Also listed on Directa Plus SRL, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Mar 5, 2028 · High confidence
20-year base term ended Jun 8, 2026
Held by Nant Holdings IP, LLC
Filed Jun 8, 2006 as application 11/422,914 · Granted Jul 13, 2010
Base term plus 636 days of patent term adjustment (USPTO delay)
Today
2006
2028
Clock starts
Jun 8, 2006
Jun 8, 2006
Term ends
Mar 5, 2028
Mar 5, 2028
Granted
Jul 13, 2010
Jul 13, 2010
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
636
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.
2
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 636 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 Jun 8, 2006, when this application, 11/422,914, was filed | Jun 8, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +636 days, USPTO patent term adjustment record | Mar 5, 2028 | 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 5, 2028 | High confidence |
This family
| US 7,754,184 | this patent Mar 2028 | Mar 2028 |
| US 9,034,297 | Term ended Jun 2026 | Jun 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 |
|---|---|---|---|
| Jun 8, 2006 Reel 17744, frame 82 | Mercuri, Robert A. | Directa Plus Patent & Technology Limited | Assignment of Assignor's Interest |
| Mar 17, 2009 Reel 22404, frame 519 | Directa Plus Patent & Technology Limited | Directa Plus SRL | Assignment of Assignor's Interest |
| Mar 20, 2009 Reel 22426, frame 9 | Directa Plus Patent & Technology Limited | Directa Plus SRL | Corrective Assignment to Correct the Typographical Errors in the Text Mislabeling the Assignor and Assignee Previously Recorded on Reel 022404 Frame 0519. Assignor(S) Hereby Confirms the Assignment of the Patent Applications from Assignor Directa Plus Patent & Technology Limited to Assignee Directa Plus SRL. |
| Oct 5, 2026 Reel 76260, frame 757 | Directa Plus S.P.A. | Calcean Minerals and Materials, LLC | Assignment of Assignor's Interest |
| Oct 13, 2026 Reel 76357, frame 150 | Calcean Minerals and Materials, LLC | Nant Holdings IP, LLC | Assignment of Assignor's 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
Mar 2028
Term ends Mar 5, 2028. No further fees fall due before then
Note
The 636 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
43
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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.