Also listed on Société des Produits Nestlé S.A., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Nov 30, 2026 · High confidence
20-year base term ends Nov 30, 2026
Held by Prometheus Laboratories, Inc.
Filed Dec 10, 2010 as application 12/965,512 · Granted Nov 20, 2012
Base term, 20 years from filing
Today
2006
2026
Clock starts
Nov 30, 2006
Nov 30, 2006
Term ends
Nov 30, 2026
Nov 30, 2026
Granted
Nov 20, 2012
Nov 20, 2012
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.
3
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 Nov 30, 2006, when application 11/565,544, the earliest non-provisional in its chain, was filed (this one was filed Dec 10, 2010) | Nov 30, 2026 | 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 | Nov 30, 2026 | High confidence |
This family
| US 7,873,479 | In force Sep 2028 | Sep 2028 |
| Application 11/841,699 | Abandoned not computed | not computed |
| US 8,315,818 | this patent Nov 2026 | Nov 2026 |
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 23, 2011 Reel 26323, frame 5 | Lois, Augusto; Neri, Bruce | Prometheus Laboratories Inc. | Assignment of Assignor's Interest |
| Oct 15, 2012 Reel 29132, frame 45 | Prometheus Laboratories Inc. | Nestec S.A. | Assignment of Assignor's Interest |
| Dec 19, 2012 Reel 29504, frame 740 | Prometheus Laboratories Inc. | Nestec S.A. | Assignment of Assignor's Interest |
| Jun 6, 2019 Reel 49391, frame 756 | Nestec S.A. | Société des Produits Nestlé S.A. | Merger |
| Jun 13, 2019 Reel 49853, frame 398 | Nestec S.A. | Société des Produits Nestlé S.A. | Corrective Assignment to Correct the English Translation to Show the Full and Correct New Name in Section 51. Previously Recorded at Reel: 049391 Frame: 0756. Assignor(S) Hereby Confirms the Merger. |
| Aug 26, 2019 Reel 50166, frame 1 | Société des Produits Nestlé S.A. | Precision Ibd, Inc. | Assignment of Assignor's Interest |
| Oct 17, 2019 Reel 50886, frame 942 | Precision Ibd, Inc. | Prometheus Biosciences, Inc. | Change of Name |
| Jul 3, 2020 Reel 54082, frame 165 | Nestec S.A. | Société des Produits Nestlé S.A. | Corrective Assignment to Correct the Patent Number 16062921 Previously Recorded on Reel 049391 Frame 0756. Assignor(S) Hereby Confirms the Patent Number Should Have Been 16062912. |
| Feb 8, 2021 Reel 55256, frame 976 | Prometheus Biosciences, Inc. | Prometheus Laboratories, 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.
What's changing
Nov 2026
Term ends Nov 30, 2026. No further fees fall due before then
Citations
5
later US patents cite this one
That is below the median of utility patents granted in 2012 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.