Term ends May 27, 2031 · High confidence
20-year base term ends Sep 30, 2030
Held by Cilag GmbH International
Filed Sep 30, 2010 as application 12/894,377 · Granted Mar 12, 2013
Base term plus 239 days of patent term adjustment (USPTO delay)
Today
2010
2031
Clock starts
Sep 30, 2010
Sep 30, 2010
Term ends
May 27, 2031
May 27, 2031
Granted
Mar 12, 2013
Mar 12, 2013
base term
patent term adjustment
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
239
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
This patent's term runs 239 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 30, 2010, when this application, 12/894,377, was filed | Sep 30, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +239 days, USPTO patent term adjustment record | May 27, 2031 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 27, 2031 | High confidence |
This family
| US 8,393,514 | this patent 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 | Lapsed on the fee record 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 |
|---|---|---|---|
| Dec 3, 2010 Reel 25444, frame 160 | Shelton, Frederick E., IV; Knight, Gary W.; Baxter, Chester O., III; Avimukta, Kreena B. | 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
May 2031
Term ends May 27, 2031. No further fees fall due before then
Note
The 239 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2,672
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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.