Term ends Aug 8, 2039 · Medium confidence
20-year base term ends Aug 8, 2039
Why Medium: A parent in the chain could not be resolved.
Held by Stryker Corporation
Filed Jul 14, 2022 as application 17/865,315 · Granted May 9, 2023
Base term, 20 years from filing
Today
2019
2039
Clock starts
Aug 8, 2019
Aug 8, 2019
Term ends
Aug 8, 2039
Aug 8, 2039
Granted
May 9, 2023
May 9, 2023
base term
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
22
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. 1 of 3 maintenance fees is 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 Aug 8, 2019, when application 16/536,185, the earliest non-provisional in its chain, was filed (this one was filed Jul 14, 2022); a parent in its chain could not be resolved (the next row) | Aug 8, 2039 | 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 8, 2039 | Medium confidence |
This family
| US 11,559,382 | In force Feb 2040 | Feb 2040 |
| US 11,554,005 | In force Aug 2039 | Aug 2039 |
| US 11,642,209 | this patent Aug 2039 | Aug 2039 |
| US 11,969,331 | In force Aug 2039 | Aug 2039 |
| US 11,986,382 | In force Aug 2039 | Aug 2039 |
| US 11,744,691 | In force Aug 2039 | Aug 2039 |
| US 11,969,332 | In force Aug 2039 | Aug 2039 |
| US 11,969,333 | In force Aug 2039 | Aug 2039 |
8 of 22 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 |
|---|---|---|---|
| Sep 19, 2022 Reel 61138, frame 581 | Merritt, Ben; Macias, Jacqueline; Strauss, Brian Michael | Inari Medical, Inc. | Assignment of Assignor's Interest |
| Sep 19, 2022 Reel 61138, frame 784 | Tu, Thomas | Inari Medical, Inc. | Assignment of Assignor's Interest |
| Apr 29, 2026 Reel 75486, frame 805 | Inari Medical, Inc. | Stryker Corporation | Nunc Pro Tunc 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
Aug 2039
Term ends Aug 8, 2039. Maintenance fees still fall due before then
Citations
65
later US patents cite this one
That is top 1% 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.