Lapsed Nov 14, 2025 on the fee record · High confidence
20-year base term ends Sep 29, 2030
Second maintenance fee unpaid; grace period ended.
Held by Stryker Corporation
Filed Aug 7, 2015 as application 14/820,965 · Granted Nov 14, 2017
Base term, 20 years from filing, plus 204 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Lapsed Nov 14, 2025
2010
2030
Clock starts
Sep 29, 2010
Sep 29, 2010
No longer in force
Nov 14, 2025
Nov 14, 2025
Granted
Nov 14, 2017
Nov 14, 2017
Term would have run to
Sep 29, 2030
Sep 29, 2030
base term
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
204
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 9,101,679, US 9,480,763, US 9,901,679.
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.
11
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 29, 2030: its 20-year base term plus 204 days of term adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Sep 29, 2010, when application 12/893,742, the earliest non-provisional in its chain, was filed (this one was filed Aug 7, 2015) | Sep 29, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +204 days, USPTO patent term adjustment record | Apr 21, 2031 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,101,679, US 9,480,763, US 9,901,679) | capped to Sep 29, 2030 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | lapsed Nov 14, 2025 | High confidence |
| Computed term end | The steps above, in order | Nov 14, 2025 | High confidence |
This family
| US 9,101,679 | In force Sep 2030 | Sep 2030 |
| US 9,480,763 | Lapsed on the fee record Nov 2024 | Nov 2024 |
| US 9,474,815 | Lapsed on the fee record Oct 2024 | Oct 2024 |
| US 9,402,928 | In force Apr 2032 | Apr 2032 |
| US 9,480,764 | Lapsed on the fee record Nov 2024 | Nov 2024 |
| US 9,480,765 | Lapsed on the fee record Nov 2024 | Nov 2024 |
| US 9,427,485 | In force Apr 2032 | Apr 2032 |
| US 9,814,795 | this patent Nov 2025 | Nov 2025 |
8 of 11 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 |
|---|---|---|---|
| Aug 13, 2015 Reel 36318, frame 940 | Dufresne, Sylvie; Vallieres, Jean-martin; Tremblay, Bruno | TS03 Inc. | Assignment of Assignor's Interest |
| May 2, 2022 Reel 59840, frame 81 | TSO3, Inc. | Stryker Corporation | Nunc Pro Tunc Assignment |
| Dec 18, 2024 Reel 69737, frame 184 | Stryker Corporation | Stryker Corporation | Change of Address |
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 204 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 9,101,679, US 9,480,763, US 9,901,679.
Citations
15
later US patents cite this one
That is top 25% of utility patents granted in 2017 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.