Term ends Aug 11, 2037 · High confidence
20-year base term ends Aug 11, 2037
Held by Corn Products Development, Inc.
Filed Feb 6, 2019 as application 16/323,756 · Granted Aug 17, 2021
Base term, 20 years from filing
Today
2017
2037
Clock starts
Aug 11, 2017
Aug 11, 2017
Term ends
Aug 11, 2037
Aug 11, 2037
Granted
Aug 17, 2021
Aug 17, 2021
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.
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.
7
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 Aug 11, 2017, when application PCT/US2017/046637, the earliest non-provisional in its chain, was filed (this one was filed Feb 6, 2019) | Aug 11, 2037 | 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 | Aug 11, 2037 | High confidence |
This family
| Application PCT/US2017/046637 | PCT application no patent term | no patent term |
| Application PCT/US2018/046359 | PCT application no patent term | no patent term |
| US 11,091,743 | this patent Aug 2037 | Aug 2037 |
| US 12,264,351 | In force Aug 2037 | Aug 2037 |
| US 11,866,738 | In force Aug 2037 | Aug 2037 |
| US 12,371,677 | In force Aug 2037 | Aug 2037 |
| Application 19/096,566 | Pending 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 |
|---|---|---|---|
| Feb 8, 2019 Reel 48274, frame 546 | Zhao, Lishan; Li, Wenzong; Wichmann, Gale; Khankhoje, Aditi; Garcia De Gonzalo, Chantal; Mahatdejkul-meadows, Tina; Jackson, Shaina; Leavell, Michael; Platt, Darren | Amyris, Inc. | Assignment of Assignor's Interest |
| Aug 16, 2019 Reel 50081, frame 106 | Amyris, Inc. | Naxyris S.A. | Security Interest |
| Nov 20, 2019 Reel 51072, frame 310 | Amyris, Inc. | Schottenfeld Opportunities Fund II, L.P. | Grant of Patent Security Interest |
| Nov 21, 2019 Reel 51081, frame 729 | Amyris, Inc. | Naxyris S.A. | Security Interest |
| Oct 18, 2022 Reel 61703, frame 499 | Amyris, Inc. | Foris Ventures, LLC | Security Interest |
| Feb 14, 2023 Reel 62760, frame 753 | Naxyris S.A. | Amyris, Inc. | Release of Security Interest |
| Feb 14, 2023 Reel 62760, frame 818 | Schottenfeld Opportunities Fund II, L.P. | Amyris, Inc. | Release of Security Interest |
| Aug 3, 2023 Reel 64492, frame 518 | Amyris Clean Beauty, Inc.; Amyris Fuels, LLC; AB Technologies LLC; Amyris, Inc. | Muirisc, LLC | Security Interest |
| Aug 17, 2023 Reel 64619, frame 778 | Amyris, Inc.; Amyris Clean Beauty, Inc.; Amyris Fuels, LLC; AB Technologies LLC; Aprinnova, LLC; Amyris-Olinka, LLC; Onda Beauty Inc.; Upland 1 LLC; Amyris Eco-Fab LLC; Clean Beauty 4U Holdings, LLC; Amyris Clean Beauty Latam Ltda; Interfaces Industria e Comercia de Cosmeticos Ltda; Amyris Biotechnologia Do Brasil Ltda; Amyris Europe Trading B.V. (Netherlands); Amyris Bio Prodcuts Portugal, Unipessoal, Lda; Beauty Labs International Limited; Amyris UK Trading Limited | Euagore, LLC | Security Interest |
| May 24, 2024 Reel 67528, frame 467 | Amyris, Inc. | Euagore, LLC | Security Interest |
| May 29, 2025 Reel 71260, frame 237 | Euagore, LLC | Amyris, Inc. | Release of Security Interest |
| Jun 4, 2025 Reel 71314, frame 668 | Amyris, Inc. | Corn Products Development, Inc. | 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
Aug 2037
Term ends Aug 11, 2037. Maintenance fees still fall due before then
Citations
2
later US patents cite this one
That is above 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.