Collateral for a security interest recorded Nov 17, 2022 (Citibank, N.A.).

Term ended Oct 22, 2026 · High confidence

Computed 20-year base term

Held by MacDermid Enthone Inc.

Filed Apr 12, 2006 as application 11/279,512 · Granted Feb 23, 2010

Base term plus 193 days of patent term adjustment (USPTO delay)

Today

20 years from filing

Term ended Oct 22, 2026

2006 2026

Clock starts
Apr 12, 2006

Term ended
Oct 22, 2026

Granted
Feb 23, 2010

base term patent term adjustment after the term ends 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

193

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.

This patent's term runs 193 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Apr 12, 2006, when this application, 11/279,512, was filed	Apr 12, 2026	High confidence
Continuity chain	Every parent in the chain resolved	no change	High confidence
Patent term adjustment	+193 days, USPTO patent term adjustment record	Oct 22, 2026	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	term ended	High confidence
Computed term end	The steps above, in order	Oct 22, 2026	High confidence

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 11, 2006 Reel 17605, frame 422	Mobius, Andreas; Mertens, Marc L.a.d.	Enthone Inc.	Assignment of Assignor's Interest
Apr 15, 2016 Reel 38439, frame 777	Enthone Inc.	Barclays Bank PLC, as Collateral Agent	Patent Security Agreement
Feb 4, 2019 Reel 48233, frame 141	Barclays Bank PLC, as Collateral Agent	MacDermid Enthone Inc. (F/K/A Enthone Inc.)	Release of Security Interest
Feb 5, 2019 Reel 48261, frame 110	MacDermid Enthone Inc. (F/K/A Enthone Inc.)	Barclays Bank PLC, as Collateral Agent	Security Interest
Feb 15, 2019 Reel 48355, frame 656	Enthone Inc.	MacDermid Enthone Inc.	Change of Name
Nov 17, 2022 Reel 61956, frame 643	Barclays Bank PLC	Citibank, N.a.	Assignment of Security Interest in Patent Collateral

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

Note

The 193 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 below the median of utility patents granted in 2010 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.

Insoluble Anode