Term ends Jul 7, 2030 · High confidence
20-year base term ends Mar 31, 2030
Held by Teknologian Tutkimuskeskus VTT
Filed Sep 22, 2011 as application 13/258,471 · Granted Jul 29, 2014
Base term plus 98 days of patent term adjustment (USPTO delay)
Today
2010
2030
Clock starts
Mar 31, 2010
Mar 31, 2010
Term ends
Jul 7, 2030
Jul 7, 2030
Granted
Jul 29, 2014
Jul 29, 2014
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
98
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.
30
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 98 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 Mar 31, 2010, when application PCT/FI2010/050258, the earliest non-provisional in its chain, was filed (this one was filed Sep 22, 2011) | Mar 31, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +98 days, USPTO patent term adjustment record | Jul 7, 2030 | 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 | Jul 7, 2030 | High confidence |
This family
| US 8,792,100 | this patent Jul 2030 | Jul 2030 |
| US 8,847,925 | Lapsed on the fee record Sep 2018 | Sep 2018 |
| US 9,235,043 | In force Mar 2033 | Mar 2033 |
| Application 13/320,265 | Abandoned not computed | not computed |
| US 8,995,044 | In force Mar 2031 | Mar 2031 |
| US 8,786,836 | In force Apr 2031 | Apr 2031 |
| Application 13/502,134 | Abandoned not computed | not computed |
| US 8,923,994 | In force Nov 2030 | Nov 2030 |
8 of 30 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 |
|---|---|---|---|
| Sep 22, 2011 Reel 26945, frame 682 | Saari, Heikki; Holmlund, Christer; Kantojarvi, Uula; Mannila, Rami; Lamminpaa, Antti; Tepploa, Pekka | Teknologian Tutkimuskeskus VTT | Assignment of Assignor's Interest |
| Jul 6, 2014 Reel 33246, frame 640 | Saari, Heikki; Holmlund, Christer; Kantojarvi, Uula; Mannila, Rami; Lamminpaa, Antti; Teppola, Pekka | Teknologian Tutkimuskeskus VTT | 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
Jul 2030
Term ends Jul 7, 2030. No further fees fall due before then
Note
The 98 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
10
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.