Lapsed Apr 19, 2024 on the fee record · High confidence
20-year base term ends Mar 7, 2034
Second maintenance fee unpaid; grace period ended.
Held by Ada Carbon Solutions, LLC
Filed Mar 7, 2014 as application 14/201,398 · Granted Apr 19, 2016
Base term, 20 years from filing
Today
Lapsed Apr 19, 2024
2014
2034
Clock starts
Mar 7, 2014
Mar 7, 2014
No longer in force
Apr 19, 2024
Apr 19, 2024
Granted
Apr 19, 2016
Apr 19, 2016
Term would have run to
Mar 7, 2034
Mar 7, 2034
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.
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.
Its term would have run to Mar 7, 2034: its 20-year base term, with no adjustment for prosecution delay. 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 Mar 7, 2014, when this application, 14/201,398, was filed | Mar 7, 2034 | 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 | 1 of 3 maintenance fees paid | lapsed Apr 19, 2024 | High confidence |
| Computed term end | The steps above, in order | Apr 19, 2024 | High confidence |
This family
| US 9,539,538 | In force Jan 2035 | Jan 2035 |
| US 9,314,767 | this patent 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 | In force 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 |
|---|---|---|---|
| Apr 11, 2014 Reel 32658, frame 281 | McMurray, Sarah G.; Lowring, Jacob B.; Leen, Brian | Ada Carbon Solutions, LLC | Assignment of Assignor's Interest |
| Nov 18, 2014 Reel 34198, frame 824 | Ada Carbon Solutions, LLC | Babson Capital Finance LLC, as Administrative Agent | Security 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 |
| Jan 17, 2019 Reel 48083, frame 313 | Babson Capital Finance LLC, as Administrative Agent | Ada Carbon Solutions, LLC | Termination and Release 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 |
| 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 |
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
28
later US patents cite this one
That is top 25% of utility patents granted in 2016 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.