Term ends Mar 9, 2030 · Medium confidence
20-year base term ends Mar 9, 2030
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 8,653,927), so the cap could be lower.
Held by Nucurrent, Inc.
Filed Sep 15, 2011 as application 13/233,569 · Granted Dec 8, 2015
Base term plus 886 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2010
2030
Clock starts
Mar 9, 2010
Mar 9, 2010
Term ends
Mar 9, 2030
Mar 9, 2030
Granted
Dec 8, 2015
Dec 8, 2015
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
886
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 8,653,927, US 8,898,885.
2 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.
27
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 886 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 2 of 3 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 Mar 9, 2010, when application PCT/US2010/000714, the earliest non-provisional in its chain, was filed (this one was filed Sep 15, 2011) | Mar 9, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +886 days, USPTO patent term adjustment record | Aug 11, 2032 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,653,927, US 8,898,885) | capped to Mar 9, 2030 | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Mar 9, 2030 | Medium confidence |
This family
| Application PCT/US2010/000714 | PCT application no patent term | no patent term |
| US 9,439,287 | In force Oct 2031 | Oct 2031 |
| US 9,232,893 | In force Mar 2033 | Mar 2033 |
| US 9,208,942 | this patent Mar 2030 | Mar 2030 |
| US 8,567,048 | In force Sep 2031 | Sep 2031 |
| US 8,898,885 | In force Mar 2030 | Mar 2030 |
| US 8,855,786 | In force Mar 2030 | Mar 2030 |
| US 9,300,046 | In force Aug 2031 | Aug 2031 |
8 of 27 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 |
|---|---|---|---|
| Nov 28, 2011 Reel 27286, frame 933 | Singh, Vinit; Frysz, Christine | Nucurrent, Inc. | Assignment of Assignor's Interest |
| Mar 11, 2015 Reel 35143, frame 182 | Nucurrent, Inc. | Nucurrent, Inc. | 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
Mar 2030
Term ends Mar 9, 2030. Maintenance fees still fall due before then
Note
The 886 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 8,653,927, US 8,898,885.
Citations
195
later US patents cite this one
That is top 5% of utility patents granted in 2015 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.