Term ended Feb 10, 2024 · High confidence
20-year base term ended Feb 10, 2024
Filed Oct 30, 2021 as application 17/515,463 · Granted Apr 11, 2023
Base term plus 9 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Term ended Feb 10, 2024
2004
2026
Clock starts
Feb 10, 2004
Feb 10, 2004
Term ended
Feb 10, 2024
Feb 10, 2024
Granted
Apr 11, 2023
Apr 11, 2023
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
9
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,057,075, US 10,778,456, US 11,240,051, US 8,775,511, US 9,037,651, US 9,565,219.
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.
7
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 9 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Feb 10, 2004, when application 10/776,459, the earliest non-provisional in its chain, was filed (this one was filed Oct 30, 2021) | Feb 10, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +9 days, USPTO patent term adjustment record | Feb 19, 2024 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,057,075, US 10,778,456, US 11,240,051, US 8,775,511, US 9,037,651, US 9,565,219) | capped to Feb 10, 2024 | 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 | Feb 10, 2024 | High confidence |
This family
| US 8,775,511 | In force May 2028 | May 2028 |
| US 9,037,651 | Term ended Feb 2024 | Feb 2024 |
| US 9,565,219 | Lapsed on the fee record Feb 2021 | Feb 2021 |
| US 10,057,075 | Term ended Feb 2024 | Feb 2024 |
| US 10,778,456 | Term ended Feb 2024 | Feb 2024 |
| US 11,240,051 | Term ended Feb 2024 | Feb 2024 |
| US 11,627,008 | this patent Feb 2024 | Feb 2024 |
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 |
|---|---|---|---|
| Nov 20, 2021 Reel 58172, frame 332 | Vernon, Todd; Jones, Dan | Raindance Communications, Inc. | Assignment of Assignor's Interest |
| Nov 20, 2021 Reel 58172, frame 336 | Raindance Communications, Inc. | Intercall, Inc. | Merger |
| Nov 20, 2021 Reel 58172, frame 346 | Intercall, Inc. | Open Invention Network LLC | Assignment of Assignor's Interest |
| Dec 9, 2021 Reel 58426, frame 791 | Open Invention Network LLC | International Business Machines Corporation | Assignment of Assignor's Interest |
| Jan 14, 2022 Reel 58736, frame 436 | Open Invention Network LLC | International Business Machines Corporation | Corrective Assignment to Correct the Effective Date of the Patent Assignment Agreement Dated November 30, 2021 Previously Recorded at Reel: 058426 Frame: 0791. Assignor(S) Hereby Confirms the Assignment. |
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 9 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 10,057,075, US 10,778,456, US 11,240,051, US 8,775,511, US 9,037,651, US 9,565,219.
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2023 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.