Also listed on Infineon AG, which filed it. The recorded assignments below show how it moved.
Term ends Dec 16, 2028 · High confidence
Statutory term ends Oct 1, 2027
Filed Oct 1, 2007 · Granted Jan 10, 2012
Base term plus 442 days of PTA
Today
2007
2028
Clock starts
Oct 1, 2007
Oct 1, 2007
Term ends
Dec 16, 2028
Dec 16, 2028
Granted
Jan 10, 2012
Jan 10, 2012
base term
patent term adjustment
fee events
Updated Oct 13, 2026 · includes USPTO assignment data published Oct 12, 2026, status data published Oct 13, 2026 and grant & fee data published Oct 13, 2026 (weekly) · how we know
442
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.
37
Applications in this family
Applications sharing this one's continuity chain.
This patent's term runs 442 days past the statutory base term on prosecution delay. All three maintenance fees are paid, so nothing but the term itself will end it. 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 Oct 1, 2007 | Oct 1, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +442 days, USPTO PTA record | Dec 16, 2028 | 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 16, 2028 | High confidence |
This family
| US 8,111,577 | In force Jan 2028 | Jan 2028 |
| Application 11/859,547 | Abandoned not computed | not computed |
| US 8,092,083 | this patent Dec 2028 | Dec 2028 |
| Application 11/963,661 | Abandoned not computed | not computed |
| US 8,026,739 | In force Jan 2028 | Jan 2028 |
| US 7,737,724 | In force Dec 2027 | Dec 2027 |
| Application 11/967,243 | Abandoned not computed | not computed |
| Application 11/967,240 | Abandoned not computed | not computed |
8 of 37 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 |
|---|---|---|---|
| Oct 1, 2007 Reel 19904, frame 966 | Venkataraman, Garthik; Kutz, Harold; Mar, Monte | Cypress Semiconductor Corporation | Assignment of Assignor's Interest |
| Mar 21, 2015 Reel 35240, frame 429 | Cypress Semiconductor Corporation; Spansion LLC | Morgan Stanley Senior Funding, Inc. | Security Interest |
| Oct 28, 2019 Reel 50896, frame 366 | Morgan Stanley Senior Funding, Inc. | Mufg Union Bank, N.a. | Assignment and Assumption of Security Interest in Intellectual Property |
| Nov 3, 2020 Reel 58002, frame 470 | Cypress Semiconductor Corporation; Spansion LLC | Morgan Stanley Senior Funding, Inc. | Corrective Assignment to Correct the 8647899 Previously Recorded on Reel 035240 Frame 0429. Assignor(S) Hereby Confirms the Security Interst. |
| Mar 16, 2022 Reel 59410, frame 438 | Mufg Union Bank, N.a. | Cypress Semiconductor Corporation; Spansion LLC | Release of Security Interest |
| Mar 16, 2022 reel/frame not recorded | Mufg Union Bank, N.a. | Cypress Semiconductor Corporation | Release of Security Interest |
| Mar 16, 2022 reel/frame not recorded | Mufg Union Bank, N.a. | Spansion LLC | Release of Security Interest |
| May 16, 2025 Reel 71299, frame 161 | Monterey Research LLC | Southfork IP Holdings LLC | Assignment of Assignor's Interest |
| Jul 28, 2025 Reel 71853, frame 831 | Southfork IP Holdings LLC | Induction Devices LLC | Assignment of Assignor's Interest |
| Nov 14, 2025 Reel 73571, frame 456 | Cypress Semiconductor Corporation | Infineon Technologies Americas Corp. | Merger |
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
Dec 2028
Term ends Dec 16, 2028. No further fees fall due before then
Note
The 442 days of PTA are read from the USPTO record, not recalculated by us
Citations
15
later US patents cite this one
Fewer than half of the utility patents granted in 2012 in our data have been cited yet, so we show the count and do not rank on it.
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.