Also listed on KCI USA, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Nov 25, 2029 · Medium confidence
20-year base term ends Nov 25, 2029
Why Medium: A parent in the chain could not be resolved.
Held by KCI Licensing, Inc.
Filed Feb 17, 2011 as application 13/030,042 · Granted Jan 22, 2019
Base term, 20 years from filing
Today
2009
2029
Clock starts
Nov 25, 2009
Nov 25, 2009
Term ends
Nov 25, 2029
Nov 25, 2029
Granted
Jan 22, 2019
Jan 22, 2019
base term
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
None
Term adjustment
No prosecution delay on this record.
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.
5
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 is its 20-year base term, with no adjustment for prosecution delay. 1 of 2 maintenance fees is paid so far. 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 Nov 25, 2009, when application 12/626,426, the earliest non-provisional in its chain, was filed (this one was filed Feb 17, 2011); a parent in its chain could not be resolved (the next row) | Nov 25, 2029 | 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 | 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 | 1 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 25, 2029 | Medium confidence |
This family
| Application 12/626,426 | Abandoned not computed | not computed |
| Application 12/646,856 | Abandoned not computed | not computed |
| US 10,182,947 | this patent Nov 2029 | Nov 2029 |
| US 11,446,184 | Lapsed on the fee record Sep 2026 | Sep 2026 |
| Application 17/472,089 | Abandoned not computed | not computed |
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 |
|---|---|---|---|
| Mar 28, 2011 Reel 26035, frame 59 | Hu, Dean; Fong, Kenton; Pinto, Moshe; Hui, Philip; Wu, Kenneth; McGreevy, Craig; Anderson, Evan | Spiracur Inc. | Corrective Assignment to Correct the Application Number Previously Recorded on Reel 025890 Frame 0478. Assignor(S) Hereby Confirms the Assignment. |
| Oct 30, 2014 Reel 34076, frame 87 | Spiracur Inc., as Grantor | General Electric Capital Corporation, as Agent | Security Interest |
| Nov 14, 2015 Reel 37111, frame 836 | General Electric Capital Corporation, as Retiring Agent | Healthcare Financial Solutions, LLC, as Successor Agent | Assignment of Intellectual Property Security Agreement |
| Dec 1, 2015 Reel 37179, frame 541 | Healthcare Financial Solutions, LLC | Spiracur Inc. | Release of Security Interest |
| Dec 21, 2015 Reel 37355, frame 210 | Spiracur Inc. | 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 |
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.
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Alerts on its grants, lapses and transfers.
What's changing
Nov 2029
Term ends Nov 25, 2029.
Citations
39
later US patents cite this one
That is top 10% 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.