Also listed on Sinmat, Inc., which filed it. The recorded assignments below show how it moved.
Term ends Dec 2, 2031
Statutory term ends Mar 28, 2031
Base term plus 249 days of PTA
Today
20y-from-earliest-nonprovisional
Expires Dec 2031
2011
2031
Clock starts
Mar 28, 2011
Mar 28, 2011
Granted
Sep 9, 2014
Sep 9, 2014
Term ends
Dec 2, 2031
Dec 2, 2031
base term
patent term adjustment
fee events
Computed Sep 1, 2026 · countdowns run from that date · how we know
249
Days of PTA
2
Applications in this family
This patent's term runs 249 days past the statutory base term on prosecution delay. All three maintenance fees are paid, so nothing but the term itself will end it. Confidence: High. from the record
How this date was computed
Every step shows its rule, its 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, 20y-from-earliest-nonprovisional | Clock starts Mar 28, 2011 | Mar 28, 2031 | High |
| Continuity chain | Every parent in the chain resolved | no change | High |
| Patent term adjustment | +249 days, USPTO PTA record | Dec 2, 2031 | High |
| Terminal disclaimer cap | None on record | no cap applied | High |
| Patent term extension | None on file | no change | High |
| Fee events | 3 of 3 maintenance fees paid | in-force | High |
| Computed term end | The steps above, in order | Dec 2, 2031 | High |
The computation, verbatim
base=20y-from-earliest-nonprovisional: 2011-03-28+20y | =2031-03-28 | PTA+249d=2031-12-02 | PTE:none | TD:none | paid 4yr@2018-03-07,8yr@2022-02-17,12yr@2026-02-19 | status=in-force@2031-12-02
This family
| US 8,828,874 | this patent | Dec 2031 |
| Application PCT/US2012/030944 | pending | not computed |
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 |
|---|---|---|---|
| Mar 29, 2011 reel/frame not recorded | Arjunan, Arul Chakkaravarthi; Mishra, Abhudaya; Singh, Deepika | Sinmat, Inc. | Assignment of Assignor's Interest |
| Mar 29, 2011 reel/frame not recorded | Singh, Rajiv K. | University of Florida Research Foundation, Inc. | Assignment of Assignor's Interest |
| Apr 14, 2020 reel/frame not recorded | Sinmat, Inc. | Entegris, Inc. | Assignment of Assignor's Interest |
| Jul 8, 2022 Reel 60613, frame 72 | Entegris, Inc.; Entegris GP, Inc.; Poco Graphite, Inc.; CMC Materials, Inc.; International Test Solutions, LLC; Qed Technologies International, Inc. | Truist Bank, as Notes Collateral Agent | Security Interest |
| Jul 8, 2022 Reel 60614, frame 980 | Entegris, Inc.; Entegris GP, Inc.; Poco Graphite, Inc. | Morgan Stanley Senior Funding, Inc., as Collateral Agent | Security Interest |
| Jul 8, 2022 reel/frame not recorded | CMC Materials, Inc.; Entegris GP, Inc.; Entegris, Inc.; International Test Solutions, LLC; Poco Graphite, Inc.; Qed Technologies International, Inc. | Truist Bank, as Notes Collateral Agent | Security Interest |
| Jul 8, 2022 reel/frame not recorded | Entegris GP, Inc.; Entegris, Inc.; Poco Graphite, Inc. | Morgan Stanley Senior Funding, Inc., as Collateral Agent | Security Interest |
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alerts on grants, lapses, transfers
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What's changing
Dec 2031
Term ends. No further fees fall due before then
Note
The 249 days of PTA are read from the USPTO record, not recalculated by us
Citations
2
later US patents cite this one
That is above the median of utility patents granted in 2014 in our data, the only group it is compared against.
How we rank
Every date shows its work: base rule, PTA, PTE, disclaimer caps, fee overlay, 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.