Term ends Oct 28, 2028 · High confidence
20-year base term ends Oct 28, 2028
Held by Optis Wireless Technology, LLC
Filed Feb 26, 2015 as application 14/632,483 · Granted Jan 31, 2017
Base term plus 24 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2008
2028
Clock starts
Oct 28, 2008
Oct 28, 2008
Term ends
Oct 28, 2028
Oct 28, 2028
Granted
Jan 31, 2017
Jan 31, 2017
base term
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
24
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 8,526,376, US 8,897,250.
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 24 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Oct 28, 2008, when application PCT/JP2008/003070, the earliest non-provisional in its chain, was filed (this one was filed Feb 26, 2015) | Oct 28, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +24 days, USPTO patent term adjustment record | Nov 21, 2028 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,526,376, US 8,897,250) | capped to Oct 28, 2028 | 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 | Oct 28, 2028 | High confidence |
This family
| US 8,526,376 | In force Jun 2029 | Jun 2029 |
| US 8,897,250 | In force Oct 2028 | Oct 2028 |
| US 9,014,132 | In force Oct 2028 | Oct 2028 |
| US 9,559,825 | this patent Oct 2028 | Oct 2028 |
| US 10,419,190 | In force Oct 2028 | Oct 2028 |
| US 11,070,342 | In force Oct 2028 | Oct 2028 |
| Application 17/371,269 | Abandoned not computed | not computed |
7 of 8 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 |
|---|---|---|---|
| Jul 15, 2016 Reel 39361, frame 1 | HPS Investment Partners, LLC | Optis Wireless Technology, LLC | Release of Security Interest |
| Nov 12, 2017 Reel 44099, frame 149 | Nakao, Seigo; Nishio, Akihiko | Panasonic Corporation | Assignment of Assignor's Interest |
| Nov 13, 2017 Reel 44111, frame 544 | Panasonic Corporation | Panasonic Intellectual Property Corporation of America | Assignment of Assignor's Interest |
| Nov 13, 2017 Reel 44111, frame 702 | Panasonic Intellectual Property Corporation of America | Optis Wireless Technology, LLC | 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
Oct 2028
Term ends Oct 28, 2028. No further fees fall due before then
Note
The 24 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 8,526,376, US 8,897,250.
Citations
4
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.