Collateral for a security interest recorded Feb 5, 2019 (Barclays Bank PLC).
Term ends Sep 9, 2031 · High confidence
20-year base term ends Mar 24, 2029
Held by MacDermid Acumen, Inc.
Filed Mar 24, 2009 as application 12/409,629 · Granted Sep 19, 2017
Base term plus 899 days of patent term adjustment (USPTO delay)
Today
2009
2031
Clock starts
Mar 24, 2009
Mar 24, 2009
Term ends
Sep 9, 2031
Sep 9, 2031
Granted
Sep 19, 2017
Sep 19, 2017
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
899
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.
This patent's term runs 899 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 Mar 24, 2009, when this application, 12/409,629, was filed | Mar 24, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +899 days, USPTO patent term adjustment record | Sep 9, 2031 | 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 | Sep 9, 2031 | High confidence |
This family
| US 9,765,437 | this patent Sep 2031 | Sep 2031 |
| Application PCT/US2009/048819 | PCT application no patent term | no patent term |
| Application 15/678,771 | 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 |
|---|---|---|---|
| Apr 15, 2009 Reel 22546, frame 850 | Herdman, Roderick D.; Handy, Stacey; Pearson, Trevor; Yamamoto, Toshiyuki; Ishiwata, Kotaro; Hara, Masahiro; Nishiyama, Tatsuya | Macdermid, Incorporated | Assignment of Assignor's Interest |
| Jun 8, 2011 Reel 26410, frame 522 | Macdermid, Incorporated | MacDermid Acumen, Inc. | Assignment of Assignor's Interest |
| Jul 19, 2013 Reel 30831, frame 549 | MacDermid Acumen, Inc. | Credit Suisse AG, Cayman Islands Branch, as First Lien Collateral Agent | First Lien Patent Security Agreement |
| Jul 19, 2013 Reel 30831, frame 675 | MacDermid Acumen, Inc. | Credit Suisse AG, Cayman Islands Branch, as Second Lien Collateral Agent | Second Lien Patent Security Agreement |
| Nov 1, 2013 Reel 31536, frame 778 | Credit Suisse AG, Cayman Islands Branch, as First Lien Collateral Agent | Barclays Bank PLC, as Successor Collateral Agent | Assignment and Assumption of Security Interests at Reel/Frame Nos. 30831/0549, 30833/0660, 30831/0606, 30833/0700, and 30833/0727 |
| Nov 1, 2013 Reel 31537, frame 94 | Credit Suisse AG, Cayman Islands Branch, as Second Lien Collateral Agent | MacDermid Acumen, Inc. | Release of Security Interest in Patent Collateral at Reel/Frame No. 30831/0675 |
| Feb 4, 2019 Reel 48232, frame 405 | Barclays Bank PLC, as Collateral Agent | MacDermid Acumen, Inc. | Release of Security Interest |
| Feb 5, 2019 Reel 48260, frame 828 | MacDermid Acumen, Inc. | Barclays Bank PLC, as Collateral Agent | Security Interest |
| 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
Sep 2031
Term ends Sep 9, 2031. Maintenance fees still fall due before then
Note
The 899 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
9
later US patents cite this one
That is above the median of utility patents granted in 2017 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.