Term ends Oct 7, 2031 · Medium confidence
20-year base term ends Dec 17, 2030
Why Medium: A parent in the chain could not be resolved.
Held by Coloplast A/S
Filed Nov 3, 2011 as application 13/288,369 · Granted Mar 31, 2015
Base term plus 294 days of patent term adjustment (USPTO delay)
Today
2010
2031
Clock starts
Dec 17, 2010
Dec 17, 2010
Term ends
Oct 7, 2031
Oct 7, 2031
Granted
Mar 31, 2015
Mar 31, 2015
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
294
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.
23
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 294 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Dec 17, 2010, when application 12/971,451, the earliest non-provisional in its chain, was filed (this one was filed Nov 3, 2011); a parent in its chain could not be resolved (the next row) | Dec 17, 2030 | 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 | +294 days, USPTO patent term adjustment record | Oct 7, 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 | Oct 7, 2031 | Medium confidence |
This family
| US 8,500,821 | Lapsed on the fee record Aug 2025 | Aug 2025 |
| US 7,932,343 | In force Aug 2029 | Aug 2029 |
| US 8,029,557 | Lapsed on the fee record Oct 2023 | Oct 2023 |
| US 8,876,800 | In force Apr 2031 | Apr 2031 |
| US 8,772,429 | Lapsed on the fee record Jul 2026 | Jul 2026 |
| US 8,536,293 | Lapsed on the fee record Sep 2025 | Sep 2025 |
| US 8,992,410 | this patent Oct 2031 | Oct 2031 |
| US 8,673,020 | Lapsed on the fee record Mar 2026 | Mar 2026 |
8 of 23 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 |
|---|---|---|---|
| Nov 17, 2011 Reel 27242, frame 921 | Behan, Niall | Vysera Biomedical Limited | Assignment of Assignor's Interest |
| Mar 8, 2016 Reel 37917, frame 992 | Vysera Biomedical Limited | Coloplast A/S | Assignment of Assignor's Interest |
| Mar 10, 2016 Reel 38053, frame 797 | Vysera Biomedical Limited | Coloplast A/S | Corrective Assignment to Correct the City of the Assignee Previously Recorded on Reel 037917 Frame 0992. Assignor(S) Hereby Confirms the Assignment. |
| Mar 17, 2016 Reel 38131, frame 12 | Vysera Biomedical Limited | Coloplast A/S | Corrective Assignment to Correct the City of the Assignee from Humelbaek to Humlebaek as Correctly Indicated on the Assignment Previously Recorded on Reel 037917 Frame 0992. Assignor(S) Hereby Confirms the Assignee's City to Be Humlebaek. |
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
Oct 2031
Term ends Oct 7, 2031. No further fees fall due before then
Note
The 294 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
9
later US patents cite this one
That is above the median of utility patents granted in 2015 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.