Term ended Dec 16, 2023 · High confidence
20-year base term ended Dec 16, 2023
USPTO later recorded it as expired for non-payment on Jul 21, 2025.
Filed Feb 17, 2011 as application 13/029,575 · Granted Jun 18, 2013
Base term, 20 years from filing
Today
Term ended Dec 16, 2023
2003
2026
Clock starts
Dec 16, 2003
Dec 16, 2003
Term ended
Dec 16, 2023
Dec 16, 2023
Granted
Jun 18, 2013
Jun 18, 2013
base term
after the term ends
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.
2 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.
5
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. 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 Dec 16, 2003, when application PCT/EP2003/014329, the earliest non-provisional in its chain, was filed (this one was filed Feb 17, 2011) | Dec 16, 2023 | 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 | 2 of 2 maintenance fees paid | term ended | High confidence |
| USPTO status record | Recorded as expired for non-payment on Jul 21, 2025, after the term ended | no change | High confidence |
| Computed term end | The steps above, in order | Dec 16, 2023 | High confidence |
This family
| US 7,901,629 | In force Nov 2026 | Nov 2026 |
| US 8,591,816 | Term ended Dec 2023 | Dec 2023 |
| US 8,465,978 | this patent Dec 2023 | Dec 2023 |
| US 8,877,510 | Term ended Dec 2023 | Dec 2023 |
4 of 5 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 3, 2012 Reel 28150, frame 109 | Dynabyte - Informationssyteme GmbH | F. Hoffmann-La Roche AG | Assignment of Assignor's Interest |
| Aug 23, 2016 Reel 39502, frame 759 | F. Hoffmann-La Roche AG | Roche Diagnostics Operations, 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.
Citations
5
later US patents cite this one
That is below the median of utility patents granted in 2013 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.