Lapsed Dec 11, 2024 on the fee record · High confidence
20-year base term ended Feb 28, 2025
Third maintenance fee unpaid; grace period ended.
Held by MacDermid, Incorporated
Filed Feb 28, 2011 as application 13/036,731 · Granted Dec 11, 2012
Base term, 20 years from filing, plus 10 days of patent term adjustment (USPTO delay)
Today
Lapsed Dec 11, 2024
2005
2026
Clock starts
Feb 28, 2005
Feb 28, 2005
No longer in force
Dec 11, 2024
Dec 11, 2024
Granted
Dec 11, 2012
Dec 11, 2012
Term would have run to
Mar 10, 2025
Mar 10, 2025
base term
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
10
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.
3
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Mar 10, 2025: its 20-year base term plus 10 days of term adjustment for prosecution delay. 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 28, 2005, when application PCT/US2005/006379, the earliest non-provisional in its chain, was filed (this one was filed Feb 28, 2011) | Feb 28, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +10 days, USPTO patent term adjustment record | Mar 10, 2025 | 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 | lapsed Dec 11, 2024 | High confidence |
| Computed term end | The steps above, in order | Dec 11, 2024 | High confidence |
This family
| US 7,964,083 | In force Aug 2028 | Aug 2028 |
| US 8,329,019 | this patent Dec 2024 | Dec 2024 |
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 |
|---|---|---|---|
| Sep 6, 2023 Reel 64809, frame 66 | Coventya Inc. | Macdermid, Incorporated | Merger |
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
Note
The 10 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2012 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.