Lapsed Dec 12, 2025 on the fee record · Medium confidence
20-year base term ends Sep 30, 2030
Why Medium: A terminal disclaimer is on file (approved) with no resolved reference, so the term may end earlier.
Second maintenance fee unpaid; grace period ended.
Held by Cilag GmbH International
Filed Mar 28, 2012 as application 13/433,136 · Granted Dec 12, 2017
Base term, 20 years from filing, plus 1145 days of patent term adjustment (USPTO delay)
Today
Lapsed Dec 12, 2025
2010
2033
Clock starts
Sep 30, 2010
Sep 30, 2010
No longer in force
Dec 12, 2025
Dec 12, 2025
Granted
Dec 12, 2017
Dec 12, 2017
Term would have run to
Nov 18, 2033
Nov 18, 2033
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
1,145
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
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.
107
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 Nov 18, 2033: its 20-year base term plus 1145 days of term adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 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 Sep 30, 2010, when application 12/894,377, the earliest non-provisional in its chain, was filed (this one was filed Mar 28, 2012) | Sep 30, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1145 days, USPTO patent term adjustment record | Nov 18, 2033 | High confidence |
| Terminal disclaimer cap | Disclaimer on file (approved), reference document not resolved | no cap applied, and none guessed | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | lapsed Dec 12, 2025 | High confidence |
| Computed term end | The steps above, in order | Dec 12, 2025 | Medium confidence |
This family
| US 8,393,514 | In force May 2031 | May 2031 |
| US 8,864,009 | Lapsed on the fee record Oct 2026 | Oct 2026 |
| Application PCT/US2011/053542 | PCT application no patent term | no patent term |
| Application 13/433,163 | Abandoned not computed | not computed |
| US 9,220,501 | In force Nov 2032 | Nov 2032 |
| US 10,123,798 | Grace period ended Feb 2033 | Feb 2033 |
| US 9,301,753 | In force Feb 2033 | Feb 2033 |
| US 9,839,420 | this patent Dec 2025 | Dec 2025 |
8 of 107 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 |
|---|---|---|---|
| Jun 14, 2012 Reel 28377, frame 415 | Shelton, Frederick E., IV; Schmid, Katherine J.; Scheib, Charles J.; Aronhalt, Taylor W.; Lang, Matthew M.; Hall, Steven G.; Baxter, Chester O., III | Ethicon Endo-Surgery, Inc. | Assignment of Assignor's Interest |
| Dec 5, 2015 Reel 37219, frame 749 | Ethicon Endo-Surgery Inc. | Ethicon Endo-Surgery, LLC | Assignment of Assignor's Interest |
| Jun 22, 2017 Reel 42941, frame 565 | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Note
A terminal disclaimer is on file and its reference is not resolved. No cap is applied and none is guessed
Note
The 1145 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Open question
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Dec 12, 2025. We will not guess the cap.
Citations
1,987
later US patents cite this one
That is top 1% 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.