Collateral for a security interest recorded Mar 28, 2022 (Ares Capital Corporation).
Term ends Dec 23, 2031 · High confidence
20-year base term ends Dec 23, 2031
Held by Accurence, Inc.
Filed Dec 14, 2015 as application 14/968,574 · Granted Dec 8, 2020
Base term, 20 years from filing
Today
2011
2031
Clock starts
Dec 23, 2011
Dec 23, 2011
Term ends
Dec 23, 2031
Dec 23, 2031
Granted
Dec 8, 2020
Dec 8, 2020
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.
1 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.
19
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. 1 of 2 maintenance fees is paid so far. 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 Dec 23, 2011, when application 13/336,559, the earliest non-provisional in its chain, was filed (this one was filed Dec 14, 2015) | Dec 23, 2031 | 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 | 1 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 23, 2031 | High confidence |
This family
| US 8,983,806 | In force Feb 2033 | Feb 2033 |
| US 9,158,869 | In force Aug 2032 | Aug 2032 |
| US 9,721,264 | In force Feb 2033 | Feb 2033 |
| US 10,861,099 | this patent Dec 2031 | Dec 2031 |
| US 11,392,977 | In force Feb 2034 | Feb 2034 |
| Application 15/345,071 | Abandoned not computed | not computed |
| US 10,181,079 | In force Mar 2037 | Mar 2037 |
| Application 15/606,475 | Abandoned not computed | not computed |
8 of 19 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 |
|---|---|---|---|
| Aug 29, 2019 Reel 50235, frame 48 | Accurence, Inc. | Silicon Valley Bank | Intellectual Property Security Agreement |
| Nov 3, 2020 Reel 54260, frame 457 | Bruffey, Timothy; Labrie, Zachary; Labrie, Jacob | Accurence, Inc. | Assignment of Assignor's Interest |
| Feb 28, 2022 Reel 59123, frame 113 | Silicon Valley Bank | Accurence, Inc. | Release of Security Interest |
| Mar 14, 2022 Reel 59253, frame 253 | Westriver Innovation Lending Fund VIII, L.P. | Accurence, Inc. | Release of Security Interest |
| Mar 28, 2022 Reel 59407, frame 241 | Accurence, Inc. | U.S. Bank Trust Company, National Association | Security Interest |
| Mar 28, 2022 Reel 59511, frame 916 | Accurence, Inc. | Ares Capital Corporation | Second Lien Patent Security Agreement |
| Jul 28, 2026 Reel 75425, frame 217 | U.S. Bank Trust Company, National Association (as Successor in Interest to U.S. Bank National Association), in Its Capacity as Notes Collateral Agent | Accurence, Inc. | Release of Security 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Dec 2031
Term ends Dec 23, 2031. Maintenance fees still fall due before then
Citations
23
later US patents cite this one
That is top 10% of utility patents granted in 2020 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.