Collateral for a security interest recorded Nov 4, 2022 (Second Avenue Capital Partners LLC).
Term ends Apr 17, 2035 · Medium confidence
20-year base term ends Apr 17, 2035
Why Medium: A parent in the chain could not be resolved.
Held by Casper Sleep Inc.
Filed Dec 3, 2021 as application 17/457,437 · Granted Apr 11, 2023
Base term, 20 years from filing
Today
2015
2035
Clock starts
Apr 17, 2015
Apr 17, 2015
Term ends
Apr 17, 2035
Apr 17, 2035
Granted
Apr 11, 2023
Apr 11, 2023
base term
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.
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.
7
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. 0 of 3 maintenance fees are paid so far. Confidence: Medium. 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 17, 2015, when application 14/689,945, the earliest non-provisional in its chain, was filed (this one was filed Dec 3, 2021); a parent in its chain could not be resolved (the next row) | Apr 17, 2035 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | None on file | no change | 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 | Apr 17, 2035 | Medium confidence |
This family
| US 9,888,785 | In force Dec 2035 | Dec 2035 |
| Application PCT/US2015/026564 | PCT application no patent term | no patent term |
| US 9,661,934 | Lapsed on the fee record May 2025 | May 2025 |
| US 9,962,009 | Lapsed on the fee record May 2026 | May 2026 |
| Application 15/482,777 | Abandoned not computed | not computed |
| US 11,202,517 | Lapsed on the fee record Dec 2025 | Dec 2025 |
| US 11,622,636 | this patent Apr 2035 | Apr 2035 |
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 |
|---|---|---|---|
| Dec 3, 2021 Reel 58276, frame 364 | Krim, Philip; Parikh, Neil; Chapin, Jeff | Casper Sleep Inc. | Assignment of Assignor's Interest |
| Nov 4, 2022 Reel 61658, frame 685 | Casper Sleep Inc. | Second Avenue Capital Partners LLC | Security Interest |
| Oct 31, 2023 Reel 65399, frame 633 | Casper Sleep Inc. | Acquiom Agency Services LLC, as Agent | Security Interest |
| Dec 15, 2023 Reel 65885, frame 438 | Casper Sleep Inc. | Cumulus Capital LLC | Security Interest |
| Dec 15, 2023 Reel 66029, frame 913 | Casper Sleep Inc.; Second Avenue Capital Partners LLC | Tiger Finance, LLC | Assignment of Intellectual Property Security Agreement |
| Dec 15, 2023 Reel 66034, frame 963 | Acquiom Agency Services LLC, as the Agent | Casper Sleep Inc. | Release of Security Interest |
| Mar 27, 2024 Reel 66913, frame 371 | Cumulus Capital LLC | Acquiom Agency Services LLC | Assignment of Intellectual Property Security Agreement |
| Nov 7, 2024 Reel 69177, frame 174 | Acquiom Agency Services LLC | Casper Sleep Inc. | Release of Security Interest |
| Nov 7, 2024 Reel 69177, frame 210 | Tiger Finance, LLC | Casper Sleep 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
Apr 2035
Term ends Apr 17, 2035.
Citations
0
later US patents cite this one
That is below the median 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.