Term ends Nov 21, 2027 · High confidence
20-year base term ends Feb 6, 2027
Filed Aug 25, 2016 as application 15/247,566 · Granted Jun 4, 2019
Base term plus 288 days of patent term adjustment (USPTO delay)
Today
2007
2027
Clock starts
Feb 6, 2007
Feb 6, 2007
Term ends
Nov 21, 2027
Nov 21, 2027
Granted
Jun 4, 2019
Jun 4, 2019
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
288
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
10
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 288 days past its 20-year base term on prosecution delay. 1 of 2 maintenance fees is paid so far. 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 Feb 6, 2007, when application 11/702,822, the earliest non-provisional in its chain, was filed (this one was filed Aug 25, 2016) | Feb 6, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +288 days, USPTO patent term adjustment record | Nov 21, 2027 | 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 | 1 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 21, 2027 | High confidence |
This family
| Application PCT/US2007/003065 | PCT application no patent term | no patent term |
| US 7,651,484 | In force Apr 2027 | Apr 2027 |
| US 8,235,939 | In force Nov 2030 | Nov 2030 |
| Application PCT/US2007/006648 | PCT application no patent term | no patent term |
| US 8,308,703 | In force Oct 2027 | Oct 2027 |
| US 8,951,236 | In force Sep 2027 | Sep 2027 |
| US 9,452,246 | In force no later than Feb 2027 | no later than Feb 2027 |
| US 10,307,518 | this patent Nov 2027 | Nov 2027 |
8 of 10 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 |
|---|---|---|---|
| Sep 1, 2016 Reel 39611, frame 963 | Heaton, Keith Patrick; Robinson, Timothy Mark; Locke, Christopher Brian | KCI Licensing, Inc. | Assignment of Assignor's Interest |
| Sep 21, 2016 Reel 40098, frame 268 | KCI USA, Inc.; Lifecell Corporation; KCI Licensing, Inc. | Wilmington Trust, National Association, as Collateral Agent | Second Lien Security Agreement |
| Oct 7, 2016 Reel 40291, frame 237 | KCI USA, Inc.; Lifecell Corporation; KCI Licensing, Inc. | Wilmington Trust, National Association, as Collateral Agent | Limited Third Lien Intellectual Property Security Agreement |
| Feb 8, 2017 Reel 41666, frame 320 | Wilmington Trust | KCI USA, Inc. | Release of Security Interest Reel/Frame 040098/0268 |
| Nov 7, 2019 Reel 50966, frame 547 | Wilmington Trust, National Association | KCI USA, Inc.; KCI Licensing, Inc. | Release of Security Interest in Patents |
| Nov 7, 2019 reel/frame not recorded | Wilmington Trust, National Association | KCI USA, Inc. | Release of Security Interest in Patents |
| Nov 7, 2019 reel/frame not recorded | Wilmington Trust, National Association | KCI Licensing, Inc. | Release of Security Interest in Patents |
| Aug 31, 2023 Reel 64790, frame 85 | KCI Licensing, Inc. | 3M Innovative Properties Company | Assignment of Assignor's Interest |
| Feb 1, 2024 Reel 66430, frame 333 | 3M Innovative Properties Company | Solventum Intellectual Properties Company | 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
Nov 2027
Term ends Nov 21, 2027. Maintenance fees still fall due before then
Note
The 288 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
5
later US patents cite this one
That is above the median of utility patents granted in 2019 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.