Term ends Sep 10, 2029 · High confidence
20-year base term ends Sep 10, 2029
Held by Nextnav, LLC
Filed Mar 5, 2012 as application 13/412,487 · Granted Jan 14, 2014
Base term, 20 years from filing
Today
2009
2029
Clock starts
Sep 10, 2009
Sep 10, 2009
Term ends
Sep 10, 2029
Sep 10, 2029
Granted
Jan 14, 2014
Jan 14, 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
None
Term adjustment
No prosecution delay on this record.
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.
37
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 is its 20-year base term, with no adjustment for 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 Sep 10, 2009, when application 12/557,479, the earliest non-provisional in its chain, was filed (this one was filed Mar 5, 2012) | Sep 10, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 | Sep 10, 2029 | High confidence |
This family
| US 8,130,141 | In force Feb 2030 | Feb 2030 |
| US 9,057,606 | In force Jun 2031 | Jun 2031 |
| US 8,629,803 | this patent Sep 2029 | Sep 2029 |
| US 8,643,540 | In force Sep 2029 | Sep 2029 |
| US 9,035,829 | In force Sep 2030 | Sep 2030 |
| Application PCT/US2012/044719 | PCT application no patent term | no patent term |
| US 9,119,165 | In force Feb 2031 | Feb 2031 |
| US 8,917,209 | In force Aug 2030 | Aug 2030 |
8 of 37 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 |
|---|---|---|---|
| Dec 21, 2012 Reel 29522, frame 57 | Pattabiraman, Ganesh; Meiyappan, Subramanian; Raghupathy, Arun; Sankar, Hari | Nextnav, LLC | Assignment of Assignor's Interest |
| Dec 27, 2019 Reel 51433, frame 692 | Nextnav, LLC; Progeny LMS, LLC | Fortress Credit Corp., as Agent | Assignment for Security -- Patents |
| Oct 29, 2021 Reel 57973, frame 636 | Fortress Credit Corp. | Nextnav, LLC | Release of Security Interest |
| Apr 1, 2025 Reel 70691, frame 909 | Nextnav Inc.; Nextnav Holdings, LLC; Nextnav Intermediate Holdco, LLC; Progeny LMS, LLC; Commlabs, Inc. | Glas Trust Company LLC | Security Interest |
| Jul 24, 2026 Reel 76062, frame 701 | Glas Trust Company LLC | Nextnav Inc.; Nextnav Holdings, LLC; Nextnav Intermediate Holdco, LLC; Progeny LMS, LLC; Commlabs, Inc. | Release of Security Interest |
| Jul 24, 2026 reel/frame not recorded | Glas Trust Company LLC | Nextnav Inc. | Release of Security Interest |
| Jul 24, 2026 reel/frame not recorded | Glas Trust Company LLC | Nextnav Holdings, LLC | Release of Security Interest |
| Jul 24, 2026 reel/frame not recorded | Glas Trust Company LLC | Nextnav Intermediate Holdco, LLC | Release of Security Interest |
| Jul 24, 2026 reel/frame not recorded | Glas Trust Company LLC | Progeny LMS, LLC | Release of Security Interest |
| Jul 24, 2026 reel/frame not recorded | Glas Trust Company LLC | Commlabs, 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
Sep 2029
Term ends Sep 10, 2029. No further fees fall due before then
Citations
30
later US patents cite this one
That is top 25% 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.