Term ends Jul 12, 2032 · High confidence
20-year base term ends May 4, 2031
Held by NCS Multistage Inc.
Filed Sep 15, 2015 as application 14/855,111 · Granted Jul 9, 2019
Base term plus 435 days of patent term adjustment (USPTO delay)
Today
2011
2032
Clock starts
May 4, 2011
May 4, 2011
Term ends
Jul 12, 2032
Jul 12, 2032
Granted
Jul 9, 2019
Jul 9, 2019
base term
patent term adjustment
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
435
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,794,331, to Jul 12, 2032. The term already ends on or before that date, so the cap shortened nothing.
1 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.
10
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 435 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 1 of 3 maintenance fees is 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 May 4, 2011, when application 13/100,796, the earliest non-provisional in its chain, was filed (this one was filed Sep 15, 2015) | May 4, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +435 days, USPTO patent term adjustment record | Jul 12, 2032 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,794,331) | resolves to Jul 12, 2032, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 12, 2032 | High confidence |
This family
| US 8,794,331 | In force Sep 2032 | Sep 2032 |
| US 9,234,412 | In force Dec 2032 | Dec 2032 |
| US 9,745,826 | In force Nov 2032 | Nov 2032 |
| US 10,344,561 | this patent Jul 2032 | Jul 2032 |
| US 10,227,845 | In force Sep 2032 | Sep 2032 |
| Application 15/187,507 | Abandoned not computed | not computed |
| Application 15/652,750 | Abandoned not computed | not computed |
| Application 16/399,489 | Abandoned not computed | not computed |
8 of 10 applications in this family shown, earliest filings first. 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 14, 2018 Reel 45829, frame 888 | NCS Oilfield Services Canada, Inc. | NCS Multistage, Inc. | Change of Name |
| Jan 17, 2019 Reel 48050, frame 876 | Getzlaf, Donald; Stromquist, Marty; Nipper, Robert; Willems, Timothy H. | NCS Multistage Inc. | Assignment of Assignor's Interest |
| Jul 28, 2022 Reel 61002, frame 734 | NCS Multistage, LLC; NCS Multistage Inc. | JPMorgan Chase Bank, N.A., as Administrative Agent | Patent Security Agreement |
| Sep 1, 2026 Reel 76317, frame 191 | JPMorgan Chase Bank, N.A., as Administrative Agent | NCS Multistage, LLC; NCS Multistage Inc. | Release of Security Interest |
| Sep 1, 2026 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | NCS Multistage, LLC | Release of Security Interest |
| Sep 1, 2026 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | NCS Multistage 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.
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Alerts on its grants, lapses and transfers.
What's changing
Jul 2032
Term ends Jul 12, 2032. Maintenance fees still fall due before then
Note
The 435 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,794,331, ends no earlier than this term, so it caps nothing.
Citations
6
later US patents cite this one
That is above the median of utility patents granted in 2019 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.