Collateral for a security interest recorded Mar 12, 2014 (Wilmington Trust, National Association).
Lapsed Nov 23, 2018 on the fee record · High confidence
20-year base term ended Jul 5, 2022
Second maintenance fee unpaid; grace period ended.
Held by Optis Wireless Technology, LLC
Filed Jun 16, 2003 as application 10/450,566 · Granted Nov 23, 2010
Base term, 20 years from filing, plus 1268 days of patent term adjustment (USPTO delay)
Today
Lapsed Nov 23, 2018
2002
2026
Clock starts
Jul 5, 2002
Jul 5, 2002
No longer in force
Nov 23, 2018
Nov 23, 2018
Granted
Nov 23, 2010
Nov 23, 2010
Term would have run to
Dec 24, 2025
Dec 24, 2025
base term
patent term adjustment
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
1,268
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
204
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 24, 2025: its 20-year base term plus 1268 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 Jul 5, 2002, when application PCT/JP2002/006873, the earliest non-provisional in its chain, was filed (this one was filed Jun 16, 2003) | Jul 5, 2022 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1268 days, USPTO patent term adjustment record | Dec 24, 2025 | 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 Nov 23, 2018 | High confidence |
| Computed term end | The steps above, in order | Nov 23, 2018 | High confidence |
This family
| US 7,839,759 | this patent Nov 2018 | Nov 2018 |
| US 7,460,502 | Term ended Feb 2025 | Feb 2025 |
| US 7,564,902 | Term ended Oct 2025 | Oct 2025 |
| US 7,610,630 | Lapsed on the fee record Oct 2021 | Oct 2021 |
| US 7,570,626 | Term ended Sep 2024 | Sep 2024 |
| US 7,738,774 | In force Mar 2027 | Mar 2027 |
| US 7,916,770 | Lapsed on the fee record Mar 2019 | Mar 2019 |
| US 7,916,674 | Term ended Aug 2025 | Aug 2025 |
8 of 204 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 |
|---|---|---|---|
| Jun 16, 2003 Reel 14577, frame 861 | Sumasu, Atsushi; Sudo, Hiroaki | Matsushita Electric Industrial Co., Ltd. | Assignment of Assignor's Interest |
| Nov 21, 2008 Reel 21897, frame 624 | Matsushita Electric Industrial Co., Ltd. | Panasonic Corporation | Change of Name |
| Jan 24, 2014 Reel 32180, frame 115 | Optis Wireless Technology, LLC | Highbridge Principal Strategies, LLC, as Collateral Agent | Lien |
| Feb 23, 2014 Reel 32326, frame 707 | Panasonic Corporation | Optis Wireless Technology, LLC | Assignment of Assignor's Interest |
| Mar 12, 2014 Reel 32437, frame 638 | Optis Wireless Technology, LLC | Wilmington Trust, National Association | Security Interest |
| Jul 15, 2016 Reel 39361, frame 1 | HPS Investment Partners, LLC | Optis Wireless Technology, LLC | 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
Note
The 1268 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
6
later US patents cite this one
That is below the median of utility patents granted in 2010 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.