Term ends Oct 31, 2032 · High confidence
20-year base term ends Aug 9, 2032
Held by Frontline Technologies Group LLC
Filed Dec 20, 2012 as application 13/721,461 · Granted Feb 21, 2017
Base term plus 83 days of patent term adjustment (USPTO delay)
Today
2012
2032
Clock starts
Aug 9, 2012
Aug 9, 2012
Term ends
Oct 31, 2032
Oct 31, 2032
Granted
Feb 21, 2017
Feb 21, 2017
base term
patent term adjustment
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
83
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
5
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 83 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are 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 Aug 9, 2012, when application 13/570,839, the earliest non-provisional in its chain, was filed (this one was filed Dec 20, 2012) | Aug 9, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +83 days, USPTO patent term adjustment record | Oct 31, 2032 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Oct 31, 2032 | High confidence |
This family
| US 9,262,746 | Lapsed on the fee record Feb 2020 | Feb 2020 |
| US 9,575,616 | this patent Oct 2032 | Oct 2032 |
| Application PCT/US2013/039819 | PCT application no patent term | no patent term |
| Application 14/988,637 | Abandoned not computed | not computed |
| Application 15/402,004 | Abandoned not computed | not computed |
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 |
|---|---|---|---|
| Dec 21, 2012 Reel 29514, frame 745 | Linton, Chet Dee | School Improvement Network, LLC | Assignment of Assignor's Interest |
| Jul 18, 2017 Reel 43035, frame 713 | School Improvement Network, LLC | Frontline Technologies Group LLC | Assignment of Assignor's Interest |
| Aug 11, 2017 Reel 43268, frame 624 | Frontline Technologies Group LLC | Wells Fargo Bank, National Association, as Agent | Security Interest |
| Sep 21, 2017 Reel 43943, frame 674 | Wells Fargo Bank, National Association, as Agent | Frontline Technologies Group LLC | Release of Security Interest in Patents at R/F 043268-0624 |
| Sep 22, 2017 Reel 43660, frame 286 | Frontline Technologies Group LLC | Ares Capital Corporation, As Collateral Agent | Security Interest |
| Oct 4, 2022 Reel 61604, frame 765 | Ares Capital Corporation, As Collateral Agent | Frontline Technologies Group LLC | Release of Security Interest in Patents Recorded at R/F 043660/0286 |
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
Oct 2032
Term ends Oct 31, 2032. Maintenance fees still fall due before then
Note
The 83 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
17
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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.