Term ended Jun 10, 2025 · High confidence
20-year base term ended Jun 10, 2025
Held by Quantum Materials, LLC
Filed Nov 4, 2008 as application 12/264,818 · Granted Apr 27, 2010
Base term, 20 years from filing
Today
Term ended Jun 10, 2025
2005
2026
Clock starts
Jun 10, 2005
Jun 10, 2005
Term ended
Jun 10, 2025
Jun 10, 2025
Granted
Apr 27, 2010
Apr 27, 2010
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.
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 is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 10, 2005, when application 11/149,887, the earliest non-provisional in its chain, was filed (this one was filed Nov 4, 2008) | Jun 10, 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 | 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Jun 10, 2025 | High confidence |
This family
| US 7,445,834 | Term ended Oct 2026 | Oct 2026 |
| Application PCT/US2006/021201 | PCT application no patent term | no patent term |
| US 7,704,595 | this patent Jun 2025 | Jun 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 |
|---|---|---|---|
| Jun 17, 2011 Reel 26460, frame 315 | Innegrity LLC | Branch Banking and Trust Company | Security Agreement |
| Aug 25, 2011 Reel 26806, frame 410 | Morin, Brian G. | Milliken & Company | Associate Agreement |
| Sep 2, 2011 Reel 26852, frame 895 | Innegrity, LLC | Wyatt, Tarrant & Combs, LLP | Lien |
| Sep 7, 2011 Reel 26864, frame 197 | Morin, Brian G. | Innegrity, LLC | Assignment of Assignor's Interest |
| Sep 15, 2011 Reel 26912, frame 558 | Branch Banking and Trust Company | Rampart Fibers, LLC | Assignment of Assignor's Interest |
| Oct 25, 2011 Reel 27114, frame 536 | Wyatt, Tarrant & Combs, LLP | Innegrity, LLC | Revocation of Attorney's Lien |
| Oct 26, 2011 Reel 27122, frame 841 | Rampart Fibers, LLC | Innegra Technologies, LLC | Change of Name |
| Aug 6, 2012 Reel 28734, frame 581 | Milliken & Company | Innegra Technologies, LLC | Assignment of Assignor's Interest |
| Jun 25, 2015 Reel 35906, frame 887 | Innegra Technologies, LLC | CCH Acquisition 2, LLC | Security Interest |
| Aug 10, 2023 Reel 64555, frame 44 | Innegra Technologies, LLC | Quantum Materials, LLC | Assignment of Assignor's Interest |
| Oct 27, 2023 Reel 65368, frame 271 | CCH Acquisitions 2, LLC | Innegra Technologies, LLC | Release of Security 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.
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Alerts on its grants, lapses and transfers.
Citations
41
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.