Collateral for a security interest recorded Aug 1, 2025 (Bain Capital Credit, LP).
Term ended Sep 15, 2026 · High confidence
20-year base term ended Jun 15, 2025
Held by Am Conservation Group
Filed Jun 15, 2005 as application 11/154,404 · Granted Mar 23, 2010
Base term plus 457 days of patent term adjustment (USPTO delay)
Today
Term ended Sep 15, 2026
2005
2026
Clock starts
Jun 15, 2005
Jun 15, 2005
Term ended
Sep 15, 2026
Sep 15, 2026
Granted
Mar 23, 2010
Mar 23, 2010
base term
patent term adjustment
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
457
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
8
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 457 days past its 20-year base term on 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 Jun 15, 2005, when this application, 11/154,404, was filed | Jun 15, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +457 days, USPTO patent term adjustment record | Sep 15, 2026 | 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 | Sep 15, 2026 | High confidence |
This family
| US 7,681,804 | this patent Sep 2026 | Sep 2026 |
| US 7,878,417 | In force Aug 2027 | Aug 2027 |
| US 8,464,962 | Term ended Sep 2026 | Sep 2026 |
| US 8,434,693 | Term ended Nov 2025 | Nov 2025 |
| US 9,309,655 | Term ended Sep 2025 | Sep 2025 |
| US 9,611,629 | Term ended no later than Jun 2025 | no later than Jun 2025 |
| US 9,927,042 | Term ended Jun 2025 | Jun 2025 |
| US 10,808,857 | Term ended no later than Jun 2025 | no later than Jun 2025 |
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 28, 2006 Reel 18319, frame 694 | Lockhart, John E. | Showerstart, LLC | Assignment of Assignor's Interest |
| Dec 30, 2015 Reel 37405, frame 538 | Showerstart, LLC | Evolve Technologies, LLC | Change of Name |
| Sep 22, 2023 Reel 64995, frame 919 | Evolve Technologies, LLC | Am Conservation Group | Assignment of Assignor's Interest |
| Aug 1, 2025 Reel 71905, frame 305 | Am Conservation Group, Inc.; Planetecosystems, LLC | Bain Capital Credit, LP | 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
Note
The 457 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
30
later US patents cite this one
That is top 25% of utility patents granted in 2010 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.