Collateral for a security interest recorded Nov 17, 2022 (Citibank, N.A.).
Term ends Dec 11, 2027 · Medium confidence
20-year base term ends Dec 11, 2027
Why Medium: A parent in the chain could not be resolved.
Held by MacDermid Enthone Inc.
Filed Jul 24, 2012 as application 13/556,522 · Granted Dec 9, 2014
Base term, 20 years from filing
Today
2007
2027
Clock starts
Dec 11, 2007
Dec 11, 2007
Term ends
Dec 11, 2027
Dec 11, 2027
Granted
Dec 9, 2014
Dec 9, 2014
base term
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,226,807, to Dec 11, 2027. The term already ends on or before that date, so the cap shortened nothing.
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.
3
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 2 of 3 maintenance fees are paid so far. Confidence: Medium. 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 Dec 11, 2007, when application 11/953,936, the earliest non-provisional in its chain, was filed (this one was filed Jul 24, 2012); a parent in its chain could not be resolved (the next row) | Dec 11, 2027 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,226,807) | resolves to Dec 11, 2027, no earlier than this term, so no change | 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 11, 2027 | Medium confidence |
This family
| US 8,226,807 | In force Jan 2030 | Jan 2030 |
| US 8,906,217 | this patent Dec 2027 | Dec 2027 |
2 of 3 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 |
|---|---|---|---|
| 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.
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Alerts on its grants, lapses and transfers.
What's changing
Dec 2027
Term ends Dec 11, 2027.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,226,807, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2014 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.