Term ends Oct 26, 2030 · High confidence
20-year base term ends Oct 26, 2030
Held by Signify Holding B.V.
Filed May 28, 2012 as application 13/481,898 · Granted Jan 1, 2013
Base term, 20 years from filing
Today
2010
2030
Clock starts
Oct 26, 2010
Oct 26, 2010
Term ends
Oct 26, 2030
Oct 26, 2030
Granted
Jan 1, 2013
Jan 1, 2013
base term
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
3 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
3
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 is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Oct 26, 2010, when application 12/912,576, the earliest non-provisional in its chain, was filed (this one was filed May 28, 2012) | Oct 26, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Oct 26, 2030 | High confidence |
This family
| US 8,203,277 | In force Oct 2030 | Oct 2030 |
| US 8,344,630 | this patent Oct 2030 | Oct 2030 |
| US 8,547,024 | In force Oct 2030 | Oct 2030 |
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 |
|---|---|---|---|
| May 28, 2012 Reel 28277, frame 132 | Grotkowski, Miroslaw Marek; Sheehan, Gregory Bernard | Light-Based Technologies Incorporated | Assignment of Assignor's Interest |
| Mar 31, 2014 Reel 32559, frame 908 | Light-Based Technologies Incorporated | Koninklijke Philips Electronics N V | Assignment of Assignor's Interest |
| May 6, 2014 Reel 32827, frame 342 | Light-Based Technologies Incorporated | Koninklijke Philips N.V. | Assignment of Assignor's Interest |
| Sep 13, 2016 Reel 40060, frame 9 | Koninklijke Philips N.V. | Philips Lighting Holding B.V. | Assignment of Assignor's Interest |
| Oct 28, 2019 Reel 50837, frame 576 | Philips Lighting Holding B.V. | Signify Holding B.V. | Change of Name |
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
Oct 2030
Term ends Oct 26, 2030. No further fees fall due before then
Citations
2
later US patents cite this one
That is below the median of utility patents granted in 2013 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.