Collateral for a security interest recorded Mar 14, 2025 (TCW Asset Management Company LLC).
Term ends Jun 8, 2035 · High confidence
20-year base term ends May 1, 2035
Held by Material Sciences Corporation
Filed Sep 16, 2022 as application 17/946,352 · Granted Jul 23, 2024
Base term plus 38 days of patent term adjustment (USPTO delay)
Today
2015
2035
Clock starts
May 1, 2015
May 1, 2015
Term ends
Jun 8, 2035
Jun 8, 2035
Granted
Jul 23, 2024
Jul 23, 2024
base term
patent term adjustment
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
38
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
5
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 38 days past its 20-year base term on prosecution delay. 0 of 2 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 May 1, 2015, when application PCT/US2015/028801, the earliest non-provisional in its chain, was filed (this one was filed Sep 16, 2022) | May 1, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +38 days, USPTO patent term adjustment record | Jun 8, 2035 | 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 | 0 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 8, 2035 | High confidence |
This family
| Application PCT/US2015/028801 | PCT application no patent term | no patent term |
| Application PCT/US2016/029974 | PCT application no patent term | no patent term |
| Application 15/729,100 | Abandoned not computed | not computed |
| Application 15/729,095 | Abandoned not computed | not computed |
| US 12,042,884 | this patent Jun 2035 | Jun 2035 |
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 16, 2022 Reel 61121, frame 520 | Bortell, Peter; Tullis, Bryan | Material Sciences Corporation | Assignment of Assignor's Interest |
| Mar 14, 2025 Reel 70520, frame 1 | Material Sciences Corporation; Material Sciences Corporation, Engineered Materials and Solutions Group, Inc.; Continuous Colour Coat Limited | TCW Asset Management Company LLC, as Agent | Security 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
Jun 2035
Term ends Jun 8, 2035. Maintenance fees still fall due before then
Note
The 38 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
Fewer than half of the utility patents granted in 2024 in our data have been cited yet, so we show the count and do not rank on it.
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.