Lapsed Feb 2, 2024 on the fee record · High confidence
20-year base term ends Apr 11, 2027
Second maintenance fee unpaid; grace period ended.
Held by Longitude Licensing Limited
Filed Jul 2, 2012 as application 13/540,233 · Granted Feb 2, 2016
Base term, 20 years from filing, plus 626 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Lapsed Feb 2, 2024
2007
2027
Clock starts
Apr 11, 2007
Apr 11, 2007
No longer in force
Feb 2, 2024
Feb 2, 2024
Granted
Feb 2, 2016
Feb 2, 2016
Term would have run to
Apr 11, 2027
Apr 11, 2027
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
626
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 7,808,093, US 8,247,896.
1 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.
3
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 Apr 11, 2027: its 20-year base term plus 626 days of term adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Apr 11, 2007, when application 11/734,054, the earliest non-provisional in its chain, was filed (this one was filed Jul 2, 2012) | Apr 11, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +626 days, USPTO patent term adjustment record | Dec 27, 2028 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,808,093, US 8,247,896) | capped to Apr 11, 2027 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 2 maintenance fees paid | lapsed Feb 2, 2024 | High confidence |
| Computed term end | The steps above, in order | Feb 2, 2024 | High confidence |
This family
| US 7,808,093 | In force Nov 2028 | Nov 2028 |
| US 8,247,896 | Lapsed on the fee record Aug 2024 | Aug 2024 |
| US 9,252,125 | this patent Feb 2024 | Feb 2024 |
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 |
|---|---|---|---|
| Jul 29, 2013 Reel 32414, frame 261 | PS4 Luxco S.A.R.L. | Elpida Memory Inc. | Security Agreement |
| May 15, 2014 Reel 32900, frame 568 | Elpida Memory, Inc. | PS4 Luxco S.A.R.L. | Assignment of Assignor's Interest |
| Aug 24, 2016 Reel 39793, frame 880 | PS5 Luxco S.A.R.L. | Longitude Semiconductor S.A.R.L. | Change of Name |
| Aug 24, 2016 Reel 39818, frame 506 | PS4 Luxco S.A.R.L. | PS5 Luxco S.A.R.L. | Assignment of Assignor's Interest |
| Aug 21, 2018 Reel 46867, frame 248 | Longitude Semiconductor S.A.R.L. | Longitude Licensing Limited | Assignment of Assignor's 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 626 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 7,808,093, US 8,247,896.
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2016 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.