Lapsed Feb 28, 2025 on the fee record · High confidence
20-year base term ends Nov 6, 2033
Second maintenance fee unpaid; grace period ended.
Held by Legrand DPC, LLC
Filed Apr 15, 2015 as application 14/687,670 · Granted Feb 28, 2017
Base term, 20 years from filing, plus 53 days of patent term adjustment (USPTO delay)
Today
Lapsed Feb 28, 2025
2013
2033
Clock starts
Nov 6, 2013
Nov 6, 2013
No longer in force
Feb 28, 2025
Feb 28, 2025
Granted
Feb 28, 2017
Feb 28, 2017
Term would have run to
Dec 29, 2033
Dec 29, 2033
base term
patent term adjustment
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
53
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 9,614,335, to Dec 29, 2033. The term already ends on or before that date, so the cap shortened nothing.
1 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.
12
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Dec 29, 2033: its 20-year base term plus 53 days of term adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Nov 6, 2013, when application 14/073,769, the earliest non-provisional in its chain, was filed (this one was filed Apr 15, 2015) | Nov 6, 2033 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +53 days, USPTO patent term adjustment record | Dec 29, 2033 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,614,335) | resolves to Dec 29, 2033, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | lapsed Feb 28, 2025 | High confidence |
| Computed term end | The steps above, in order | Feb 28, 2025 | High confidence |
This family
| US 9,484,692 | In force Nov 2033 | Nov 2033 |
| US 9,627,828 | In force May 2034 | May 2034 |
| US D809,461 | In force Feb 2032 | Feb 2032 |
| US 9,614,335 | In force Dec 2033 | Dec 2033 |
| US 9,583,902 | this patent Feb 2025 | Feb 2025 |
| US 10,424,884 | In force Nov 2033 | Nov 2033 |
| US 10,424,885 | In force Nov 2033 | Nov 2033 |
| US 10,424,886 | In force no later than Nov 2033 | no later than Nov 2033 |
8 of 12 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 |
|---|---|---|---|
| Apr 22, 2015 Reel 35468, frame 802 | Irons, Travis; Maskaly, James P.; Giammona, Peter; Ramsey, Mark | Server Technology, Inc. | Assignment of Assignor's Interest |
| May 22, 2024 Reel 67505, frame 949 | Server Technology, Inc. | Legrand DPC, LLC | Merger |
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 53 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 9,614,335, ends no earlier than this term, so it caps nothing.
Citations
26
later US patents cite this one
That is top 25% of utility patents granted in 2017 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.