Term ends Aug 12, 2028 · High confidence
20-year base term ends Aug 12, 2028
Held by RP Intellectual Partners LLC
Filed Dec 23, 2014 as application 14/580,421 · Granted Oct 13, 2015
Base term, 20 years from filing
Today
2008
2028
Clock starts
Aug 12, 2008
Aug 12, 2008
Term ends
Aug 12, 2028
Aug 12, 2028
Granted
Oct 13, 2015
Oct 13, 2015
base term
fee events
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 8,504,073, US 8,923,889, to Aug 12, 2028. The term already ends on or before that date, so the cap shortened nothing.
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 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. 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 12, 2008, when application 12/189,861, the earliest non-provisional in its chain, was filed (this one was filed Dec 23, 2014) | Aug 12, 2028 | 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 | Disclaimer resolved from the filed document (refs US 8,504,073, US 8,923,889) | resolves to Aug 12, 2028, no earlier than this term, so no change | 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, 2028 | High confidence |
This family
| US 8,504,073 | In force (reinstated) Oct 2030 | Oct 2030 |
| US 8,923,889 | In force Aug 2028 | Aug 2028 |
| US 9,160,802 | this patent Aug 2028 | Aug 2028 |
| US 9,424,595 | In force Aug 2028 | Aug 2028 |
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 |
|---|---|---|---|
| Mar 5, 2015 Reel 35094, frame 462 | Svendsen, Hugh; Marsh, Olivia Marie; Evans, Gregory M. | Concert Technology Corporation | Assignment of Assignor's Interest |
| Mar 5, 2015 Reel 35094, frame 525 | Concert Technology Corporation | Kota Enterprises, LLC | Assignment of Assignor's Interest |
| Mar 5, 2015 Reel 35094, frame 564 | Kota Enterprises, LLC | Teaneck Enterprises, LLC | Assignment of Assignor's Interest |
| Aug 24, 2015 Reel 36501, frame 341 | Teaneck Enterprises, LLC | Concert Debt, LLC | Security Interest |
| Sep 1, 2015 Reel 36515, frame 495 | Concert Technology Corporation | Concert Debt, LLC | Security Interest |
| Jun 15, 2017 Reel 42728, frame 298 | Teaneck Enterprises, LLC | Lemi Technology, LLC | Assignment of Assignor's Interest |
| Jan 31, 2019 Reel 48198, frame 600 | Lemi Technology, LLC | Ikorongo Technology, LLC | Assignment of Assignor's Interest |
| Jan 31, 2019 Reel 48198, frame 648 | Concert Debt, LLC | Concert Technology Corporation; Lemi Technology, LLC | Security Interest |
| Jan 31, 2019 reel/frame not recorded | Concert Debt, LLC | Concert Technology Corporation | Security Interest |
| Jan 31, 2019 reel/frame not recorded | Concert Debt, LLC | Lemi Technology, LLC | Security Interest |
| Jan 12, 2024 Reel 66287, frame 639 | Ikorongo Technology, LLC | IP3 2023, Series 923 of Allied Security Trust I | Assignment of Assignor's Interest |
| May 7, 2026 Reel 75782, frame 624 | IP3 2023, Series 923 of Allied Security Trust I | RP Intellectual Partners 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 2028
Term ends Aug 12, 2028. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,504,073, US 8,923,889, ends no earlier than this term, so it caps nothing.
Citations
17
later US patents cite this one
That is top 25% 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.