Term ends Mar 10, 2030 · High confidence
20-year base term ended Apr 15, 2025
Held by Agamatrix, Inc.
Filed Apr 15, 2005 as application 10/907,803 · Granted Jun 21, 2011
Base term plus 1790 days of patent term adjustment (USPTO delay)
Today
2005
2030
Clock starts
Apr 15, 2005
Apr 15, 2005
Term ends
Mar 10, 2030
Mar 10, 2030
Granted
Jun 21, 2011
Jun 21, 2011
base term
patent term adjustment
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
1,790
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 1790 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 this application, 10/907,803, was filed | Apr 15, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1790 days, USPTO patent term adjustment record | Mar 10, 2030 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Mar 10, 2030 | High confidence |
This family
| US 7,964,089 | this patent 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 | Term ended 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 |
|---|---|---|---|
| Apr 25, 2005 Reel 15946, frame 358 | Harding, Ian; Williams, Richard; Iyengar, Sridhar | 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.
What's changing
Mar 2030
Term ends Mar 10, 2030. No further fees fall due before then
Note
The 1790 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
168
later US patents cite this one
That is top 5% of utility patents granted in 2011 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.