Lapsed Dec 3, 2025 on the fee record · Medium confidence
20-year base term ended Nov 15, 2020
Why Medium: A parent in the chain could not be resolved.
Third maintenance fee unpaid; grace period ended.
Held by OptiNose Inc.
Filed Feb 6, 2004 as application 10/469,106 · Granted Dec 3, 2013
Base term plus 2197 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Lapsed Dec 3, 2025
2000
2026
Clock starts
Nov 15, 2000
Nov 15, 2000
Term ended
Dec 3, 2025
Dec 3, 2025
Granted
Dec 3, 2013
Dec 3, 2013
base term
patent term adjustment
after the term ends
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
2,197
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 8,146,589.
2 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.
127
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Dec 4, 2024: its 20-year base term plus 2197 days of term adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Nov 15, 2000, when application 09/700,532, the earliest non-provisional in its chain, was filed (this one was filed Feb 6, 2004); a parent in its chain could not be resolved (the next row) | Nov 15, 2020 | 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 | +2197 days, USPTO patent term adjustment record | Nov 21, 2026 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,146,589) | capped to Dec 4, 2024 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | lapsed Dec 3, 2025 | High confidence |
| Computed term end | The steps above, in order | Dec 3, 2025 | Medium confidence |
This family
| US 7,377,901 | Term ended Sep 2021 | Sep 2021 |
| US 8,596,278 | this patent Dec 2025 | Dec 2025 |
| US 7,740,014 | Term ended Mar 2024 | Mar 2024 |
| US 7,347,201 | Term ended Jun 2021 | Jun 2021 |
| US 7,543,581 | Lapsed on the fee record Jun 2013 | Jun 2013 |
| US 8,327,844 | Term ended Oct 2023 | Oct 2023 |
| US 7,975,690 | Term ended Dec 2025 | Dec 2025 |
| US 7,841,337 | Term ended no later than Apr 2022 | no later than Apr 2022 |
8 of 127 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 |
|---|---|---|---|
| Feb 4, 2004 Reel 14307, frame 276 | Djupesland, Per Gisle | OptiNose As | Assignment of Assignor's Interest |
| Apr 20, 2010 Reel 24258, frame 687 | OptiNose As | OptiNose As | Change of Address |
| Dec 29, 2017 Reel 44976, frame 505 | OptiNose As | Athyrium Opportunities III Acquisition LP | Security Interest |
| Sep 13, 2019 Reel 50371, frame 894 | Athyrium Opportunities III Acquisition LP | OptiNose As | Release of Security Agreement Recorded at Reel 044976 Frame 0505 |
| Sep 13, 2019 Reel 50371, frame 913 | OptiNose As | Biopharma Credit PLC, as Collateral Agent | Security Interest |
| Sep 27, 2022 Reel 61546, frame 424 | OptiNose As | OptiNose Inc. | Assignment of Assignor's Interest |
| Jan 6, 2025 Reel 69825, frame 813 | OptiNose, Inc. | OptiNose, Inc. | Change of Address |
| May 21, 2025 Reel 71547, frame 979 | Biopharma Credit PLC, as Collateral Agent | OptiNose Inc. | Release of Security Interest |
| May 22, 2025 Reel 71337, frame 132 | OptiNose, Inc. | Oaktree Fund Administration, LLC | Security Interest |
| 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 2197 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 8,146,589.
Citations
164
later US patents cite this one
That is top 5% of utility patents granted in 2013 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.