Lapsed Jul 22, 2022 on the fee record · High confidence
20-year base term ends Dec 7, 2032
Second maintenance fee unpaid; grace period ended.
Filed Dec 7, 2012 as application 13/707,895 · Granted Jul 22, 2014
Base term, 20 years from filing
Today
Lapsed Jul 22, 2022
2012
2032
Clock starts
Dec 7, 2012
Dec 7, 2012
No longer in force
Jul 22, 2022
Jul 22, 2022
Granted
Jul 22, 2014
Jul 22, 2014
Term would have run to
Dec 7, 2032
Dec 7, 2032
base term
after the term ends
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
4
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Dec 7, 2032: its 20-year base term, with no adjustment for prosecution delay. 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 7, 2012, when this application, 13/707,895, was filed | Dec 7, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 | 1 of 3 maintenance fees paid | lapsed Jul 22, 2022 | High confidence |
| Computed term end | The steps above, in order | Jul 22, 2022 | High confidence |
This family
| US 8,786,023 | this patent Jul 2022 | Jul 2022 |
| US 9,054,031 | In force Dec 2032 | Dec 2032 |
| US 9,431,460 | Lapsed on the fee record Aug 2024 | Aug 2024 |
| US 9,812,503 | In force Dec 2032 | Dec 2032 |
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 |
|---|---|---|---|
| Jan 8, 2013 Reel 29584, frame 217 | Shepard, Daniel R.; Apodaca, Mac D.; Trent, Thomas Michael; Hsu, James Juen | Contour Semiconductor, Inc. | Assignment of Assignor's Interest |
| Jan 18, 2013 Reel 29659, frame 615 | Contour Semiconductor, Inc. | American Capital, Ltd.; Still River Fund III, Limited Partnership; Running Deer Trust; Running Deer Foundation; Sarah G. Kurzon 2001 Revocable Trust; Perrin, Donald | Security Agreement |
| Jan 18, 2013 reel/frame not recorded | Contour Semiconductor, Inc. | American Capital, Ltd. | Security Agreement |
| Jan 18, 2013 reel/frame not recorded | Contour Semiconductor, Inc. | Still River Fund III, Limited Partnership | Security Agreement |
| Jan 18, 2013 reel/frame not recorded | Contour Semiconductor, Inc. | Running Deer Trust | Security Agreement |
| Jan 18, 2013 reel/frame not recorded | Contour Semiconductor, Inc. | Running Deer Foundation | Security Agreement |
| Jan 18, 2013 reel/frame not recorded | Contour Semiconductor, Inc. | Sarah G. Kurzon 2001 Revocable Trust | Security Agreement |
| Jan 18, 2013 reel/frame not recorded | Contour Semiconductor, Inc. | Perrin, Donald | Security Agreement |
| May 30, 2014 Reel 33063, frame 617 | Contour Semiconductor, Inc. | American Capital, Ltd. | Security Interest |
| Jun 20, 2014 Reel 33204, frame 428 | Contour Semiconductor, Inc. | American Capital, Ltd.; Still River Fund III, Limited Partnership; Sarah G. Kurzon 2001 Revocable Trust; Ovonyx, Inc.; Perrin, Donald; Running Deer Foundation; Running Deer Trust | Security Interest |
| Jun 20, 2014 reel/frame not recorded | Contour Semiconductor, Inc. | American Capital, Ltd. | Security Interest |
| Jun 20, 2014 reel/frame not recorded | Contour Semiconductor, Inc. | Still River Fund III, Limited Partnership | Security Interest |
| Jun 20, 2014 reel/frame not recorded | Contour Semiconductor, Inc. | Sarah G. Kurzon 2001 Revocable Trust | Security Interest |
| Jun 20, 2014 reel/frame not recorded | Contour Semiconductor, Inc. | Ovonyx, Inc. | Security Interest |
| Jun 20, 2014 reel/frame not recorded | Contour Semiconductor, Inc. | Perrin, Donald | Security Interest |
| Jun 20, 2014 reel/frame not recorded | Contour Semiconductor, Inc. | Running Deer Foundation | Security Interest |
| Jun 20, 2014 reel/frame not recorded | Contour Semiconductor, Inc. | Running Deer Trust | Security Interest |
| Jun 24, 2014 Reel 33225, frame 330 | American Capital, Ltd. | Contour Semiconductor, Inc. | Release of Security Interest |
| May 15, 2015 Reel 35685, frame 571 | American Capital, Ltd.; Still River Fund III, Limited Partnership; Sarah G. Kurzon 2001 Revocable Trust; Ovonyx, Inc.; Perrin, Donald; Running Deer Foundation; Running Deer Trust | Contour Semiconductor, Inc. | Release of Security Interest |
| May 20, 2015 Reel 35749, frame 956 | American Capital, Ltd.; Still River Fund III, Limited Partnership; Sarah G. Kurzon 2001 Revocable Trust; Ovonyx, Inc.; Perrin, Donald; Running Deer Foundation; Running Deer Trust | Contour Semiconductor, Inc. | Release of Security Interest |
| May 21, 2015 Reel 35748, frame 909 | Contour Semiconductor, Inc. | HGST Netherlands B.V. | Assignment of Assignor's Interest |
| Jun 2, 2015 Reel 35831, frame 594 | Contour Semiconductor, Inc. | HGST, Inc. | Corrective Assignment to Correct the Name and Address of the Assignee Previously Recorded on Reel 035748 Frame 0909. Assignor(S) Hereby Confirms the Name and Address of the Assignee Si HGST, INC.,3403 Yerba Buena Road,san Jose, Ca 95135. |
| Jul 19, 2016 Reel 39389, frame 684 | HGST, Inc. | JPMorgan Chase Bank, N.A., as Collateral Agent | Security Agreement |
| Aug 16, 2016 Reel 39689, frame 950 | JPMorgan Chase Bank, N.A., as Collateral Agent | HGST, Inc. | Release of Security Interest |
| Aug 24, 2018 Reel 46939, frame 587 | HGST, Inc. | Western Digital Technologies, Inc. | Assignment of Assignor's Interest |
| Feb 8, 2022 Reel 58965, frame 535 | Jpmorgan Chase Bank, N.a. | Western Digital Technologies, Inc. | Release of Security Interest at Reel 039389 Frame 0684 |
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.
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Alerts on its grants, lapses and transfers.
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2014 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.