Collateral for a security interest recorded Jul 28, 2025 (Blue Torch Finance LLC).
Term ends Jul 27, 2037 · High confidence
20-year base term ends Jul 27, 2037
Held by Argyle Data, Inc.
Filed Jul 27, 2017 as application 15/661,531 · Granted Aug 7, 2018
Base term, 20 years from filing
Today
2017
2037
Clock starts
Jul 27, 2017
Jul 27, 2017
Term ends
Jul 27, 2037
Jul 27, 2037
Granted
Aug 7, 2018
Aug 7, 2018
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.
2 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.
This patent's term is its 20-year base term, with no adjustment for prosecution delay. 2 of 3 maintenance fees are paid so far. 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 27, 2017, when this application, 15/661,531, was filed | Jul 27, 2037 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 27, 2037 | High confidence |
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 |
|---|---|---|---|
| Jul 27, 2017 Reel 43119, frame 538 | Stapleton, Padraig | Argyle Data, Inc. | Assignment of Assignor's Interest |
| Jan 17, 2018 Reel 44644, frame 976 | Staub, David | Argyle Data, Inc. | Assignment of Assignor's Interest |
| May 14, 2018 Reel 46139, frame 274 | Argyle Data, Inc. | Goldman Sachs Lending Partners LLC, as Collateral Agent | Grant of Security Interest in Patents |
| Aug 18, 2021 Reel 57221, frame 847 | Argyle Data, Inc. | Jpmorgan Chase Bank, N.a. | Security Agreement |
| Aug 18, 2021 Reel 57222, frame 462 | Goldman Sachs Lending Partners LLC, as Collateral Agent | Argyle Data, Inc. | Termination and Release of Security Interest in Patent Collateral - Release of 046139.0274 |
| Jul 13, 2022 Reel 60640, frame 85 | Argyle Data, Inc. | Jpmorgan Chase Bank, N.a. | Security Agreement |
| May 29, 2024 Reel 67554, frame 526 | Argyle Data, Inc. | Wilmington Savings Fund Society, FSB | Security Interest |
| Aug 30, 2024 Reel 68453, frame 451 | Argyle Data, Inc. | Wilmington Savings Fund Society, FSB | Security Interest |
| Oct 4, 2024 Reel 69116, frame 31 | Wilmington Savings Fund Society, FSB | Argyle Data, Inc. | Release of Security Interest Recorded at R/F 068453/0451 |
| Oct 4, 2024 Reel 69116, frame 93 | Argyle Data, Inc. | Glas USA LLC | Intellectual Property Security Agreement |
| Jul 28, 2025 Reel 72268, frame 439 | Mavenir Networks, Inc.; Mavenir Systems, Inc.; Argyle Data, Inc.; Mavenir, Inc.; Aquto Corporation; Mavenir Ipa UK Limited; Mavenir Systems UK Limited; Mavenir Ltd.; Mavenir US Inc. | Blue Torch Finance LLC | Security Interest |
| Jul 29, 2025 Reel 72245, frame 764 | Mavenir Networks, Inc.; Mavenir Systems, Inc.; Argyle Data, Inc.; Mavenir, Inc.; Aquto Corporation; Mavenir Ipa UK Limited; Mavenir Systems UK Limited; Mavenir Ltd.; Mavenir US Inc. | Glas USA LLC | Grant of Security Interest - Patents |
| Jul 29, 2025 Reel 72262, frame 323 | Jpmorgan Chase Bank, N.a. | Argyle Data, Inc. | Release (REEL 060640 / Frame 0085) |
| Jul 29, 2025 Reel 72262, frame 337 | Jpmorgan Chase Bank, N.a. | Argyle Data, Inc. | Release (REEL 057221 / Frame 0847) |
| Jul 29, 2025 Reel 72263, frame 36 | Wilmington Savings Fund Society, FSB | Argyle Data, Inc. | Release of Security Interest in Collateral Recorded at Reel 067554 and Frame 0526 |
| Jul 31, 2025 Reel 72306, frame 567 | Glas USA LLC | Argyle Data, Inc. | Release of Security Interest in Additional Collateral Recorded at Reel 069116 and Frame 0093 |
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
Jul 2037
Term ends Jul 27, 2037. Maintenance fees still fall due before then
Citations
43
later US patents cite this one
That is top 10% of utility patents granted in 2018 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.