Collateral for a security interest recorded Dec 17, 2025 (Citizens Bank, N.A.).
Term ends May 8, 2035 · High confidence
20-year base term ends May 8, 2035
Held by Ooma, Inc.
Filed Oct 12, 2016 as application 15/292,022 · Granted Apr 16, 2019
Base term plus 120 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2015
2035
Clock starts
May 8, 2015
May 8, 2015
Term ends
May 8, 2035
May 8, 2035
Granted
Apr 16, 2019
Apr 16, 2019
base term
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
120
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 9,521,069.
2 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.
13
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 120 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 2 of 3 maintenance fees are 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 8, 2015, when application 14/708,132, the earliest non-provisional in its chain, was filed (this one was filed Oct 12, 2016) | May 8, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +120 days, USPTO patent term adjustment record | Sep 5, 2035 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,521,069) | capped to May 8, 2035 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 8, 2035 | High confidence |
This family
| US 9,521,069 | In force May 2035 | May 2035 |
| Application PCT/US2016/030597 | PCT application no patent term | no patent term |
| US 10,009,286 | In force Jul 2035 | Jul 2035 |
| US 9,787,611 | In force May 2035 | May 2035 |
| US 9,929,981 | In force May 2035 | May 2035 |
| US 10,158,584 | In force May 2035 | May 2035 |
| US 10,263,918 | this patent May 2035 | May 2035 |
| Application PCT/US2017/048284 | PCT application no patent term | no patent term |
8 of 13 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 |
|---|---|---|---|
| Sep 28, 2017 Reel 43722, frame 274 | Gillon, William M.; Lei, Hai; Farrand, Tobin E.; Bryan, David A. | 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
May 2035
Term ends May 8, 2035. Maintenance fees still fall due before then
Note
The 120 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 9,521,069.
Citations
49
later US patents cite this one
That is top 5% of utility patents granted in 2019 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.