Collateral for a security interest recorded Jun 24, 2026 (Symbiotic Capital Agency LLC, as Administrative and Collateral Agent).
Term ends Feb 2, 2031 · High confidence
20-year base term ends Jun 8, 2030
Held by Alivecor, Inc.
Filed Aug 12, 2013 as application 13/964,490 · Granted May 16, 2017
Base term plus 239 days of patent term adjustment (USPTO delay)
Today
2010
2031
Clock starts
Jun 8, 2010
Jun 8, 2010
Term ends
Feb 2, 2031
Feb 2, 2031
Granted
May 16, 2017
May 16, 2017
base term
patent term adjustment
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
239
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,509,882, to Feb 2, 2031. The term already ends on or before that date, so the cap shortened nothing.
2 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.
18
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 239 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 2 of 3 maintenance fees are 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 Jun 8, 2010, when application 12/796,188, the earliest non-provisional in its chain, was filed (this one was filed Aug 12, 2013) | Jun 8, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +239 days, USPTO patent term adjustment record | Feb 2, 2031 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,509,882) | resolves to Feb 2, 2031, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 2, 2031 | High confidence |
This family
| US 8,509,882 | In force Feb 2031 | Feb 2031 |
| Application 13/108,738 | Abandoned not computed | not computed |
| Application PCT/US2011/039445 | PCT application no patent term | no patent term |
| Application PCT/US2011/053708 | PCT application no patent term | no patent term |
| US 8,301,232 | In force Jun 2030 | Jun 2030 |
| US 9,649,042 | this patent Feb 2031 | Feb 2031 |
| US 9,351,654 | In force Mar 2031 | Mar 2031 |
| US 9,833,158 | In force Jun 2030 | Jun 2030 |
8 of 18 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 |
|---|---|---|---|
| Jan 2, 2014 Reel 31880, frame 784 | Aliveusa, Inc. | Alivecor, Inc. | Change of Name |
| Jan 2, 2014 Reel 31881, frame 437 | Albert, David; Satchwell, Bruce Richard; Barnett, Kim Norman | Aliveusa LLC | Assignment of Assignor's Interest |
| Jan 2, 2014 Reel 31882, frame 103 | Aliveusa LLC | Aliveusa Inc. | Assignment of Assignor's Interest |
| Jun 24, 2026 Reel 75813, frame 343 | Alivecor, Inc. | Symbiotic Capital Agency LLC, as Administrative and Collateral Agent | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Feb 2031
Term ends Feb 2, 2031. Maintenance fees still fall due before then
Note
The 239 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,509,882, ends no earlier than this term, so it caps nothing.
Citations
96
later US patents cite this one
That is top 5% of utility patents granted in 2017 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.