Term ends Jul 22, 2028 · High confidence
20-year base term ended Jan 26, 2026
Held by Nytell Software LLC
Filed Jun 29, 2015 as application 14/753,385 · Granted Jan 14, 2020
Base term plus 908 days of patent term adjustment (USPTO delay)
Today
2006
2028
Clock starts
Jan 26, 2006
Jan 26, 2006
Term ends
Jul 22, 2028
Jul 22, 2028
Granted
Jan 14, 2020
Jan 14, 2020
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
908
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
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 908 days past its 20-year base term on 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 Jan 26, 2006, when application 11/341,172, the earliest non-provisional in its chain, was filed (this one was filed Jun 29, 2015) | Jan 26, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +908 days, USPTO patent term adjustment record | Jul 22, 2028 | 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 | Jul 22, 2028 | High confidence |
This family
| US 9,077,691 | In force Dec 2031 | Dec 2031 |
| US 10,536,435 | this patent Jul 2028 | Jul 2028 |
| US 11,431,685 | Lapsed on the fee record Aug 2026 | Aug 2026 |
| US 11,943,206 | Term ended Feb 2026 | Feb 2026 |
| US 12,335,244 | Term ended Jan 2026 | Jan 2026 |
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 |
|---|---|---|---|
| Sep 9, 2015 Reel 36522, frame 169 | Marples, David J.; Wullert, John R., II | Telcordia Technologies, Inc. | Assignment of Assignor's Interest |
| Sep 9, 2015 Reel 36522, frame 207 | Telcordia Technologies, Inc. | Telcordia Licensing Company LLC | Assignment of Assignor's Interest |
| Sep 9, 2015 Reel 36523, frame 56 | Telcordia Licensing Company LLC | Tti Inventions C LLC | Assignment of Assignor's Interest |
| Sep 28, 2015 Reel 36703, frame 191 | Tti Inventions C LLC | Nytell Software LLC | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Jul 2028
Term ends Jul 22, 2028. Maintenance fees still fall due before then
Note
The 908 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
3
later US patents cite this one
That is above the median 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.