Term ended Apr 15, 2025 · High confidence
20-year base term ended Apr 15, 2025
Held by Agamatrix, Inc.
Filed Aug 29, 2014 as application 14/473,182 · Granted Feb 23, 2016
Base term, 20 years from filing
Today
Term ended Apr 15, 2025
2005
2026
Clock starts
Apr 15, 2005
Apr 15, 2005
Term ended
Apr 15, 2025
Apr 15, 2025
Granted
Feb 23, 2016
Feb 23, 2016
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,591,815, to Apr 15, 2025. The term already ends on or before that date, so the cap shortened nothing.
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 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. 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 10/907,790, the earliest non-provisional in its chain, was filed (this one was filed Aug 29, 2014) | Apr 15, 2025 | 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 8,591,815) | resolves to Apr 15, 2025, no earlier than this term, so no change | 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 | Apr 15, 2025 | High confidence |
This family
| US 7,964,146 | In force Mar 2030 | Mar 2030 |
| US 8,591,815 | Term ended May 2025 | May 2025 |
| Application 13/108,682 | Abandoned not computed | not computed |
| US 8,852,510 | Term ended Apr 2025 | Apr 2025 |
| US 9,097,651 | Term ended Apr 2025 | Apr 2025 |
| US 9,267,910 | this patent Apr 2025 | Apr 2025 |
| US 9,709,519 | Term ended Apr 2025 | Apr 2025 |
| US 10,983,083 | In force Dec 2026 | Dec 2026 |
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 |
|---|---|---|---|
| Jan 15, 2015 Reel 34730, frame 746 | Harding, Ian; Iyengar, Sridhar G.; Wei, Baoguo; Diamond, Steven; Forest, Martin | Agamatrix, Inc. | Assignment of Assignor's Interest |
| Dec 30, 2015 Reel 37405, frame 728 | Agamatrix, Inc. | Midcap Financial Trust | Security Interest |
| Sep 29, 2017 Reel 44034, frame 372 | Midcap Financial Trust | Agamatrix, Inc. | Release of Security Interest |
| Sep 29, 2017 Reel 44063, frame 828 | Agamatrix, Inc. | Prospect Capital Corporation | Patent Security Agreement |
| Nov 7, 2017 Reel 44391, frame 941 | Midcap Financial Trust | Agamatrix, Inc. | Corrective Assignment to Correct the Assignee Address Previously Recorded at Reel: 044034 Frame: 0372. Assignor(S) Hereby Confirms the Release of Security Interest. |
| 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.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,591,815, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite this one
That is below the median 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.