Term ends Dec 6, 2029 · High confidence
20-year base term ended Jul 20, 2026
Held by Stmicroelectronics S.R.L.
Filed Mar 14, 2008 as application 12/077,073 · Granted Apr 30, 2013
Base term plus 1235 days of patent term adjustment (USPTO delay)
Today
2006
2029
Clock starts
Jul 20, 2006
Jul 20, 2006
Term ends
Dec 6, 2029
Dec 6, 2029
Granted
Apr 30, 2013
Apr 30, 2013
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
1,235
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.
8
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 1235 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 Jul 20, 2006, when application PCT/US2006/028256, the earliest non-provisional in its chain, was filed (this one was filed Mar 14, 2008) | Jul 20, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1235 days, USPTO patent term adjustment record | Dec 6, 2029 | 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 | Dec 6, 2029 | High confidence |
This family
| US 7,802,172 | In force Jul 2029 | Jul 2029 |
| Application PCT/US2006/028256 | PCT application no patent term | no patent term |
| US 8,351,529 | In force Mar 2029 | Mar 2029 |
| US 8,432,987 | this patent Dec 2029 | Dec 2029 |
| US 9,231,794 | In force Oct 2028 | Oct 2028 |
| US 9,014,253 | Term ended Jul 2026 | Jul 2026 |
| US 9,025,689 | Term ended no later than Jul 2026 | no later than Jul 2026 |
7 of 8 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 22, 2008 Reel 20988, frame 395 | Siti, Massimiliano; Tomasoni, Alessandro; Ferrari, Marco Pietro; Bellini, Sandro; Volpatti, Oscar | Stmicroelectronics S.R.L.; Politecnico Di Milano | Assignment of Assignor's Interest |
| May 22, 2008 reel/frame not recorded | Siti, Massimiliano; Bellini, Sandro; Ferrari, Marco Pietro; Tomasoni, Alessandro; Volpatti, Oscar | Stmicroelectronics S.R.L. | Assignment of Assignor's Interest |
| May 22, 2008 reel/frame not recorded | Siti, Massimiliano; Bellini, Sandro; Ferrari, Marco Pietro; Tomasoni, Alessandro; Volpatti, Oscar | Politecnico Di Milano | Assignment of Assignor's Interest |
| Jan 26, 2012 Reel 27603, frame 274 | Politecnico Di Milano | Stmicroelectronics S.R.L. | 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
Dec 2029
Term ends Dec 6, 2029. No further fees fall due before then
Note
The 1235 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
25
later US patents cite this one
That is top 25% 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.