Collateral for a security interest recorded Mar 16, 2026 (Wilmington Trust, National Association).
Term ends Feb 23, 2036 · High confidence
20-year base term ends Mar 26, 2034
Held by OptiNose Inc.
Filed Dec 12, 2022 as application 18/079,334 · Granted May 5, 2026
Base term plus 704 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2014
2036
Clock starts
Mar 26, 2014
Mar 26, 2014
Term ends
Feb 23, 2036
Feb 23, 2036
Granted
May 5, 2026
May 5, 2026
base term
patent term adjustment
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
704
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 11,554,229.
0 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
6
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 704 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 0 of 2 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 Mar 26, 2014, when application 14/226,287, the earliest non-provisional in its chain, was filed (this one was filed Dec 12, 2022) | Mar 26, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +704 days, USPTO patent term adjustment record | Feb 28, 2036 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 11,554,229) | capped to Feb 23, 2036 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 23, 2036 | High confidence |
This family
| Application 14/226,287 | Abandoned not computed | not computed |
| US 11,554,229 | In force Feb 2036 | Feb 2036 |
| Application 15/200,884 | Abandoned not computed | not computed |
| US 12,616,806 | this patent Feb 2036 | Feb 2036 |
| Application 19/268,638 | Abandoned not computed | not computed |
| Application 19/640,922 | 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 |
|---|---|---|---|
| Dec 12, 2022 Reel 62058, frame 435 | Djupesland, Per Gisle; Mahmoud, Ramy A; Messina, John | OptiNose As | Assignment of Assignor's Interest |
| Jan 8, 2025 Reel 69848, frame 656 | OptiNose, Inc. | OptiNose, Inc. | Change of Address |
| May 22, 2025 Reel 71337, frame 132 | OptiNose, Inc. | Oaktree Fund Administration, LLC | Security Interest |
| Feb 25, 2026 Reel 74976, frame 871 | OptiNose As | OptiNose Inc. | Assignment of Assignor's Interest |
| Mar 16, 2026 Reel 75111, frame 18 | OptiNose, Inc. | Wilmington Trust, National Association, as Administrative Agent | Patent Security Agreement |
| Mar 17, 2026 Reel 75101, frame 804 | Oaktree Fund Administration, LLC | OptiNose, Inc. | Release of Security Interest in Patents Recorded at Reel/Frame 71337/0132 |
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 2036
Term ends Feb 23, 2036. Maintenance fees still fall due before then
Note
The 704 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 11,554,229.
Citations
We have no citation count for this patent yet. That is not the same as never having been cited.
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.