Term ends Nov 14, 2028 · Medium confidence
20-year base term ends Nov 14, 2028
Filed Feb 24, 2022 as application 17/679,414 · Granted Aug 8, 2023
Base term, 20 years from filing
Today
2008
2028
Clock starts
Nov 14, 2008
Nov 14, 2008
Term ends
Nov 14, 2028
Nov 14, 2028
Granted
Aug 8, 2023
Aug 8, 2023
base term
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,683,610, US 11,268,238, to Nov 14, 2028. The term already ends on or before that date, so the cap shortened nothing.
0 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
8
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 0 of 1 maintenance fees are paid so far. Confidence: Medium. 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 14, 2008, when application 12/271,104, the earliest non-provisional in its chain, was filed (this one was filed Feb 24, 2022); a parent in its chain could not be resolved (the next row) | Nov 14, 2028 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,683,610, US 11,268,238) | resolves to Nov 14, 2028, no earlier than this term, so no change | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 1 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 14, 2028 | Medium confidence |
This family
| US 8,161,721 | In force Sep 2030 | Sep 2030 |
| US 8,161,722 | In force Sep 2030 | Sep 2030 |
| US 8,904,743 | In force Aug 2030 | Aug 2030 |
| US 9,845,573 | In force Dec 2029 | Dec 2029 |
| US 10,683,610 | In force no later than May 2029 | no later than May 2029 |
| US 11,268,238 | In force Nov 2028 | Nov 2028 |
| US 11,718,956 | this patent Nov 2028 | Nov 2028 |
7 of 8 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 |
|---|---|---|---|
| Feb 24, 2022 Reel 59089, frame 622 | Chiasson, David W.; Conrad, Craig Miller; Moon, Jonathan Edward; Petersen, Mark Wade; Smith, David Henry | Corning Cable Systems LLC | Assignment of Assignor's Interest |
| Feb 24, 2022 Reel 59089, frame 750 | Corning Cable Systems LLC | Corning Optical Communications LLC | 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
Nov 2028
Term ends Nov 14, 2028. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 10,683,610, US 11,268,238, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2023 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.