Term ends Sep 27, 2032 · High confidence
20-year base term ends Jun 7, 2032
Held by Johns Manville
Filed Jan 8, 2020 as application 16/737,699 · Granted Oct 12, 2021
Base term plus 112 days of patent term adjustment (USPTO delay)
Today
2012
2032
Clock starts
Jun 7, 2012
Jun 7, 2012
Term ends
Sep 27, 2032
Sep 27, 2032
Granted
Oct 12, 2021
Oct 12, 2021
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
112
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
10
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 112 days past its 20-year base term on prosecution delay. 1 of 2 maintenance fees is 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 Jun 7, 2012, when application 13/490,638, the earliest non-provisional in its chain, was filed (this one was filed Jan 8, 2020) | Jun 7, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +112 days, USPTO patent term adjustment record | Sep 27, 2032 | 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 | 1 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 27, 2032 | High confidence |
This family
| US 11,472,987 | In force Mar 2033 | Mar 2033 |
| US 10,815,593 | In force Oct 2033 | Oct 2033 |
| US 10,815,402 | In force Jun 2033 | Jun 2033 |
| Application 14/334,731 | Abandoned not computed | not computed |
| US 9,394,431 | In force Jun 2032 | Jun 2032 |
| US 10,570,271 | In force Jun 2032 | Jun 2032 |
| US 11,142,631 | this patent Sep 2032 | Sep 2032 |
| Application 16/900,395 | Abandoned not computed | not computed |
8 of 10 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 |
|---|---|---|---|
| Jan 20, 2020 Reel 51555, frame 212 | Alavi, Kiarash | Johns Manville | Assignment of Assignor's 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.
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Alerts on its grants, lapses and transfers.
What's changing
Sep 2032
Term ends Sep 27, 2032. Maintenance fees still fall due before then
Note
The 112 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 2021 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.