Term ends Aug 12, 2032 · High confidence
20-year base term ends Jul 19, 2032
Held by Roll- Rite LLC
Filed Jan 16, 2015 as application 14/415,565 · Granted Feb 6, 2018
Base term plus 24 days of patent term adjustment (USPTO delay)
Today
2012
2032
Clock starts
Jul 19, 2012
Jul 19, 2012
Term ends
Aug 12, 2032
Aug 12, 2032
Granted
Feb 6, 2018
Feb 6, 2018
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
24
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.
4
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 24 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 Jul 19, 2012, when application 13/553,261, the earliest non-provisional in its chain, was filed (this one was filed Jan 16, 2015) | Jul 19, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +24 days, USPTO patent term adjustment record | Aug 12, 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 | Aug 12, 2032 | High confidence |
This family
| US 8,752,881 | Lapsed on the fee record Jun 2022 | Jun 2022 |
| US 9,136,694 | In force Nov 2032 | Nov 2032 |
| US 9,887,536 | this patent Aug 2032 | Aug 2032 |
3 of 4 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 |
|---|---|---|---|
| Dec 18, 2018 Reel 47948, frame 810 | Roll-Rite LLC | Goldman Sachs Bank USA, as Collateral Agent | Notice of Grant of Security Interest in Patents - First Lien |
| Dec 18, 2018 Reel 47948, frame 831 | Roll-Rite LLC | UBS AG, Stamford Branch, as Collateral Agent | Notice of Grant of Security Interest in Patents - Second Lien |
| Feb 13, 2024 Reel 66567, frame 140 | Roll-Rite LLC | KKR Loan Administration Services LLC | Security Interest |
| Feb 15, 2024 Reel 66613, frame 211 | Goldman Sachs Bank USA, as Collateral Agent | Roll-Rite, LLC | Release of First Lien Security Interest in Patents (Releases RF 047948/0810) |
| Feb 16, 2024 Reel 66624, frame 195 | UBS AG, Stamford Branch, as Collateral Agent | Roll-Rite, LLC | Release of Second Lien Security Interest in Patents (Releases RF 047948/0831) |
| Mar 26, 2025 Reel 70638, frame 812 | Chenowth, Rory | Roll- Rite LLC | Assignment of Assignor's 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
Aug 2032
Term ends Aug 12, 2032. Maintenance fees still fall due before then
Note
The 24 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2
later US patents cite this one
That is below the median of utility patents granted in 2018 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.