Term ends Nov 17, 2026 · High confidence
20-year base term ended May 20, 2025
Held by Inventio AG
Filed May 20, 2005 as application 11/133,729 · Granted Apr 8, 2008
Base term plus 546 days of patent term adjustment (USPTO delay)
Today
2005
2026
Clock starts
May 20, 2005
May 20, 2005
Term ends
Nov 17, 2026
Nov 17, 2026
Granted
Apr 8, 2008
Apr 8, 2008
base term
patent term adjustment
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
546
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.
23
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 546 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 May 20, 2005, when this application, 11/133,729, was filed | May 20, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +546 days, USPTO patent term adjustment record | Nov 17, 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 17, 2026 | High confidence |
This family
| US 6,863,160 | Lapsed on the fee record Mar 2017 | Mar 2017 |
| US 7,207,550 | Lapsed on the fee record Apr 2011 | Apr 2011 |
| US 7,185,482 | Lapsed on the fee record Mar 2015 | Mar 2015 |
| US 7,128,190 | Term ended no later than Jan 2025 | no later than Jan 2025 |
| US 7,182,174 | Term ended Jul 2024 | Jul 2024 |
| US 7,201,256 | Term ended Sep 2023 | Sep 2023 |
| US 7,237,655 | Lapsed on the fee record Jul 2015 | Jul 2015 |
| US 7,322,445 | Term ended Dec 2024 | Dec 2024 |
8 of 23 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 20, 2005 Reel 16590, frame 167 | Angst, Philipp | Inventio AG | 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 17, 2026. No further fees fall due before then
Note
The 546 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
27
later US patents cite this one
That is above the median of utility patents granted in 2008 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.