Term ends Aug 14, 2028 · High confidence
20-year base term ended Jun 19, 2026
Held by Nucletron Operations B.V.
Filed Jun 19, 2006 as application 11/471,277 · Granted Mar 30, 2010
Base term plus 787 days of patent term adjustment (USPTO delay)
Today
2006
2028
Clock starts
Jun 19, 2006
Jun 19, 2006
Term ends
Aug 14, 2028
Aug 14, 2028
Granted
Mar 30, 2010
Mar 30, 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
787
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.
3
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 787 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 19, 2006, when this application, 11/471,277, was filed | Jun 19, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +787 days, USPTO patent term adjustment record | Aug 14, 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 | Aug 14, 2028 | High confidence |
This family
| Application 11/471,013 | Abandoned not computed | not computed |
| US 7,686,755 | this patent Aug 2028 | Aug 2028 |
| Application PCT/US2007/014151 | PCT application no patent term | no patent term |
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 12, 2006 Reel 18300, frame 196 | Smith, Peter C.; Klein, Michael; Hausen, Heike; Lovoi, Paul A. | Xoft, Inc. | Assignment of Assignor's Interest |
| Oct 11, 2010 Reel 25114, frame 354 | Xoft, Inc. | Easton Capital Partners, L.p. | Security Agreement |
| Dec 30, 2010 Reel 25558, frame 311 | Easton Capital Partners, L.p. | Xoft, Inc. | Release of Security Interest |
| Mar 30, 2020 Reel 52916, frame 197 | Xoft, Inc. | Western Alliance Bank | Security Interest |
| Oct 10, 2023 Reel 65191, frame 827 | Western Alliance Bank | Xoft, Inc. | Release of Security Interest |
| Nov 15, 2023 Reel 65573, frame 319 | Xoft Solutions, LLC | Nucletron Operations B.V. | 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
Aug 2028
Term ends Aug 14, 2028. No further fees fall due before then
Note
The 787 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
40
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.