Lapsed Aug 18, 2019 on the fee record · High confidence
20-year base term ends May 29, 2032
First maintenance fee unpaid; grace period ended.
Held by Alcatel Lucent
Filed Sep 4, 2012 as application 13/602,505 · Granted Aug 18, 2015
Base term, 20 years from filing, plus 334 days of patent term adjustment (USPTO delay)
Today
Lapsed Aug 18, 2019
2012
2033
Clock starts
May 29, 2012
May 29, 2012
No longer in force
Aug 18, 2019
Aug 18, 2019
Granted
Aug 18, 2015
Aug 18, 2015
Term would have run to
Apr 28, 2033
Apr 28, 2033
base term
patent term adjustment
after the term ends
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
334
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
18
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 28, 2033: its 20-year base term plus 334 days of term 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 May 29, 2012, when applications 13/482,597 and 13/482,690, the earliest non-provisional applications in its chain, were filed (this one was filed Sep 4, 2012) | May 29, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +334 days, USPTO patent term adjustment record | Apr 28, 2033 | 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 | 0 of 3 maintenance fees paid | lapsed Aug 18, 2019 | High confidence |
| Computed term end | The steps above, in order | Aug 18, 2019 | High confidence |
This family
| US 8,804,931 | Lapsed on the fee record Aug 2026 | Aug 2026 |
| US 8,797,902 | Lapsed on the fee record Aug 2026 | Aug 2026 |
| Application 13/482,690 | Abandoned not computed | not computed |
| US 8,929,238 | In force Jun 2032 | Jun 2032 |
| US 8,923,204 | Lapsed on the fee record Dec 2022 | Dec 2022 |
| US 8,850,064 | In force Nov 2032 | Nov 2032 |
| US 9,112,800 | this patent Aug 2019 | Aug 2019 |
| US 9,172,610 | Lapsed on the fee record Oct 2019 | Oct 2019 |
8 of 18 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Sep 4, 2012 Reel 28891, frame 941 | Mann, Robert A.; Jorgensen, Peter K.; Jaakkola, Darryl W. | Alcatel-Lucent Canada Inc. | Assignment of Assignor's Interest |
| Jan 30, 2013 Reel 29826, frame 927 | Alcatel-Lucent Canada Inc. | Credit Suisse AG | Security Interest |
| Oct 16, 2013 Reel 31414, frame 216 | Alcatel-Lucent Canada Inc. | Alcatel Lucent | Assignment of Assignor's Interest |
| Sep 4, 2014 Reel 33686, frame 798 | Credit Suisse AG | Alcatel-Lucent Canada Inc. | 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 334 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
4
later US patents cite this one
That is below the median of utility patents granted in 2015 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.