In force	Term ends Aug 17, 2038	High confidence
US 12,198,064	Systems And Methods For Determining Circuit-Level Effects On Classifier Accuracy In force Term ends Aug 22, 2038 · High confidence	In force	Term ends Aug 22, 2038	High confidence
US 11,868,876	Systems and Methods for Sparsity Exploiting In force Term ends Sep 2, 2038 · High confidence	In force	Term ends Sep 2, 2038	High confidence
US 10,504,507	Always-On Keyword Detector In force Term ends Dec 28, 2038 · High confidence	In force	Term ends Dec 28, 2038	High confidence
US 11,195,520	Always-On Keyword Detector In force Term ends Dec 28, 2038 · High confidence	In force	Term ends Dec 28, 2038	High confidence
US 10,698,754	Digital Backed Flash Refresh In force Term ends Jan 22, 2039 · High confidence	In force	Term ends Jan 22, 2039	High confidence
US 12,073,314	Microcontroller Interface for Audio Signal Processing In force Term ends Feb 12, 2039 · High confidence	In force	Term ends Feb 12, 2039	High confidence

10 of 26 patents shown.

Pro members see all 26.

Pro members: see all 26 patents

Also on record, not counted in the 26: 14 applications pending · 3 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.

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

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