Term ends Apr 26, 2039 · High confidence
20-year base term ends Sep 11, 2038
Held by Corn Products Development, Inc.
Filed Mar 6, 2020 as application 16/645,204 · Granted May 23, 2023
Base term plus 227 days of patent term adjustment (USPTO delay)
Today
2018
2039
Clock starts
Sep 11, 2018
Sep 11, 2018
Term ends
Apr 26, 2039
Apr 26, 2039
Granted
May 23, 2023
May 23, 2023
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
227
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 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.
11
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 227 days past its 20-year base term on prosecution delay. 0 of 3 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 Sep 11, 2018, when application PCT/US2018/050377, the earliest non-provisional in its chain, was filed (this one was filed Mar 6, 2020) | Sep 11, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +227 days, USPTO patent term adjustment record | Apr 26, 2039 | 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 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 26, 2039 | High confidence |
This family
| Application 15/451,081 | Abandoned not computed | not computed |
| Application PCT/US2018/050377 | PCT application no patent term | no patent term |
| US 11,180,575 | In force Dec 2039 | Dec 2039 |
| Application PCT/US2019/068663 | PCT application no patent term | no patent term |
| US 11,653,687 | this patent Apr 2039 | Apr 2039 |
| Application 17/240,923 | Abandoned not computed | not computed |
| Application 17/417,966 | Abandoned not computed | not computed |
| US 12,501,904 | In force Jul 2038 | Jul 2038 |
8 of 11 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 |
|---|---|---|---|
| Mar 22, 2023 Reel 63060, frame 50 | Clune, Hanna; Shah, Tarak; Hanchett, Douglas; Jegede, Oyelayo | Ingredion Incorporated | Assignment of Assignor's Interest |
| Mar 22, 2023 Reel 63060, frame 230 | Thng, Suh Fang; Kor, Bee Tin | Ingredion Singapore Pte. Ltd. | Assignment of Assignor's Interest |
| Mar 22, 2023 Reel 63060, frame 295 | Ingredion Incorporated | Corn Products Development, Inc. | Assignment of Assignor's Interest |
| Mar 22, 2023 Reel 63143, frame 308 | Jernigan, Lynette; Garrison, John | Ingredion Incorporated | Employment Agreement of Inventor |
| Apr 5, 2023 Reel 63233, frame 207 | Ingredion Singapore Pte. Ltd. | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Apr 2039
Term ends Apr 26, 2039. Maintenance fees still fall due before then
Note
The 227 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 2023 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.