Term ended May 7, 2021 · High confidence
20-year base term ended Mar 21, 2021
USPTO later recorded it as expired for non-payment on Apr 18, 2022.
Held by Nytell Software LLC
Filed Feb 3, 2012 as application 13/365,757 · Granted Mar 11, 2014
Base term plus 47 days of patent term adjustment (USPTO delay)
Today
Term ended May 7, 2021
2001
2026
Clock starts
Mar 21, 2001
Mar 21, 2001
Term ended
May 7, 2021
May 7, 2021
Granted
Mar 11, 2014
Mar 11, 2014
base term
patent term adjustment
after the term ends
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
47
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,111,669, to May 7, 2021. The term already ends on or before that date, so the cap shortened nothing.
1 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it 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 47 days past its 20-year base term on 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 Mar 21, 2001, when application 09/813,491, the earliest non-provisional in its chain, was filed (this one was filed Feb 3, 2012) | Mar 21, 2021 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +47 days, USPTO patent term adjustment record | May 7, 2021 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,111,669) | resolves to May 7, 2021, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 1 maintenance fees paid | term ended | High confidence |
| USPTO status record | Recorded as expired for non-payment on Apr 18, 2022, after the term ended | no change | High confidence |
| Computed term end | The steps above, in order | May 7, 2021 | High confidence |
This family
| Application 09/813,491 | Abandoned not computed | not computed |
| US 8,111,669 | In force Dec 2026 | Dec 2026 |
| US 7,688,777 | Term ended Jun 2024 | Jun 2024 |
| US 8,670,418 | this patent May 2021 | May 2021 |
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 |
|---|---|---|---|
| Feb 7, 2012 Reel 27666, frame 784 | Liberti, Joseph Charles, JR.; Moshavi, Shimon; Zablocky, Paul Gerald | Telcordia Technologies, Inc. | Assignment of Assignor's Interest |
| Feb 7, 2012 Reel 27666, frame 855 | Telcordia Technologies, Inc. | Telcordia Licensing Company LLC | Assignment of Assignor's Interest |
| Mar 5, 2012 Reel 27805, frame 897 | 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 47 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,111,669, ends no earlier than this term, so it caps nothing.
Citations
4
later US patents cite this one
That is below the median of utility patents granted in 2014 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.