Collateral for a security interest recorded Feb 8, 2023 (Silicon Valley Bank).
Term ends Feb 10, 2040 · High confidence
20-year base term ends Jan 9, 2039
Held by Eight Sleep Inc.
Filed Jul 7, 2020 as application 16/922,368 · Granted Jun 6, 2023
Base term plus 397 days of patent term adjustment (USPTO delay)
Today
2019
2040
Clock starts
Jan 9, 2019
Jan 9, 2019
Term ends
Feb 10, 2040
Feb 10, 2040
Granted
Jun 6, 2023
Jun 6, 2023
base term
patent term adjustment
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
397
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
4
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 397 days past its 20-year base term on prosecution delay. 0 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 Jan 9, 2019, when application PCT/US2019/012831, the earliest non-provisional in its chain, was filed (this one was filed Jul 7, 2020) | Jan 9, 2039 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +397 days, USPTO patent term adjustment record | Feb 10, 2040 | 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 | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 10, 2040 | High confidence |
This family
| Application PCT/US2019/012831 | PCT application no patent term | no patent term |
| US 11,666,284 | this patent Feb 2040 | Feb 2040 |
| US 12,274,564 | In force no later than Jan 2039 | no later than Jan 2039 |
| Application 19/076,398 | Pending not computed | not computed |
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 11, 2020 Reel 53743, frame 407 | Franceschetti, Matteo; Bassi, Massimo Andreasi | Eight Sleep Inc. | Assignment of Assignor's Interest |
| Feb 8, 2023 Reel 62681, frame 741 | Eight Sleep Inc. | Silicon Valley Bank | Amended and Restated Intellectual Property Security Agreement |
| Apr 20, 2023 Reel 63397, frame 969 | Franceschetti, Matteo; Bassi, Massimo Andreasi | Eight Sleep Inc. | Corrective Assignment to Correct the Assignee Name to Remove the Comma Previously Recorded at Reel: 053743 Frame: 0407. Assignor(S) Hereby Confirms the Assignment. |
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
Feb 2040
Term ends Feb 10, 2040. Maintenance fees still fall due before then
Note
The 397 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
20
later US patents cite this one
That is top 5% of utility patents granted in 2023 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.