Term ends May 10, 2033 · High confidence
20-year base term ends May 10, 2033
Held by Covestro Deutschland AG
Filed Nov 10, 2020 as application 17/094,182 · Granted Aug 16, 2022
Base term, 20 years from filing
Today
2013
2033
Clock starts
May 10, 2013
May 10, 2013
Term ends
May 10, 2033
May 10, 2033
Granted
Aug 16, 2022
Aug 16, 2022
base term
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,286,635, US 10,864,708, to May 10, 2033. The term already ends on or before that date, so the cap shortened nothing.
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.
8
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 May 10, 2013, when application PCT/EP2013/059701, the earliest non-provisional in its chain, was filed (this one was filed Nov 10, 2020) | May 10, 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 | Disclaimer resolved from the filed document (refs US 10,286,635, US 10,864,708) | resolves to May 10, 2033, no earlier than this term, so no change | 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 | May 10, 2033 | High confidence |
This family
| US 10,286,635 | In force Feb 2034 | Feb 2034 |
| US 10,864,708 | In force May 2033 | May 2033 |
| US 11,413,854 | this patent May 2033 | May 2033 |
| US 11,691,399 | In force May 2033 | May 2033 |
| US 12,053,960 | In force May 2033 | May 2033 |
| US 12,427,758 | In force May 2033 | May 2033 |
| Application 19/314,788 | Pending not computed | not computed |
7 of 8 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 |
|---|---|---|---|
| May 20, 2022 Reel 59971, frame 984 | Pudleiner, Heinz; Meyer, Klaus; Winkler, Juergen; Bräuer, Wolfgang; Nickel, Joerg; Pehlert, Craig | Bayer MaterialScience AG | Assignment of Assignor's Interest |
| May 20, 2022 Reel 59972, frame 68 | Li, Chunhua; Chen, Yan | Align Technology Inc. | Assignment of Assignor's Interest |
| May 20, 2022 Reel 59972, frame 100 | Align Technology Inc. | Covestro Deutschland AG | Assignment of Assignor's Interest |
| May 20, 2022 Reel 59972, frame 267 | Covestro Deutschland AG | Covestro Intellectual Property GmbH & Co. KG | Assignment of Assignor's Interest |
| May 20, 2022 Reel 60135, frame 657 | Bayer MaterialScience AG | Covestro Deutschland AG | Change of Name |
| Apr 17, 2024 Reel 67132, frame 275 | Covestro Intellectual Property GmbH & Co. KG | Covestro Deutschland AG | 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
May 2033
Term ends May 10, 2033. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 10,286,635, US 10,864,708, ends no earlier than this term, so it caps nothing.
Citations
4
later US patents cite this one
That is top 25% of utility patents granted in 2022 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.