Term ends Sep 11, 2030 · Medium confidence
20-year base term ends Sep 10, 2029
Why Medium: A parent in the chain could not be resolved.
Held by Nextnav, LLC
Filed Jun 27, 2012 as application 13/535,128 · Granted May 19, 2015
Base term plus 366 days of patent term adjustment (USPTO delay)
Today
2009
2030
Clock starts
Sep 10, 2009
Sep 10, 2009
Term ends
Sep 11, 2030
Sep 11, 2030
Granted
May 19, 2015
May 19, 2015
base term
patent term adjustment
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
366
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.
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 runs 366 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: Medium. 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 Jun 27, 2012); a parent in its chain could not be resolved (the next row) | Sep 10, 2029 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +366 days, USPTO patent term adjustment record | Sep 11, 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 | Sep 11, 2030 | Medium 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 | In force Sep 2029 | Sep 2029 |
| US 8,643,540 | In force Sep 2029 | Sep 2029 |
| US 9,035,829 | this patent 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 |
|---|---|---|---|
| May 5, 2013 Reel 30351, frame 189 | Krasner, Norman; Raghupathy, Arun; Sendonaris, Andrew | Nextnav, LLC | Assignment of Assignor's Interest |
| Apr 4, 2015 Reel 35335, frame 204 | Sendonaris, Andrew; Krasner, Norman F; Raghupathy, Arun | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Sep 2030
Term ends Sep 11, 2030. No further fees fall due before then
Note
The 366 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
36
later US patents cite this one
That is top 25% of utility patents granted in 2015 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.