Term ends Oct 15, 2030 · High confidence
20-year base term ends Oct 1, 2030
Held by Clearwire IP Holdings LLC
Filed Oct 25, 2012 as application 13/660,545 · Granted Sep 9, 2014
Base term plus 14 days of patent term adjustment (USPTO delay)
Today
2010
2030
Clock starts
Oct 1, 2010
Oct 1, 2010
Term ends
Oct 15, 2030
Oct 15, 2030
Granted
Sep 9, 2014
Sep 9, 2014
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
14
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.
4
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 14 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 1, 2010, when application 12/896,494, the earliest non-provisional in its chain, was filed (this one was filed Oct 25, 2012) | Oct 1, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +14 days, USPTO patent term adjustment record | Oct 15, 2030 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Oct 15, 2030 | High confidence |
This family
| US 8,681,660 | In force Dec 2031 | Dec 2031 |
| US 8,908,571 | In force Dec 2031 | Dec 2031 |
| Application PCT/US2011/050639 | PCT application no patent term | no patent term |
| US 8,830,985 | this patent Oct 2030 | Oct 2030 |
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 |
|---|---|---|---|
| Nov 26, 2012 Reel 29346, frame 425 | Xu, Yang; Hart, Michael; Gelbman, Peter; Sava, Herkole | Clear Wireless, LLC | Assignment of Assignor's Interest |
| Nov 26, 2012 Reel 29346, frame 536 | Clear Wireless, LLC | Clearwire Communications LLC | Assignment of Assignor's Interest |
| Nov 26, 2012 Reel 29346, frame 587 | Clearwire Communications LLC | Clearwire IP Holdings LLC | Assignment of Assignor's Interest |
| Feb 15, 2013 Reel 29818, frame 748 | Clearwire Communications | Wilmington Trust National Association | Security Agreement |
| Mar 3, 2017 Reel 41882, frame 875 | Clearwire IP Holdings LLC | Deutsche Bank Trust Company Americas | Grant of First Priority and Junior Priority Security Interest in Patent Rights |
| Apr 1, 2020 Reel 52291, frame 439 | Deutsche Bank Trust Company Americas | Clearwire IP Holdings LLC | Termination and Release of First Priority and Junior Priority Security Interest in Patent Rights |
| Apr 2, 2020 Reel 53182, frame 1 | T-Mobile USA, Inc.; Isbv LLC; T-Mobile Central LLC; LAYER3 TV, Inc.; Pushspring, Inc.; Boost Worldwide, LLC; Clearwire Communications LLC; Clearwire IP Holdings LLC; Clearwire Legacy LLC; Sprint Communications Company L.P.; Sprint International Incorporated; Sprint Spectrum L.P.; Assurance Wireless USA, L.P. | Deutsche Bank Trust Company Americas | Security Agreement |
| Apr 3, 2020 Reel 52312, frame 991 | Wilmington Trust, National Association, as Successor by Merger to Wilmington Trust FSB | Clearwire Communications LLC; Clearwire IP Holdings LLC | Termination and Release of Security Interest in Patents |
| Apr 3, 2020 reel/frame not recorded | Wilmington Trust, National Association, as Successor by Merger to Wilmington Trust FSB | Clearwire Communications LLC | Termination and Release of Security Interest in Patents |
| Apr 3, 2020 reel/frame not recorded | Wilmington Trust, National Association, as Successor by Merger to Wilmington Trust FSB | Clearwire IP Holdings LLC | Termination and Release of Security Interest in Patents |
| Aug 23, 2022 Reel 62595, frame 1 | Deutsche Bank Trust Company Americas | Ibsv LLC; LAYER3 TV, LLC; Pushspring, LLC; T-Mobile Central LLC; T-Mobile USA, Inc.; Assurance Wireless USA, L.P.; Boost Worldwide, LLC; Clearwire Communications LLC; Clearwire IP Holdings LLC; Sprintcom LLC; Sprint Communications Company L.P.; Sprint International Incorporated; Sprint Spectrum LLC | Release of Security Interest |
| Aug 23, 2022 reel/frame not recorded | Deutsche Bank Trust Company Americas | Ibsv LLC | Release of Security Interest |
| Aug 23, 2022 reel/frame not recorded | Deutsche Bank Trust Company Americas | LAYER3 TV, LLC | Release of Security Interest |
| Aug 23, 2022 reel/frame not recorded | Deutsche Bank Trust Company Americas | Pushspring, LLC | Release of Security Interest |
| Aug 23, 2022 reel/frame not recorded | Deutsche Bank Trust Company Americas | T-Mobile Central LLC | Release of Security Interest |
| Aug 23, 2022 reel/frame not recorded | Deutsche Bank Trust Company Americas | T-Mobile USA, Inc. | Release of Security Interest |
| Aug 23, 2022 reel/frame not recorded | Deutsche Bank Trust Company Americas | Assurance Wireless USA, L.P. | Release of Security Interest |
| Aug 23, 2022 reel/frame not recorded | Deutsche Bank Trust Company Americas | Boost Worldwide, LLC | Release of Security Interest |
| Aug 23, 2022 reel/frame not recorded | Deutsche Bank Trust Company Americas | Clearwire Communications LLC | Release of Security Interest |
| Aug 23, 2022 reel/frame not recorded | Deutsche Bank Trust Company Americas | Clearwire IP Holdings LLC | Release of Security Interest |
| Aug 23, 2022 reel/frame not recorded | Deutsche Bank Trust Company Americas | Sprintcom LLC | Release of Security Interest |
| Aug 23, 2022 reel/frame not recorded | Deutsche Bank Trust Company Americas | Sprint Communications Company L.P. | Release of Security Interest |
| Aug 23, 2022 reel/frame not recorded | Deutsche Bank Trust Company Americas | Sprint International Incorporated | Release of Security Interest |
| Aug 23, 2022 reel/frame not recorded | Deutsche Bank Trust Company Americas | Sprint Spectrum 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
Oct 2030
Term ends Oct 15, 2030. No further fees fall due before then
Note
The 14 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
60
later US patents cite this one
That is top 10% of utility patents granted in 2014 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.