6,336 patents currently held
2,482 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.
40 more records may belong here and await a decision; they are not counted.
The next term ends in Dec 2026. from the record
Of the 2,482 now held by other companies, 704 name Signify Holding B.V. as their current owner, and 1,778 more name another party. Each row says which.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
437
Ending by 2030
Dec 2026
Next term end
5,590
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 Sep 2027 · High confidence
Also notable
Ends Aug 2027 · High confidence
Also notable
Ends Oct 2035 · High confidence
Mesh Network Stroke Monitoring Appliance
US 8,108,036
Cited by 701 later US patents, top 1% of utility patents granted in 2012 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2027.
Mesh Network Monitoring Appliance
US 7,539,533
Cited by 850 later US patents, top 1% of utility patents granted in 2009 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2027.
Electrocardiogram Processing System for Delineation and Classification
US 10,959,660
Cited by 53 later US patents, top 5% of utility patents granted in 2021 in our data. Protection runs to 2035.
Formerly held, still cited
Notable
Ends Oct 2027 · High confidence
The most cited patent in this portfolio, cited by 1,691 later US patents, top 1% of utility patents granted in 2010 in our data. Protection runs to 2027.
now held by BT Wearables LLC
Also notable
Ends Jan 2031 · Medium confidence
Cited by 55 later US patents, top 5% of utility patents granted in 2019 in our data. Protection runs to 2031.
now held by Signify Holding B.V.
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.
- 25 fees due Nov 14 to 30, 2026 · next Nov 14
- 88 fees due Dec 2 to 30, 2026 · next Dec 2
- 88 fees due Jan 2 to 30, 2027 · next Jan 2
- 113 fees due Feb 1 to 28, 2027 · next Feb 1
- 115 fees due Mar 1 to 29, 2027 · next Mar 1
- 106 fees due Apr 1 to 30, 2027 · next Apr 1
- 93 fees due May 3 to 28, 2027 · next May 3
- 108 fees due Jun 1 to 30, 2027 · next Jun 1
- 125 fees due Jul 2 to 30, 2027 · next Jul 2
- 97 fees due Aug 2 to 27, 2027 · next Aug 2
- 119 fees due Sep 1 to 30, 2027 · next Sep 1
- 107 fees due Oct 2 to 30, 2027 · next Oct 2
- 35 fees due Nov 3 to 12, 2027 · next Nov 3
Recent changes
- Oct 28Assignment recorded on 1 record: Ofinno, LLC to Koniklijke Philips N.V. Recorded Oct 28, 2026, executed May 27, 2025. Conveyance as recorded: Assignment of Assignor's Interest. A recorded assignment is a filed document, not a statement of current ownership. Reel 76541, frame 946.
- Oct 27Assignment recorded on 1 record: Notten, Marc Godfriedus Marie and 4 others to Koninklijke Philips N.V. Recorded Oct 27, 2026, executed Jan 12, 2021. Conveyance as recorded: Assignment of Assignor's Interest. A recorded assignment is a filed document, not a statement of current ownership. Reel 76527, frame 266.
- 172 of the patents on this record were granted since Aug 16, 2026
- 75 terms have ended since Aug 16, 2026
What they patent
The 5 largest of its 5,590 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Apparatuses, Methods, and Computer-Readable Medium for Communication in a Wireless Local Area Network | 12 in force | to Mar 2037 |
| Automatic Method to Delineate or Categorize an Electrocardiogram | 11 in force | to Jun 2039 |
| Optimized Scale Factor for Frequency Band Extension in an Audio Frequency Signal Decoder | 8 in force | to Oct 2034 |
| Method and Apparatus for Encoding/Decoding Video Signal | 6 in force | to Mar 2037 |
| Blade Set, Hair Cutting Appliance, and Related Manufacturing Method | 6 in force | to Dec 2035 |
Patents held now
Soonest term end first.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,634,743 | Multiple Spatial Channel Transmission with Rate Control In force · High confidence | In force | High confidence | |
| US 9,427,881 | Cutting Unit with Guard Teeth and Hair-Cutting Device In force · Medium confidence | In force | Medium confidence | |
| US 9,325,394 | Multiple Spatial Channel Transmission with Rate Control In force · High confidence | In force | High confidence | |
| US 7,446,798 | Real-Time Obstacle Detection with a Calibrated Camera and Known Ego-Motion In force · High confidence | In force | High confidence | |
| US 7,574,060 | Deblocker for Postprocess Deblocking In force · High confidence | In force | High confidence | |
| US 9,955,942 | Ultrasonic Method and Apparatus for Measuring or Detecting Flow Behavior of a Non-Sinusoidal Periodicity In force · Medium confidence | In force | Medium confidence | |
| US 9,801,179 | Methods and Systems for Extending Range and Adjusting Bandwidth for Wireless Networks In force · Medium confidence | In force | Medium confidence | |
| US 9,865,270 | Audio Encoding and Decoding In force · High confidence | In force | High confidence | |
| US 10,656,288 | Digital Silicon Photomultiplier for Tof-Pet In force · Medium confidence | In force | Medium confidence | |
| US 10,741,187 | Encoding of Multi-Channel Audio Signal to Generate Encoded Binaural Signal, and Associated Decoding of Encoded Binaural Signal In force · High confidence | In force | High confidence |
Also on record, not counted in the 6,336: 2,482 patents in force now held by others · 2,508 patents ended · 2,191 applications pending · 2,933 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.