Term ends Jun 28, 2033 · High confidence
20-year base term ends Jun 28, 2033
Held by NCS Multistage, Inc.
Filed Mar 13, 2018 as application 15/919,370 · Granted Nov 5, 2019
Base term, 20 years from filing
Today
2013
2033
Clock starts
Jun 28, 2013
Jun 28, 2013
Term ends
Jun 28, 2033
Jun 28, 2033
Granted
Nov 5, 2019
Nov 5, 2019
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.
None
Terminal disclaimer
No disclaimer on this record.
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.
8
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. 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 Jun 28, 2013, when application 13/930,683, the earliest non-provisional in its chain, was filed (this one was filed Mar 13, 2018) | Jun 28, 2033 | 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 | None on record | no cap applied | 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 | Jun 28, 2033 | High confidence |
This family
| US 9,593,542 | In force Aug 2035 | Aug 2035 |
| US 10,883,314 | In force Jun 2033 | Jun 2033 |
| US 10,465,445 | this patent Jun 2033 | Jun 2033 |
| Application 16/535,047 | Abandoned not computed | not computed |
| US 11,180,958 | In force Jun 2033 | Jun 2033 |
| US 10,883,315 | In force Jun 2033 | Jun 2033 |
| Application 17/132,963 | Abandoned not computed | not computed |
| US 11,697,968 | In force no later than Jun 2033 | no later than Jun 2033 |
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 45210, frame 369 | Getzlaf, Donald; Devlin, David; Braden, Douglas; Harris, Travis; Ravensbergen, John; Stromquist, Marty | NCS Oilfield Services Canada, Inc. | Assignment of Assignor's 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
Jun 2033
Term ends Jun 28, 2033. Maintenance fees still fall due before then
Citations
19
later US patents cite this one
That is top 25% 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.