Term ended Jan 26, 2026 · High confidence
20-year base term ended Jan 26, 2026
Held by Nytell Software LLC
Filed Mar 13, 2024 as application 18/603,839 · Granted Jun 17, 2025
Base term, 20 years from filing
Today
Term ended Jan 26, 2026
2006
2026
Clock starts
Jan 26, 2006
Jan 26, 2006
Term ended
Jan 26, 2026
Jan 26, 2026
Granted
Jun 17, 2025
Jun 17, 2025
base term
after the term ends
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 11,943,206, to Jan 26, 2026. The term already ends on or before that date, so the cap shortened nothing.
None due
Maintenance fees
This term ends before the first maintenance fee's grace period does, 4 years from grant, so no fee can end it early.
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 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. 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 Mar 13, 2024) | Jan 26, 2026 | 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 11,943,206) | resolves to Jan 26, 2026, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | No maintenance fee can end the term early | term ended | High confidence |
| Computed term end | The steps above, in order | Jan 26, 2026 | High confidence |
This family
| US 9,077,691 | In force Dec 2031 | Dec 2031 |
| US 10,536,435 | In force 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 | this patent 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 |
|---|---|---|---|
| Mar 13, 2024 Reel 66756, frame 174 | Marples, David J.; Wullert, John R., II | Telcordia Technologies, Inc. | Assignment of Assignor's Interest |
| Mar 13, 2024 Reel 66756, frame 177 | Telcordia Technologies, Inc. | Telcordia Licensing Company LLC | Assignment of Assignor's Interest |
| Mar 13, 2024 Reel 66756, frame 185 | Telcordia Licensing Company LLC | Tti Inventions C LLC | Assignment of Assignor's Interest |
| Mar 13, 2024 Reel 66756, frame 433 | 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.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 11,943,206, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite this one
Fewer than half of the utility patents granted in 2025 in our data have been cited yet, so we show the count and do not rank on it.
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.