Also listed on Stmicroelectronics, Inc., which filed it. The recorded assignments below show how it moved.
Term ends May 14, 2029 · High confidence
20-year base term ended Dec 30, 2025
Filed Apr 21, 2008 · Granted Mar 5, 2013
Base term plus 1231 days of PTA
Today
2005
2029
Clock starts
Dec 30, 2005
Dec 30, 2005
Term ends
May 14, 2029
May 14, 2029
Granted
Mar 5, 2013
Mar 5, 2013
base term
patent term adjustment
fee events
Updated Nov 1, 2026 · includes USPTO assignment & status data published Nov 1, 2026 and grant & fee data published Oct 27, 2026 (weekly) · how we know
1,231
Days of term adjustment
Read from the USPTO PTA 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.
2
Applications in this family
Applications sharing this one's continuity chain.
This patent's term runs 1231 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 30, 2005 | Dec 30, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1231 days, USPTO PTA record | May 14, 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 | May 14, 2029 | High confidence |
This family
| US 8,392,884 | this patent May 2029 | May 2029 |
1 of 2 applications in this family shown, earliest filings first.
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 |
|---|---|---|---|
| Apr 21, 2008 Reel 20832, frame 436 | Specchio, Luca; Locanto, Luca | Incard S.A. | Assignment of Assignor's Interest |
| Jun 24, 2013 Reel 30669, frame 257 | Stmicroelectronics N.V. | Stmicroelectronics International N.V. | Assignment of Assignor's Interest |
| Jun 24, 2013 Reel 30669, frame 192 | Incard S.A. | Stmicroelectronics N.V. | Assignment of Assignor's Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
Maintenance fee events come from USPTO's own fee records. USPTO does not publish a per-patent fee page, so there is nothing to link to.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
May 2029
Term ends May 14, 2029. No further fees fall due before then
Note
The 1231 days of PTA are read from the USPTO record, not recalculated by us
Citations
21
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: base rule, PTA, PTE, disclaimer caps, fee overlay, 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.