Collateral for a security interest recorded Aug 19, 2022 (JPMorgan Chase Bank, N.A.).
Term ended Nov 10, 2026 · High confidence
20-year base term ended Jul 21, 2026
Held by MKS Instruments Italy S.R.L.
Filed Jul 21, 2006 as application 11/490,555 · Granted Feb 3, 2009
Base term plus 112 days of patent term adjustment (USPTO delay)
Today
Term ended Nov 10, 2026
2006
2026
Clock starts
Jul 21, 2006
Jul 21, 2006
Term ended
Nov 10, 2026
Nov 10, 2026
Granted
Feb 3, 2009
Feb 3, 2009
base term
patent term adjustment
after the term ends
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
112
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.
This patent's term runs 112 days past its 20-year base term on 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 Jul 21, 2006, when this application, 11/490,555, was filed | Jul 21, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +112 days, USPTO patent term adjustment record | Nov 10, 2026 | 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 | Nov 10, 2026 | High confidence |
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 |
|---|---|---|---|
| Jul 21, 2006 Reel 18121, frame 622 | Garuti, Marco; Leonelli, Cristina; Veronesi, Paolo | Alter S.R.L. | Assignment of Assignor's Interest |
| Jul 14, 2016 Reel 39339, frame 386 | Alter S.R.L. | MKS Instruments Italy S.R.L. | Change of Name |
| Jul 21, 2016 Reel 39421, frame 550 | Alter S.R.L | MKS Instruments Italy S.R.L. | Change of Name |
| Feb 1, 2019 Reel 48211, frame 312 | Electro Scientific Industries, Inc.; MKS Instruments, Inc.; Newport Corporation | Barclays Bank PLC, as Collateral Agent | Patent Security Agreement (ABL) |
| Jan 14, 2021 Reel 55668, frame 687 | Electro Scientific Industries, Inc.; MKS Instruments, Inc.; Newport Corporation | Barclays Bank PLC, as Collateral Agent | Corrective Assignment to Correct the Remove U.S. Patent NO.7,919,646 Previously Recorded on Reel 048211 Frame 0312. Assignor(S) Hereby Confirms the Patent Security Agreement (ABL). |
| Aug 19, 2022 Reel 61572, frame 69 | MKS Instruments, Inc.; Newport Corporation; Electro Scientific Industries, Inc. | JPMorgan Chase Bank, N.A., as Collateral Agent | Security Interest |
| Aug 24, 2022 Reel 63009, frame 1 | Barclays Bank PLC | MKS Instruments, Inc.; Newport Corporation; Electro Scientific Industries, Inc. | Release of Security Interest |
| Aug 24, 2022 reel/frame not recorded | Barclays Bank PLC | MKS Instruments, Inc. | Release of Security Interest |
| Aug 24, 2022 reel/frame not recorded | Barclays Bank PLC | Newport Corporation | Release of Security Interest |
| Aug 24, 2022 reel/frame not recorded | Barclays Bank PLC | Electro Scientific Industries, Inc. | 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.
What's changing
Note
The 112 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2009 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.