Term ended Feb 13, 2026 · High confidence
20-year base term ended Oct 21, 2023
Held by Edwards Lifesciences Corporation
Filed Oct 21, 2003 as application 10/689,872 · Granted Jun 11, 2013
Base term plus 846 days of patent term adjustment (USPTO delay)
Today
Term ended Feb 13, 2026
2003
2026
Clock starts
Oct 21, 2003
Oct 21, 2003
Term ended
Feb 13, 2026
Feb 13, 2026
Granted
Jun 11, 2013
Jun 11, 2013
base term
patent term adjustment
after the term ends
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
846
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.
14
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 846 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Oct 21, 2003, when this application, 10/689,872, was filed | Oct 21, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +846 days, USPTO patent term adjustment record | Feb 13, 2026 | 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Feb 13, 2026 | High confidence |
This family
| US 8,460,371 | this patent Feb 2026 | Feb 2026 |
| US 8,979,923 | Lapsed on the fee record Mar 2023 | Mar 2023 |
| Application 10/949,412 | Abandoned not computed | not computed |
| Application 11/685,240 | Abandoned not computed | not computed |
| US 8,864,822 | Lapsed on the fee record Oct 2026 | Oct 2026 |
| US 8,845,723 | Lapsed on the fee record Sep 2026 | Sep 2026 |
| Application 11/685,241 | Abandoned not computed | not computed |
| US 8,911,461 | In force Mar 2031 | Mar 2031 |
8 of 14 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 |
|---|---|---|---|
| Jul 2, 2004 Reel 14813, frame 492 | Hlavka, Edwin J; Spence, Paul A | DHC Systems, Inc. | Assignment of Assignor's Interest |
| Jul 13, 2004 Reel 14845, frame 167 | DHC Systems, Inc. | Mitralign, Inc. | Assignment of Assignor's Interest |
| Sep 20, 2012 Reel 28992, frame 635 | General Electric Capital Corporation | Mitralign Inc. | Release of Security Interest |
| May 8, 2013 Reel 30378, frame 747 | Mitralign, Inc. | Mitralign, Inc. | Change of Address |
| Jan 5, 2015 Reel 34635, frame 173 | Mitralign, Inc. | General Electric Capital Corporation | Security Interest |
| Nov 18, 2015 Reel 37146, frame 250 | General Electric Capital Corporation, Retiring Agent | Healthcare Financial Solutions, LLC, Successor Agent | Assignment of Intellectual Property Security Interest |
| May 24, 2016 Reel 38806, frame 390 | Healthcare Financial Solutions, LLC, as Retiring Agent | Solar Capital Ltd., as Successor Agent | Assignment of Intellectual Property Security Agreement |
| Apr 19, 2019 Reel 48941, frame 323 | Mitralign, Inc. | Edwards Lifesciences Corporation | Assignment of Assignor's Interest |
| May 31, 2019 Reel 49329, frame 183 | Solar Capital Ltd. | Mitralign, 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 846 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
485
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.