Term ends Nov 27, 2026 · High confidence
20-year base term ends Nov 27, 2026
Held by ConvaTec Technologies Inc.
Filed Nov 27, 2006 as application 11/563,462 · Granted Jul 10, 2012
Base term, 20 years from filing
Today
2006
2026
Clock starts
Nov 27, 2006
Nov 27, 2006
Term ends
Nov 27, 2026
Nov 27, 2026
Granted
Jul 10, 2012
Jul 10, 2012
base term
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.
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.
This patent's term is its 20-year base term, with no adjustment for 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 Nov 27, 2006, when this application, 11/563,462, was filed | Nov 27, 2026 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 27, 2026 | High confidence |
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 12, 2008 Reel 21371, frame 796 | ConvaTec Inc. | J.P. Morgan Europe Limited | Security Agreement |
| Oct 29, 2008 Reel 21754, frame 611 | Bristol-Myers Squibb Company; ConvaTec, Inc. | ConvaTec Technologies Inc. | Assignment of Assignor's Interest |
| Nov 28, 2008 Reel 21890, frame 786 | J.P. Morgan Europe Limited | ConvaTec Inc. | Release of Security Interest |
| Dec 1, 2008 Reel 21901, frame 419 | ConvaTec Technologies Inc. | J.P. Morgan Europe Limited | Security Agreement |
| Jan 4, 2011 Reel 25580, frame 879 | J.P. Morgan Europe Limited | ConvaTec Technologies, Inc. | Release of Security Interest at 021901/0419 |
| Jan 6, 2011 Reel 25591, frame 856 | ConvaTec Technologies, Inc. | JPMorgan Chase Bank, N.A., as Collateral Agent | Security Agreement |
| Nov 2, 2016 Reel 40543, frame 357 | Jpmorgan Chase Bank, N.a. | ConvaTec Technologies, Inc.; ConvaTec Limited; Unomedical Limited; Unomedical A/S | Release of Security Interest |
| Nov 2, 2016 reel/frame not recorded | Jpmorgan Chase Bank, N.a. | ConvaTec Technologies, Inc. | Release of Security Interest |
| Nov 2, 2016 reel/frame not recorded | Jpmorgan Chase Bank, N.a. | ConvaTec Limited | Release of Security Interest |
| Nov 2, 2016 reel/frame not recorded | Jpmorgan Chase Bank, N.a. | Unomedical Limited | Release of Security Interest |
| Nov 2, 2016 reel/frame not recorded | Jpmorgan Chase Bank, N.a. | Unomedical A/S | Release of Security Interest |
| Nov 3, 2016 Reel 40552, frame 227 | ConvaTec Inc.; ConvaTec Technologies Inc.; 180 Medical, Inc.; PRN Medical Services, LLC | Wilmington Trust (London) Limited, as Collateral Agent | Security Agreement |
| Oct 25, 2019 Reel 50831, frame 1 | Wilmington Trust (London) Limited | ConvaTec Technologies Inc. | Release of Security 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.
What's changing
Nov 2026
Term ends Nov 27, 2026. No further fees fall due before then
Citations
43
later US patents cite this one
That is top 25% of utility patents granted in 2012 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.