Collateral for a security interest recorded Feb 20, 2019 (Shenzhen Xinguodu Technology Co., Ltd.).
Term ends Nov 22, 2026 · High confidence
20-year base term ended Sep 8, 2026
Held by NXP USA, Inc.
Filed Sep 8, 2006 as application 11/530,181 · Granted Apr 15, 2008
Base term plus 75 days of patent term adjustment (USPTO delay)
Today
2006
2026
Clock starts
Sep 8, 2006
Sep 8, 2006
Term ends
Nov 22, 2026
Nov 22, 2026
Granted
Apr 15, 2008
Apr 15, 2008
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
75
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.
This patent's term runs 75 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 Sep 8, 2006, when this application, 11/530,181, was filed | Sep 8, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +75 days, USPTO patent term adjustment record | Nov 22, 2026 | 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 | Nov 22, 2026 | High confidence |
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 8, 2006 Reel 18222, frame 48 | Kase, Kiyoshi; Len, May | Freescale Semiconductor, Inc. | Assignment of Assignor's Interest |
| Feb 2, 2007 Reel 18855, frame 129 | Freescale Semiconductor, Inc.; Freescale Acquisition Corporation; Freescale Acquisition Holdings Corp.; Freescale Holdings (Bermuda) III, Ltd. | Citibank, N.A. as Collateral Agent | Security Agreement |
| Sep 24, 2008 Reel 21570, frame 449 | Freescale Semiconductor, Inc. | Citibank, N.a. | Security Agreement |
| May 13, 2010 Reel 24397, frame 1 | Freescale Semiconductor, Inc. | Citibank, N.A., as Collateral Agent | Security Agreement |
| Jun 18, 2013 Reel 30633, frame 424 | Freescale Semiconductor, Inc. | Citibank, N.A., as Notes Collateral Agent | Security Agreement |
| Nov 6, 2013 Reel 31591, frame 266 | Freescale Semiconductor, Inc. | Citibank, N.A., as Notes Collateral Agent | Security Agreement |
| Dec 21, 2015 Reel 37356, frame 553 | Citibank, N.A., as Collateral Agent | Freescale Semiconductor, Inc. | Patent Release |
| Jan 12, 2016 Reel 37486, frame 517 | Citibank, N.a. | Morgan Stanley Senior Funding, Inc. | Assignment and Assumption of Security Interest in Patents |
| Jan 13, 2016 Reel 37518, frame 292 | Citibank, N.a. | Morgan Stanley Senior Funding, Inc. | Assignment and Assumption of Security Interest in Patents |
| Jun 16, 2016 Reel 39138, frame 1 | Freescale Semiconductor, Inc. | Morgan Stanley Senior Funding, Inc. | Supplement to the Security Agreement |
| Sep 21, 2016 Reel 40925, frame 1 | Morgan Stanley Senior Funding, Inc. | NXP, B.V., F/K/A Freescale Semiconductor, Inc. | Release of Security Interest |
| Nov 7, 2016 Reel 40928, frame 1 | Morgan Stanley Senior Funding, Inc. | NXP B.V. | Release of Security Interest |
| Nov 8, 2016 Reel 40652, frame 180 | Freescale Semiconductor Inc. | NXP USA, Inc. | Change of Name |
| Jan 12, 2017 Reel 41354, frame 148 | Freescale Semiconductor Inc. | NXP USA, Inc. | Corrective Assignment to Correct the Nature of Conveyance Listed Change of Name Should Be Merger and Change Previously Recorded at Reel: 040652 Frame: 0180. Assignor(S) Hereby Confirms the Merger and Change of Name. |
| Feb 1, 2017 Reel 41703, frame 536 | Citibank, N.a. | Morgan Stanley Senior Funding, Inc. | Corrective Assignment to Correct the Remove Patents 8108266 and 8062324 and Replace Them with 6108266 and 8060324 Previously Recorded on Reel 037518 Frame 0292. Assignor(S) Hereby Confirms the Assignment and Assumption of Security Interest in Patents. |
| Feb 20, 2019 Reel 48734, frame 1 | Morgan Stanley Senior Funding, Inc. | Shenzhen Xinguodu Technology Co., Ltd. | Corrective Assignment to Correct the to Correct the Application No. from 13,883,290 to 13,833,290 Previously Recorded on Reel 041703 Frame 0536. Assignor(S) Hereby Confirms the the Assignment and Assumption of Security Interest in Patents.. |
| Sep 10, 2019 Reel 50744, frame 97 | Morgan Stanley Senior Funding, Inc. | NXP B.V. | Release of Security Interest |
| Dec 10, 2019 Reel 53547, frame 421 | Citibank, N.a. | Morgan Stanley Senior Funding, Inc. | Corrective Assignment to Correct the Remove Application 11759915 and Replace It with Application 11759935 Previously Recorded on Reel 037486 Frame 0517. Assignor(S) Hereby Confirms the Assignment and Assumption of Security Interest in Patents. |
| Jan 17, 2020 Reel 52915, frame 1 | Morgan Stanley Senior Funding, Inc. | NXP B.V. | Corrective Assignment to Correct the Remove Application 11759915 and Replace It with Application 11759935 Previously Recorded on Reel 040928 Frame 0001. Assignor(S) Hereby Confirms the Release of Security Interest. |
| Feb 17, 2020 Reel 52917, frame 1 | Morgan Stanley Senior Funding, Inc. | NXP, B.V. F/K/A Freescale Semiconductor, Inc. | Corrective Assignment to Correct the Remove Application 11759915 and Replace It with Application 11759935 Previously Recorded on Reel 040925 Frame 0001. Assignor(S) Hereby Confirms the Release of 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
Nov 2026
Term ends Nov 22, 2026. No further fees fall due before then
Note
The 75 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
18
later US patents cite this one
That is above the median of utility patents granted in 2008 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.