Collateral for a security interest recorded May 15, 2024 (U.S. Bank National Association).
Term ends Apr 3, 2029 · High confidence
20-year base term ends Nov 28, 2028
Held by Ixys CH GmbH
Filed Nov 11, 2014 as application 14/538,383 · Granted Jul 18, 2017
Base term plus 126 days of patent term adjustment (USPTO delay)
Today
2008
2029
Clock starts
Nov 28, 2008
Nov 28, 2008
Term ends
Apr 3, 2029
Apr 3, 2029
Granted
Jul 18, 2017
Jul 18, 2017
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
126
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. 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 126 days past its 20-year base term on prosecution delay. 2 of 2 maintenance fees are paid so far. 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 Nov 28, 2008, when application 12/315,169, the earliest non-provisional in its chain, was filed (this one was filed Nov 11, 2014) | Nov 28, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +126 days, USPTO patent term adjustment record | Apr 3, 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 | 2 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 3, 2029 | High confidence |
This family
| US 8,427,356 | In force Apr 2031 | Apr 2031 |
| US 8,941,531 | In force Nov 2028 | Nov 2028 |
| US 9,712,875 | this patent Apr 2029 | Apr 2029 |
| US 10,462,525 | In force Jun 2029 | Jun 2029 |
| US 11,184,674 | In force Apr 2029 | Apr 2029 |
| US 11,736,770 | In force Nov 2028 | Nov 2028 |
| US 12,316,915 | In force no later than Nov 2028 | no later than Nov 2028 |
| Application 19/207,554 | Pending not computed | not computed |
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 |
|---|---|---|---|
| Nov 11, 2014 Reel 34147, frame 583 | Ixys CH GmbH | Uei Cayman Inc. | Nunc Pro Tunc Assignment |
| Apr 29, 2016 Reel 38416, frame 581 | C.G. Development Limited; Uei Cayman Inc. | Universal Electronics Inc. | Assignment of Assignor's Interest |
| Jun 14, 2021 Reel 56531, frame 94 | Satish, Ramaiah | Zilog, Inc. | Assignment of Assignor's Interest |
| Jun 14, 2021 Reel 56561, frame 491 | Zilog, Inc. | Ixys CH GmbH | Assignment of Assignor's Interest |
| Jun 14, 2021 Reel 56531, frame 664 | Uei Cayman Inc. | C.G. Development Limited | Assignment of Assignor's Interest |
| Jun 28, 2021 Reel 56697, frame 864 | Satish, Ramaiah | Zilog, Inc. | Corrective Assignment to Correct the Patent Number 9712815 Previously Recorded on Reel 056531 Frame 0094. Assignor(S) Hereby Confirms the Assignment. |
| Jun 28, 2021 Reel 56697, frame 722 | Zilog, Inc. | Ixys CH GmbH | Corrective Assignment to Correct the Patent Number 971285 Previously Recorded on Reel 056561 Frame 0491. Assignor(S) Hereby Confirms the Assignment. |
| May 15, 2024 Reel 67417, frame 402 | Universal Electronics Inc. | U.S. Bank National Association | Security 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
Apr 2029
Term ends Apr 3, 2029. No further fees fall due before then
Note
The 126 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2017 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.