Collateral for a security interest recorded Jul 14, 2026 (Hercules Capital, Inc.).
Term ends Oct 22, 2033 · High confidence
20-year base term ends Oct 22, 2033
Held by Sondermind Inc.
Filed Oct 21, 2016 as application 15/331,173 · Granted Jul 4, 2017
Base term, 20 years from filing
Today
2013
2033
Clock starts
Oct 22, 2013
Oct 22, 2013
Term ends
Oct 22, 2033
Oct 22, 2033
Granted
Jul 4, 2017
Jul 4, 2017
base term
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
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.
9
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. 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 Oct 22, 2013, when application 14/059,682, the earliest non-provisional in its chain, was filed (this one was filed Oct 21, 2016) | Oct 22, 2033 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Oct 22, 2033 | High confidence |
This family
| US 9,420,970 | In force May 2034 | May 2034 |
| US 9,474,481 | In force May 2034 | May 2034 |
| Application PCT/US2014/052227 | PCT application no patent term | no patent term |
| Application PCT/US2014/052222 | PCT application no patent term | no patent term |
| US 9,538,948 | In force Oct 2033 | Oct 2033 |
| US 9,693,724 | this patent Oct 2033 | Oct 2033 |
| US 9,687,187 | In force Oct 2033 | Oct 2033 |
| Application 15/607,377 | Abandoned not computed | not computed |
8 of 9 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 |
|---|---|---|---|
| Mar 30, 2017 Reel 41791, frame 921 | Dagum, Paul | Mindstrong, LLC | Assignment of Assignor's Interest |
| Feb 7, 2020 Reel 51750, frame 160 | Mindstrong, LLC | Mindstrong, Inc. | Assignment of Assignor's Interest |
| May 17, 2023 Reel 63673, frame 23 | Mindstrong, Inc. | Sondermind Inc. | Assignment of Assignor's Interest |
| Jun 11, 2024 Reel 67691, frame 35 | Sondermind Inc. | Jpmorgan Chase Bank, N.a. | Security Interest |
| Jul 14, 2026 Reel 75267, frame 62 | Sondermind Inc.; Sondermind Provider Network, LLC | Hercules Capital, Inc., as Agent | Security Interest |
| Jul 21, 2026 Reel 75344, frame 500 | JPMorgan Chase Bank | Sondermind 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Oct 2033
Term ends Oct 22, 2033. Maintenance fees still fall due before then
Citations
60
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.