Collateral for a security interest recorded Dec 17, 2025 (Citizens Bank, N.A.).
Term ends Sep 11, 2034 · High confidence
20-year base term ends May 20, 2034
Held by Ooma, Inc.
Filed Apr 22, 2020 as application 16/855,948 · Granted Feb 15, 2022
Base term plus 114 days of patent term adjustment (USPTO delay)
Today
2014
2034
Clock starts
May 20, 2014
May 20, 2014
Term ends
Sep 11, 2034
Sep 11, 2034
Granted
Feb 15, 2022
Feb 15, 2022
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
114
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 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.
10
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 114 days past its 20-year base term on prosecution delay. 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 May 20, 2014, when application 14/283,132, the earliest non-provisional in its chain, was filed (this one was filed Apr 22, 2020) | May 20, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +114 days, USPTO patent term adjustment record | Sep 11, 2034 | 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 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 11, 2034 | High confidence |
This family
| US 9,633,547 | In force May 2034 | May 2034 |
| Application PCT/US2015/029109 | PCT application no patent term | no patent term |
| US 10,255,792 | In force May 2034 | May 2034 |
| US 10,769,931 | In force May 2034 | May 2034 |
| US 10,818,158 | In force May 2034 | May 2034 |
| US 11,094,185 | In force May 2034 | May 2034 |
| US 11,151,862 | In force May 2034 | May 2034 |
| US 11,250,687 | this patent Sep 2034 | Sep 2034 |
8 of 10 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Apr 29, 2020 Reel 52529, frame 751 | Krein, William T.; Bryan, David A.; Vasudev, Arvind | Ooma, Inc. | Assignment of Assignor's Interest |
| Jan 11, 2021 Reel 54959, frame 756 | Ooma, Inc. | Keybank National Association | Intellectual Property Security Agreement |
| Jun 9, 2023 Reel 63910, frame 866 | Keybank National Association, As Administrative Agent | Ooma, Inc. | Release of Security Interest |
| Dec 17, 2025 Reel 74304, frame 257 | Ooma, Inc.; Fluentstream Technologies, LLC | Citizens Bank, N.a. | 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
Sep 2034
Term ends Sep 11, 2034. Maintenance fees still fall due before then
Note
The 114 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
18
later US patents cite this one
That is top 5% of utility patents granted in 2022 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.