Collateral for a security interest recorded Jun 24, 2026 (Symbiotic Capital Agency LLC, as Administrative and Collateral Agent).
Term ends May 13, 2036 · High confidence
20-year base term ends May 13, 2036
Held by Alivecor, Inc.
Filed Jan 23, 2024 as application 18/419,977 · Granted Nov 3, 2026
Base term plus 185 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2016
2036
Clock starts
May 13, 2016
May 13, 2016
Term ends
May 13, 2036
May 13, 2036
Granted
Nov 3, 2026
Nov 3, 2026
base term
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
185
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 11,903,681.
0 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 runs 185 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 0 of 2 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 May 13, 2016, when application 15/154,849, the earliest non-provisional in its chain, was filed (this one was filed Jan 23, 2024) | May 13, 2036 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +185 days, USPTO patent term adjustment record | Nov 14, 2036 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 11,903,681) | capped to May 13, 2036 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 13, 2036 | High confidence |
This family
| US 9,839,363 | In force May 2036 | May 2036 |
| US 10,537,250 | In force May 2036 | May 2036 |
| US 10,638,941 | In force May 2036 | May 2036 |
| US 11,903,681 | In force May 2036 | May 2036 |
| US 12,778,430 | this patent May 2036 | May 2036 |
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 13, 2026 Reel 73459, frame 330 | Albert, David E.; Dawood, Omar; Gopalakrishnan, Ravi; Wang, Fei; Thomson, Euan; Abuzeid, Iman | Alivecor, 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
May 2036
Term ends May 13, 2036. Maintenance fees still fall due before then
Note
The 185 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 11,903,681.
Citations
We have no citation count for this patent yet. That is not the same as never having been cited.
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.