Collateral for a security interest recorded Sep 6, 2023 (Bank of America, N.A.).
Term ends Apr 22, 2040 · High confidence
20-year base term ends Jul 28, 2040
Held by Bandwidth, Inc.
Filed Jul 28, 2020 as application 16/940,473 · Granted Dec 8, 2020
Base term, 20 years from filing · capped by a resolved terminal disclaimer
Today
2020
2040
Clock starts
Jul 28, 2020
Jul 28, 2020
Term ends
Apr 22, 2040
Apr 22, 2040
Granted
Dec 8, 2020
Dec 8, 2020
base term
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
None
Term adjustment
No prosecution delay on this record.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,728,719.
1 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.
6
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 resolved from the filed document caps it earlier. 1 of 3 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 Jul 28, 2020, when this application, 16/940,473, was filed | Jul 28, 2040 | 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 10,728,719) | capped to Apr 22, 2040 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 22, 2040 | High confidence |
This family
| US 10,735,398 | In force Feb 2040 | Feb 2040 |
| US 10,728,719 | In force Apr 2040 | Apr 2040 |
| US 10,939,256 | In force Jul 2040 | Jul 2040 |
| US 10,805,462 | In force Jul 2040 | Jul 2040 |
| US 10,863,323 | this patent Apr 2040 | Apr 2040 |
| US 11,050,878 | In force Mar 2041 | Mar 2041 |
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 |
|---|---|---|---|
| Jul 28, 2020 Reel 53325, frame 392 | Zaidi, Syed Mohsin Reza; Bevier, Alan; Howard, Jeremy; Turner, Bryan | Bandwidth, Inc. | Assignment of Assignor's Interest |
| Jun 6, 2022 Reel 60112, frame 638 | Bandwidth Inc. | Silicon Valley Bank, as Administrative Agent and Collateral Agent | Security Interest |
| Mar 15, 2023 Reel 62993, frame 767 | Silicon Valley Bridge Bank, N.A. (Successor to Silicon Valley Bank), as Agent | Bandwidth Inc. | Release of Security Interest |
| Sep 6, 2023 Reel 64807, frame 346 | Bandwidth Inc. | Bank of America, N.A., as Administrative Agent | Security 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
Apr 2040
Term ends Apr 22, 2040. Maintenance fees still fall due before then
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 10,728,719.
Citations
1
later US patent cites this one
That is below 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.