Also listed on Essentium Ipco, LLC, an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Mar 3, 2040 · High confidence

Computed 20-year base term

Held by Stratasys, Inc.

Filed Feb 6, 2019 as application 16/268,873 · Granted Sep 13, 2022

Base term plus 391 days of patent term adjustment (USPTO delay)

Today

20 years from filing

Term ends Mar 3, 2040

2019 2040

Clock starts
Feb 6, 2019

Term ends
Mar 3, 2040

Granted
Sep 13, 2022

base term patent term adjustment fee events Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

391

Days of term adjustment

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

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.

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 391 days past its 20-year base term on 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 Feb 6, 2019, when this application, 16/268,873, was filed	Feb 6, 2039	High confidence
Continuity chain	Every parent in the chain resolved	no change	High confidence
Patent term adjustment	+391 days, USPTO patent term adjustment record	Mar 3, 2040	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	Mar 3, 2040	High confidence

This family

US 11,440,252	this patent Mar 2040	Mar 2040
Application PCT/US2019/043427	PCT application no patent term	no patent term
Application 17/817,126	Abandoned not computed	not computed

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
Jun 12, 2019 Reel 49443, frame 672	Waldestrand, Iris Gisey Euan; Gjovik, Erik John; Macneish, William Jack, III; Greene, Jason	Essentium, Inc.	Assignment of Assignor's Interest
Oct 27, 2020 Reel 54198, frame 663	Essentium, Inc.	Silicon Valley Bank	Security Interest
Feb 9, 2021 Reel 56015, frame 916	Gjovik, Erik John; Greene, Jason; Macneish, William Jack	Jabil	Statement of Employment
Sep 20, 2021 Reel 57545, frame 5	Essentium, Inc.	Qshgp, Inc.	Security Interest
Jun 27, 2022 Reel 60445, frame 808	Essentium, Inc.; Essentium Ipholdco, LLC; Essentium Ipco, LLC	U.S. Bank Trust Company, National Association, as the Collateral Agent	Security Interest
Jul 18, 2022 Reel 60682, frame 613	Silicon Valley Bank	Essentium, Inc.	Release of Security Interest
Nov 16, 2022 Reel 61950, frame 803	Essentium, Inc.	Essentium Ipco, LLC	Assignment of Assignor's Interest
Jan 17, 2024 Reel 66339, frame 87	U.S. Bank Trust Company, National Association	Essentium, Inc.; Essentium Ipholdco, LLC; Essentium Ipco, LLC	Release of Security Interest
Jan 17, 2024 Reel 66339, frame 185	Essentium Ipco, LLC.	NEXA3D Inc.	Assignment of Assignor's Interest
Jan 17, 2024 reel/frame not recorded	U.S. Bank Trust Company, National Association	Essentium, Inc.	Release of Security Interest
Jan 17, 2024 reel/frame not recorded	U.S. Bank Trust Company, National Association	Essentium Ipholdco, LLC	Release of Security Interest
Jan 17, 2024 reel/frame not recorded	U.S. Bank Trust Company, National Association	Essentium Ipco, LLC	Release of Security Interest
Nov 15, 2024 Reel 69381, frame 694	NEXA3D Inc.; NXT Factory Inc.; NEXA3D APS	U.S. Bank Trust Company	Security Interest
Jun 10, 2025 Reel 71534, frame 581	U.S. Bank Trust Company	NEXA3D Inc.; NXT Factory Inc.; NEXA3D APS	Release of Security Interest
Jun 10, 2025 reel/frame not recorded	U.S. Bank Trust Company	NEXA3D Inc.	Release of Security Interest
Jun 10, 2025 reel/frame not recorded	U.S. Bank Trust Company	NXT Factory Inc.	Release of Security Interest
Jun 10, 2025 reel/frame not recorded	U.S. Bank Trust Company	NEXA3D APS	Release of Security Interest
Jun 17, 2025 Reel 71657, frame 111	NEXA3D Inc.; NXT Factory, Inc.	Stratasys, Inc.	Assignment of Assignor's 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

Mar 2040

Term ends Mar 3, 2040. Maintenance fees still fall due before then

Note

The 391 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 2022 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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