Term ended Jun 14, 2025 · High confidence
20-year base term ended Apr 15, 2025
Held by Agamatrix, Inc.
Filed Jan 5, 2016 as application 14/987,895 · Granted Jan 2, 2018
Base term plus 60 days of patent term adjustment (USPTO delay)
Today
Term ended Jun 14, 2025
2005
2026
Clock starts
Apr 15, 2005
Apr 15, 2005
Term ended
Jun 14, 2025
Jun 14, 2025
Granted
Jan 2, 2018
Jan 2, 2018
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
60
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. 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 60 days past its 20-year base term on 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 Apr 15, 2005, when application 10/907,803, the earliest non-provisional in its chain, was filed (this one was filed Jan 5, 2016) | Apr 15, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +60 days, USPTO patent term adjustment record | Jun 14, 2025 | 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 2 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Jun 14, 2025 | High confidence |
This family
| US 7,964,089 | In force Mar 2030 | Mar 2030 |
| US 8,329,025 | Term ended Apr 2025 | Apr 2025 |
| US 8,361,307 | Term ended Apr 2025 | Apr 2025 |
| US 8,758,594 | Term ended Apr 2025 | Apr 2025 |
| US 9,234,862 | Term ended Jun 2025 | Jun 2025 |
| US 9,857,324 | this patent Jun 2025 | Jun 2025 |
| US 10,641,725 | Term ended Nov 2025 | Nov 2025 |
| US 11,408,849 | Term ended Oct 2025 | Oct 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 |
|---|---|---|---|
| Mar 3, 2016 Reel 37885, frame 934 | Harding, Ian; Williams, Richard; Iyengar, Sridhar | Agamatrix, Inc. | Assignment of Assignor's Interest |
| Sep 29, 2017 Reel 44063, frame 828 | Agamatrix, Inc. | Prospect Capital Corporation | Patent Security Agreement |
| May 11, 2023 Reel 63604, frame 749 | Prospect Capital Corporation, As Collateral Agent | Agamatrix, Inc. | Release of Patent Security Agreement |
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 60 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2
later US patents cite this one
That is below the median of utility patents granted in 2018 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.