Also listed on Agraquest, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends May 23, 2032 · High confidence
20-year base term ends May 23, 2032
Held by Bayer CropScience LLC
Filed May 23, 2012 as application 13/478,989 · Granted Jan 7, 2014
Base term, 20 years from filing
Today
2012
2032
Clock starts
May 23, 2012
May 23, 2012
Term ends
May 23, 2032
May 23, 2032
Granted
Jan 7, 2014
Jan 7, 2014
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.
3 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.
2
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. All three maintenance fees are recorded paid; no more fees are due. 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 23, 2012, when this application, 13/478,989, was filed | May 23, 2032 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 23, 2032 | High confidence |
This family
| US 8,623,813 | this patent May 2032 | May 2032 |
| Application 13/961,874 | Abandoned 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 |
|---|---|---|---|
| Jun 8, 2012 Reel 28347, frame 409 | Guilhabert-goya, Magalie; Margolis, Jonathan S. | Agraquest, Inc. | Assignment of Assignor's Interest |
| Aug 7, 2013 Reel 30985, frame 469 | Agraquest, Inc. | Bayer CropScience LP | Assignment of Assignor's Interest |
| Sep 12, 2019 Reel 50369, frame 203 | Bayer CropScience LP | Bayer CropScience LP | Change of Address |
| Jan 21, 2026 Reel 74476, frame 974 | Bayer CropScience LP | Bayer CropScience LLC | Change of Name |
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
May 2032
Term ends May 23, 2032. No further fees fall due before then
Citations
8
later US patents cite this one
That is above the median of utility patents granted in 2014 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.