Term ended May 16, 2026 · High confidence
20-year base term ends Apr 3, 2035
Held by Koninklijke Philips N.V.
Filed Apr 3, 2015 as application 14/678,118 · Granted Mar 6, 2018
Base term plus 204 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Term ended May 16, 2026
2015
2035
Clock starts
Apr 3, 2015
Apr 3, 2015
Term ended
May 16, 2026
May 16, 2026
Granted
Mar 6, 2018
Mar 6, 2018
base term
after the term ends
fee events
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
204
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 9,028,405.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
10
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 204 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Apr 3, 2015, when this application, 14/678,118, was filed | Apr 3, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +204 days, USPTO patent term adjustment record | Oct 24, 2035 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,028,405) | capped to May 16, 2026 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | May 16, 2026 | High confidence |
This family
| US 7,539,533 | In force Aug 2027 | Aug 2027 |
| US 8,103,333 | In force Nov 2027 | Nov 2027 |
| US 8,323,188 | Term ended May 2026 | May 2026 |
| US 8,684,900 | Term ended May 2026 | May 2026 |
| US 8,684,922 | Lapsed on the fee record Apr 2026 | Apr 2026 |
| US 9,865,176 | In force May 2034 | May 2034 |
| US 9,028,405 | Term ended May 2026 | May 2026 |
| US 9,907,473 | this patent May 2026 | May 2026 |
8 of 10 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Mar 30, 2017 Reel 41791, frame 895 | West 74TH Street, Series 75 of Allied Security Trust I | Koninklijke Philips N.V. | Assignment of Assignor's Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 204 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 9,028,405.
Citations
279
later US patents cite this one
That is top 1% of utility patents granted in 2018 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.