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 15/292,051 · Granted Mar 27, 2018
Base term, 20 years from filing
Today
2015
2035
Clock starts
May 8, 2015
May 8, 2015
Term ends
May 8, 2035
May 8, 2035
Granted
Mar 27, 2018
Mar 27, 2018
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 9,521,069, to May 8, 2035. The term already ends on or before that date, so the cap shortened nothing.
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 is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,521,069) | resolves to May 8, 2035, no earlier than this term, so no change | 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 | this patent May 2035 | May 2035 |
| US 10,158,584 | In force May 2035 | May 2035 |
| US 10,263,918 | In force 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 |
| Oct 18, 2023 Reel 65264, frame 608 | 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
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 9,521,069, ends no earlier than this term, so it caps nothing.
Citations
56
later US patents cite this one
That is top 5% of utility patents granted in 2018 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.