Term ended Nov 12, 2026 · High confidence
20-year base term ended Apr 1, 2024
Held by Sonos, Inc.
Filed Apr 17, 2013 as application 13/864,250 · Granted Dec 4, 2018
Base term plus 955 days of patent term adjustment (USPTO delay)
Today
Term ended Nov 12, 2026
2004
2026
Clock starts
Apr 1, 2004
Apr 1, 2004
Term ended
Nov 12, 2026
Nov 12, 2026
Granted
Dec 4, 2018
Dec 4, 2018
base term
patent term adjustment
after the term ends
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
955
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 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
110
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 955 days past its 20-year base term on prosecution delay. 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 Apr 1, 2004, when application 10/816,217, the earliest non-provisional in its chain, was filed (this one was filed Apr 17, 2013) | Apr 1, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +955 days, USPTO patent term adjustment record | Nov 12, 2026 | 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 1 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Nov 12, 2026 | High confidence |
This family
| US 8,234,395 | Term ended Mar 2026 | Mar 2026 |
| US 7,571,014 | In force Mar 2027 | Mar 2027 |
| Application PCT/US2004/023102 | PCT application no patent term | no patent term |
| Application 11/278,473 | Abandoned not computed | not computed |
| US 8,020,023 | In force Mar 2027 | Mar 2027 |
| US 8,086,752 | Lapsed on the fee record Dec 2023 | Dec 2023 |
| US 8,290,603 | Lapsed on the fee record Oct 2024 | Oct 2024 |
| US 8,370,678 | Term ended Apr 2024 | Apr 2024 |
8 of 110 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 |
|---|---|---|---|
| May 9, 2013 Reel 30384, frame 675 | Millington, Nicholas A.j. | Rincon Networks, Inc. | Assignment of Assignor's Interest |
| May 30, 2013 Reel 30518, frame 778 | Rincon Networks, Inc. | Sonos, Inc. | Change of Name |
| Apr 1, 2016 Reel 38329, frame 253 | Sonos, Inc. | Gordon Brothers Finance Company | Security Interest |
| Jul 25, 2018 Reel 46625, frame 882 | Gordon Brothers Finance Company | Sonos, Inc. | Release of Security Interest |
| Aug 30, 2018 Reel 46991, frame 433 | Sonos, Inc. | Jpmorgan Chase Bank, N.a. | Security Interest |
| Oct 15, 2021 Reel 58123, frame 206 | Sonos, Inc. | Jpmorgan Chase Bank, N.a. | Security Agreement |
| Oct 18, 2021 Reel 58213, frame 597 | Jpmorgan Chase Bank, N.a. | Sonos, Inc. | Release of 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
Note
The 955 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites this one
That is below the median 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.