Term ends Sep 27, 2033 · High confidence
20-year base term ends Sep 27, 2033
Filed Aug 8, 2019 as application 16/535,833 · Granted Dec 8, 2020
Base term, 20 years from filing
Today
2013
2033
Clock starts
Sep 27, 2013
Sep 27, 2013
Term ends
Sep 27, 2033
Sep 27, 2033
Granted
Dec 8, 2020
Dec 8, 2020
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.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
17
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. 1 of 3 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 Sep 27, 2013, when application 14/039,101, the earliest non-provisional in its chain, was filed (this one was filed Aug 8, 2019) | Sep 27, 2033 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 27, 2033 | High confidence |
This family
| US 9,353,523 | In force Sep 2033 | Sep 2033 |
| US 9,957,722 | In force no later than Sep 2033 | no later than Sep 2033 |
| US 9,963,885 | In force Sep 2033 | Sep 2033 |
| Application 15/907,503 | Abandoned not computed | not computed |
| US 10,858,842 | In force no later than Sep 2033 | no later than Sep 2033 |
| US 10,415,256 | In force Sep 2033 | Sep 2033 |
| US 10,858,843 | this patent Sep 2033 | Sep 2033 |
| US 11,313,134 | In force Sep 2033 | Sep 2033 |
8 of 17 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 |
|---|---|---|---|
| Nov 2, 2020 Reel 54237, frame 1 | Taylor, Charles David, JR.; Brown, Paul Addison; Mueller, Berthold; Hoffner, Randal; Adams, Stewart; Davis, Jarrett B. | Max Life, LLC | Assignment of Assignor's Interest |
| May 1, 2022 Reel 59745, frame 517 | Max Life, LLC | DDP Specialty Electronic Materials US, LLC | 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 2033
Term ends Sep 27, 2033. Maintenance fees still fall due before then
Citations
5
later US patents cite this one
That is above the median of utility patents granted in 2020 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.