Lapsed Dec 10, 2025 on the fee record · High confidence
20-year base term ends Sep 23, 2028
Third maintenance fee unpaid; grace period ended.
Held by Cilag GmbH International
Filed Feb 9, 2012 as application 13/369,588 · Granted Dec 10, 2013
Base term, 20 years from filing
Today
Lapsed Dec 10, 2025
2008
2028
Clock starts
Sep 23, 2008
Sep 23, 2008
No longer in force
Dec 10, 2025
Dec 10, 2025
Granted
Dec 10, 2013
Dec 10, 2013
Term would have run to
Sep 23, 2028
Sep 23, 2028
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
24
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 23, 2028: its 20-year base term, with no 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 Sep 23, 2008, when application 12/235,972, the earliest non-provisional in its chain, was filed (this one was filed Feb 9, 2012) | Sep 23, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High 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 | 2 of 3 maintenance fees paid | lapsed Dec 10, 2025 | High confidence |
| Computed term end | The steps above, in order | Dec 10, 2025 | High confidence |
This family
| US 9,050,083 | In force Oct 2030 | Oct 2030 |
| US 9,028,519 | In force Apr 2029 | Apr 2029 |
| US 9,386,983 | In force Nov 2029 | Nov 2029 |
| US 8,602,288 | this patent Dec 2025 | Dec 2025 |
| Application PCT/US2012/039350 | PCT application no patent term | no patent term |
| US 9,005,230 | In force Jul 2029 | Jul 2029 |
| US 9,655,614 | In force Oct 2030 | Oct 2030 |
| Application PCT/US2014/011627 | PCT application no patent term | no patent term |
8 of 24 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 |
|---|---|---|---|
| Apr 25, 2012 Reel 28103, frame 487 | Shelton, Frederick E., IV; Knight, Gary W. | Ethicon Endo-Surgery, Inc. | Assignment of Assignor's Interest |
| Dec 5, 2015 Reel 37219, frame 81 | Ethicon Endo-Surgery Inc. | Ethicon Endo-Surgery, LLC | Assignment of Assignor's Interest |
| Feb 28, 2017 Reel 41825, frame 651 | Ethicon Endo-Surgery, LLC | Ethicon LLC | Change of Name |
| Apr 27, 2021 Reel 56601, frame 339 | Ethicon LLC | Cilag GmbH International | Assignment of Assignor's 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.
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Alerts on its grants, lapses and transfers.
Citations
2,505
later US patents cite this one
That is top 1% 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.