Collateral for a security interest recorded Mar 12, 2014 (Wilmington Trust, National Association).
Term ended Aug 17, 2025 · High confidence
20-year base term ended Mar 27, 2023
Held by Optis Wireless Technology, LLC
Filed Jan 9, 2006 as application 10/517,521 · Granted Mar 29, 2011
Base term plus 874 days of patent term adjustment (USPTO delay)
Today
Term ended Aug 17, 2025
2003
2026
Clock starts
Mar 27, 2003
Mar 27, 2003
Term ended
Aug 17, 2025
Aug 17, 2025
Granted
Mar 29, 2011
Mar 29, 2011
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
874
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
This patent's term runs 874 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Mar 27, 2003, when application PCT/JP2003/003789, the earliest non-provisional in its chain, was filed (this one was filed Jan 9, 2006) | Mar 27, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +874 days, USPTO patent term adjustment record | Aug 17, 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 | 3 of 3 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Aug 17, 2025 | High confidence |
This family
| US 7,839,759 | Lapsed on the fee record 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 | this patent 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 |
|---|---|---|---|
| Jan 9, 2006 Reel 17496, frame 656 | Hirano, Jun; Aramaki, Takashi; Inogai, Kazunori | 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 874 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
10
later US patents cite this one
That is above the median of utility patents granted in 2011 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.