Term ends Nov 22, 2026 · High confidence
20-year base term ended Dec 16, 2023
Filed Jan 31, 2007 as application 10/583,062 · Granted Mar 8, 2011
Base term plus 1072 days of patent term adjustment (USPTO delay)
Today
2003
2026
Clock starts
Dec 16, 2003
Dec 16, 2003
Term ends
Nov 22, 2026
Nov 22, 2026
Granted
Mar 8, 2011
Mar 8, 2011
base term
patent term adjustment
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
1,072
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
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 runs 1072 days past its 20-year base term on 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 Dec 16, 2003, when application PCT/EP2003/014329, the earliest non-provisional in its chain, was filed (this one was filed Jan 31, 2007) | Dec 16, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1072 days, USPTO patent term adjustment record | Nov 22, 2026 | 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 22, 2026 | High confidence |
This family
| US 7,901,629 | this patent Nov 2026 | Nov 2026 |
| US 8,591,816 | Term ended Dec 2023 | Dec 2023 |
| US 8,465,978 | Term ended 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 |
|---|---|---|---|
| Aug 17, 2006 Reel 18134, frame 762 | Calatzis, Andreas; Kruger, Ben; Wittwer, Marc | Infineon Technologies AG | Assignment of Assignor's Interest |
| Aug 17, 2006 Reel 18141, frame 74 | Calatzis, Andreas; Kruger, Ben; Wittwer, Marc | Dynabyte Informationssysteme GmbH | Assignment of Assignor's Interest |
| Jun 29, 2009 Reel 22895, frame 842 | Calatzis, Andreas; Kruger, Ben; Wittwer, Marc | Dynabyte Informationssysteme GmbH | Corrective Assignment to Correct the Name of the Assignee Which Was Incorrectly Stated as "Infineon Technologies Ag" of ST Martin STR. 53, Munich Germany D-81669 Previously Recorded on Reel 018134 Frame 0762. Assignor (S) Hereby Confirms the Assignment. |
| 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.
What's changing
Nov 2026
Term ends Nov 22, 2026. No further fees fall due before then
Note
The 1072 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
100
later US patents cite this one
That is top 10% of utility patents granted in 2011 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.