Collateral for a security interest recorded May 15, 2017 (Goldman Sachs Bank USA).
Term ends Nov 20, 2026 · High confidence
20-year base term ends Nov 20, 2026
Held by Entegris, Inc.
Filed Mar 20, 2015 as application 14/663,721 · Granted Feb 16, 2016
Base term, 20 years from filing
Today
2006
2026
Clock starts
Nov 20, 2006
Nov 20, 2006
Term ends
Nov 20, 2026
Nov 20, 2026
Granted
Feb 16, 2016
Feb 16, 2016
base term
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,940,664, to Nov 20, 2026. The term already ends on or before that date, so the cap shortened nothing.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
6
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 2 of 2 maintenance fees are paid so far. 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 Nov 20, 2006, when application 11/602,449, the earliest non-provisional in its chain, was filed (this one was filed Mar 20, 2015) | Nov 20, 2026 | 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 | Disclaimer resolved from the filed document (refs US 7,940,664) | resolves to Nov 20, 2026, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 20, 2026 | High confidence |
This family
| Application 60/741,657 | Provisional application no patent term | no patent term |
| US 7,940,664 | In force Aug 2029 | Aug 2029 |
| Application PCT/US2006/045127 | PCT application no patent term | no patent term |
| US 9,025,454 | In force no later than Apr 2027 | no later than Apr 2027 |
| Application 13/104,468 | Abandoned not computed | not computed |
| US 9,262,361 | this patent Nov 2026 | Nov 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 |
|---|---|---|---|
| Mar 23, 2015 Reel 35234, frame 453 | Cedrone, James; McLoughlin, Robert; Gonnella, George | Entegris, Inc. | Assignment of Assignor's Interest |
| May 15, 2017 Reel 42375, frame 769 | Entegris, Inc.; Poco Graphite, Inc. | Goldman Sachs Bank USA, as Collateral Agent | Security Interest |
| Nov 13, 2018 Reel 48811, frame 679 | Entegris, Inc.; Saes Pure Gas, Inc. | Goldman Sachs Bank USA | Security Interest |
| Nov 5, 2019 Reel 50965, frame 35 | Goldman Sachs Bank USA | Morgan Stanley Senior Funding, Inc. | Assignment of Patent Security Interest Recorded at Reel/Frame 048811/0679 |
| 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 |
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.
What's changing
Nov 2026
Term ends Nov 20, 2026. No further fees fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 7,940,664, ends no earlier than this term, so it caps nothing.
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2016 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.