Collateral for a security interest recorded Jan 3, 2025 (Midcap Funding IV Trust).
Term ends Aug 14, 2035 · High confidence
20-year base term ends Aug 14, 2035
Held by Arq Solutions, LLC
Filed Aug 14, 2015 as application 14/826,872 · Granted Mar 29, 2022
Base term, 20 years from filing
Today
2015
2035
Clock starts
Aug 14, 2015
Aug 14, 2015
Term ends
Aug 14, 2035
Aug 14, 2035
Granted
Mar 29, 2022
Mar 29, 2022
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 11,219,878, to Aug 14, 2035. The term already ends on or before that date, so the cap shortened nothing.
1 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.
42
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 1 of 3 maintenance fees is 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 Aug 14, 2015, when this application, 14/826,872, was filed | Aug 14, 2035 | 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 | Disclaimer resolved from the filed document (refs US 11,219,878) | resolves to Aug 14, 2035, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 14, 2035 | High confidence |
This family
| US 9,539,538 | In force Jan 2035 | Jan 2035 |
| US 9,314,767 | Lapsed on the fee record Apr 2024 | Apr 2024 |
| US 10,722,865 | In force Aug 2032 | Aug 2032 |
| US 10,307,706 | In force Sep 2036 | Sep 2036 |
| US 10,449,492 | In force Jul 2035 | Jul 2035 |
| US 11,285,459 | this patent Aug 2035 | Aug 2035 |
| US 10,766,016 | Lapsed on the fee record Sep 2024 | Sep 2024 |
| Application 15/093,414 | Abandoned not computed | not computed |
8 of 42 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 |
|---|---|---|---|
| Oct 29, 2015 Reel 36916, frame 378 | Li, Mowen; Vizcaino, Christopher; Cayton, Roger H.; Lowring, Jacob B. | Ada Carbon Solutions, LLC | Assignment of Assignor's Interest |
| Dec 7, 2018 Reel 47741, frame 411 | Ada Carbon Solutions, LLC | The Bank of New York Mellon, as Administrative Agent | Notice of Grant of Security Interest in Patents |
| Jun 4, 2021 Reel 56483, frame 651 | The Bank of New York Mellon, as Administrative Agent | Ada Carbon Solutions, LLC | Termination and Release of Security Interest in Patents |
| Feb 1, 2023 Reel 62622, frame 51 | Ada Carbon Solutions, LLC; Ada-Es, Inc. | CF Global Credit, LP | Patent Security Agreement |
| Feb 22, 2024 Reel 66694, frame 271 | Ada Carbon Solutions, LLC | Arq Solutions, LLC | Change of Name |
| Dec 27, 2024 Reel 69791, frame 980 | CF Global Credit, LP, as Administrative Agent | Arq Solutions, LLC (F/K/A Ada Carbon Solutions, LLC); Arq Solutions (Es), Inc. (F/K/A Ada-Es, Inc.) | Release of Security Interest |
| Dec 27, 2024 reel/frame not recorded | CF Global Credit, LP, as Administrative Agent | Arq Solutions, LLC (F/K/A Ada Carbon Solutions, LLC) | Release of Security Interest |
| Dec 27, 2024 reel/frame not recorded | CF Global Credit, LP, as Administrative Agent | Arq Solutions (Es), Inc. (F/K/A Ada-Es, Inc.) | Release of Security Interest |
| Jan 3, 2025 Reel 69817, frame 645 | Arq Solutions, LLC; Arq Solutions (Es), Inc. | Midcap Funding IV 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.
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Alerts on its grants, lapses and transfers.
What's changing
Aug 2035
Term ends Aug 14, 2035. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 11,219,878, ends no earlier than this term, so it caps nothing.
Citations
20
later US patents cite this one
That is top 5% of utility patents granted in 2022 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.