Term ends Sep 30, 2032 · High confidence
20-year base term ends May 4, 2031
Held by NCS Multistage, Inc.
Filed May 4, 2011 as application 13/100,796 · Granted Aug 5, 2014
Base term plus 515 days of patent term adjustment (USPTO delay)
Today
2011
2032
Clock starts
May 4, 2011
May 4, 2011
Term ends
Sep 30, 2032
Sep 30, 2032
Granted
Aug 5, 2014
Aug 5, 2014
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
515
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.
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 515 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 this application, 13/100,796, was filed | May 4, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +515 days, USPTO patent term adjustment record | Sep 30, 2032 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Sep 30, 2032 | High confidence |
This family
| US 8,794,331 | this patent 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 | In force 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 |
|---|---|---|---|
| May 4, 2011 Reel 26226, frame 410 | Getzlaf, Donald; Stromquist, Marty; Nipper, Robert; Willems, Timothy Howard | NCS Oilfield Services Canada Inc. | Assignment of Assignor's Interest |
| Apr 16, 2013 Reel 30222, frame 808 | NCS Energy Services, LLC; NCS Oilfield Services Canada, Inc. | Wells Fargo Bank, National Association, as Administrative Agent | Security Agreement |
| Aug 7, 2014 Reel 33499, frame 230 | Wells Fargo Bank, National Association, as Administrative Agent | NCS Energy Services, LLC; NCS Oilfield Services Canada, Inc. | Release of Security Interest |
| Aug 7, 2014 Reel 33499, frame 594 | NCS Energy Services, LLC; NCS Oilfield Services Canada, Inc. | Wells Fargo, National Association, as Administrative Agent | Security Interest |
| Aug 7, 2014 reel/frame not recorded | Wells Fargo Bank, National Association, as Administrative Agent | NCS Energy Services, LLC | Release of Security Interest |
| Aug 7, 2014 reel/frame not recorded | Wells Fargo Bank, National Association, as Administrative Agent | NCS Oilfield Services Canada, Inc. | Release of Security Interest |
| Feb 5, 2016 Reel 37701, frame 436 | NCS Energy Services, LLC | NCS Multistage, LLC | Change of Name |
| Feb 26, 2016 Reel 37841, frame 1 | NCS Multistage, Inc. (F/K/A NCS Oilfield Services Canada, Inc.) | Wells Fargo Bank, National Association, as Administrative Agent | Security Interest |
| Mar 14, 2018 Reel 45829, frame 888 | NCS Oilfield Services Canada, Inc. | NCS Multistage, Inc. | Change of Name |
| Aug 17, 2020 Reel 53520, frame 64 | NCS Multistage Holdings, Inc.; NCS Multistage Inc. | Wells Fargo Bank National Association | Security Interest |
| Jul 28, 2022 Reel 61002, frame 587 | Wells Fargo Bank, National Association | NCS Multistage, LLC; NCS Multistage Inc. | Release of Lien - Patent and Trademark |
| Jul 28, 2022 Reel 61002, frame 734 | NCS Multistage, LLC; NCS Multistage Inc. | JPMorgan Chase Bank, N.A., as Administrative Agent | Patent Security Agreement |
| Jul 28, 2022 reel/frame not recorded | Wells Fargo Bank, National Association | NCS Multistage, LLC | Release of Lien - Patent and Trademark |
| Jul 28, 2022 reel/frame not recorded | Wells Fargo Bank, National Association | NCS Multistage Inc. | Release of Lien - Patent and Trademark |
| 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Sep 2032
Term ends Sep 30, 2032. No further fees fall due before then
Note
The 515 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
44
later US patents cite this one
That is top 25% of utility patents granted in 2014 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.