Term ends Dec 23, 2032 · High confidence

Computed 20-year base term

Held by NCS Multistage, Inc.

Filed Sep 12, 2012 as application 13/612,185 · Granted Jan 12, 2016

Base term plus 599 days of patent term adjustment (USPTO delay)

Today

20 years from filing

Term ends Dec 23, 2032

2011 2032

Clock starts
May 4, 2011

Term ends
Dec 23, 2032

Granted
Jan 12, 2016

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

599

Days of term adjustment

Read from the USPTO patent term adjustment record, not recalculated here.

None

Terminal disclaimer

No disclaimer on this record.

2 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.

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 599 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are 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 12, 2012)	May 4, 2031	High confidence
Continuity chain	Every parent in the chain resolved	no change	High confidence
Patent term adjustment	+599 days, USPTO patent term adjustment record	Dec 23, 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	2 of 3 maintenance fees paid	In force	High confidence
Computed term end	The steps above, in order	Dec 23, 2032	High confidence

This family

US 8,794,331	In force Sep 2032	Sep 2032
US 9,234,412	this patent 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
Sep 13, 2012 Reel 28953, frame 732	Stromquist, Marty; Getzlaf, Donald; Nipper, Robert; Willems, Timothy	NCS Oilfield Services Canada Inc.	Assignment of Assignor's Interest
Dec 4, 2012 Reel 29402, frame 394	Stromquist, Marty; Getzlaf, Donald; Nipper, Robert; Willems, Timothy	NCS Oilfield Services Canada Inc.	Assignment of Assignor's 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
Feb 5, 2016 Reel 37701, frame 436	NCS Energy Services, LLC	NCS Multistage, LLC	Change of Name
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

Dec 2032

Term ends Dec 23, 2032. Maintenance fees still fall due before then

Note

The 599 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us

Citations

later US patents cite this one

That is top 25% of utility patents granted in 2016 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.

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