Lapsed Jun 9, 2013 on the fee record · High confidence
20-year base term ended Feb 26, 2022
First maintenance fee unpaid; grace period ended.
Held by OptiNose Inc.
Filed Mar 29, 2004 as application 10/469,105 · Granted Jun 9, 2009
Base term, 20 years from filing, plus 576 days of patent term adjustment (USPTO delay)
Today
Lapsed Jun 9, 2013
2002
2026
Clock starts
Feb 26, 2002
Feb 26, 2002
No longer in force
Jun 9, 2013
Jun 9, 2013
Granted
Jun 9, 2009
Jun 9, 2009
Term would have run to
Sep 25, 2023
Sep 25, 2023
base term
patent term adjustment
after the term ends
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
576
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.
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 Sep 25, 2023: its 20-year base term plus 576 days of term adjustment for 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 Feb 26, 2002, when application PCT/IB2002/001521, the earliest non-provisional in its chain, was filed (this one was filed Mar 29, 2004) | Feb 26, 2022 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +576 days, USPTO patent term adjustment record | Sep 25, 2023 | 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 | lapsed Jun 9, 2013 | High confidence |
| Computed term end | The steps above, in order | Jun 9, 2013 | High confidence |
This family
| US 7,377,901 | Term ended Sep 2021 | Sep 2021 |
| US 8,596,278 | Lapsed on the fee record 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 | this patent 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 |
|---|---|---|---|
| Mar 22, 2004 Reel 14449, frame 623 | Djupesland, Per Gisle | OptiNose As | Assignment of Assignor's Interest |
| Apr 20, 2010 Reel 24258, frame 687 | OptiNose As | OptiNose As | Change of Address |
| 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 7, 2025 Reel 69832, frame 515 | 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 |
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 576 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
163
later US patents cite this one
That is top 5% of utility patents granted in 2009 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.