Collateral for a security interest recorded Aug 9, 2021 (Midcap Financial Trust).
Term ended Oct 30, 2026 · High confidence
20-year base term ended Oct 30, 2026
Held by Unchained Labs
Filed Oct 25, 2012 as application 13/660,688 · Granted Oct 14, 2014
Base term, 20 years from filing
Today
Term ended Oct 30, 2026
2006
2026
Clock starts
Oct 30, 2006
Oct 30, 2006
Term ended
Oct 30, 2026
Oct 30, 2026
Granted
Oct 14, 2014
Oct 14, 2014
base term
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
None
Term adjustment
No prosecution delay on this record.
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.
3
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. 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 30, 2006, when application PCT/US2006/042673, the earliest non-provisional in its chain, was filed (this one was filed Oct 25, 2012) | Oct 30, 2026 | 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 | 3 of 3 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Oct 30, 2026 | High confidence |
This family
| US 8,313,711 | In force Aug 2029 | Aug 2029 |
| US 8,858,066 | this patent Oct 2026 | Oct 2026 |
2 of 3 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 |
|---|---|---|---|
| Sep 3, 2014 Reel 33657, frame 600 | Brown, Jeffrey A.; Hahn, Hyeok | Symyx Technologies, Inc. | Assignment of Assignor's Interest |
| Sep 3, 2014 Reel 33657, frame 475 | Gao, Jason; Calcavecchio, Peter | Exxonmobile Research and Engineering Company | Assignment of Assignor's Interest |
| Sep 3, 2014 Reel 33657, frame 564 | ExxonMobil Research and Engineering Company | Symyx Technologies, Inc. | Assignment of Assignor's Interest |
| Sep 3, 2014 Reel 33657, frame 701 | Symyx Technologies, Inc. | Symyx Solutions, Inc. | Assignment of Assignor's Interest |
| Sep 3, 2014 Reel 33657, frame 826 | Symyx Solutions, Inc. | Freeslate, Inc. | Assignment of Assignor's Interest |
| Sep 9, 2014 Reel 33803, frame 320 | Gao, Jason; Calcavecchio, Peter | ExxonMobil Research and Engineering Company | Corrective Assignment to Correct the Assignee Name Previously Recorded on Reel 033657 Frame 0475. Assignor(S) Hereby Confirms the Assignment. |
| Mar 23, 2018 Reel 45333, frame 388 | Freeslate, Inc. | Unchained Labs | Assignment of Assignor's Interest |
| Aug 9, 2021 Reel 57121, frame 512 | Unchained Labs, LLC; Ultimate Intermediate, LLC | Midcap Financial Trust | 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.
Citations
6
later US patents cite this one
That is below the median of utility patents granted in 2014 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.