Term ends May 4, 2037 · High confidence
20-year base term ends May 4, 2037
Held by NCS Multistage Inc.
Filed Sep 18, 2019 as application 16/574,842 · Granted Nov 9, 2021
Base term, 20 years from filing
Today
2017
2037
Clock starts
May 4, 2017
May 4, 2017
Term ends
May 4, 2037
May 4, 2037
Granted
Nov 9, 2021
Nov 9, 2021
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.
20
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 May 4, 2017, when application 15/586,975, the earliest non-provisional in its chain, was filed (this one was filed Sep 18, 2019) | May 4, 2037 | 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 | May 4, 2037 | High confidence |
This family
| US 10,458,195 | In force May 2037 | May 2037 |
| Application 15/837,648 | Abandoned not computed | not computed |
| US 11,434,735 | In force Jan 2039 | Jan 2039 |
| US 11,168,527 | this patent May 2037 | May 2037 |
| US 11,255,169 | Lapsed on the fee record Feb 2026 | Feb 2026 |
| US 11,261,715 | In force Aug 2040 | Aug 2040 |
| US 11,808,099 | In force May 2037 | May 2037 |
| US 11,732,559 | In force Apr 2040 | Apr 2040 |
8 of 20 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 |
|---|---|---|---|
| Aug 17, 2020 Reel 53520, frame 64 | NCS Multistage Holdings, Inc.; NCS Multistage Inc. | Wells Fargo Bank National Association | Security Interest |
| Jul 22, 2021 Reel 56943, frame 942 | Johnson, Tim, MR; Werries, Michael, MR | NCS Multistage Inc. | Assignment of Assignor's 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
May 2037
Term ends May 4, 2037. Maintenance fees still fall due before then
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2021 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.