Collateral for a security interest recorded Jun 30, 2025 (UBS AG, Stamford Branch).
Term ends Mar 15, 2030 · Low confidence
20-year base term ends Mar 15, 2030
Grace period ended Nov 6, 2026 · no payment on record as of the Nov 10, 2026 fee file · lapse expected
Held by Sonicwall US Holdings Inc.
Filed May 19, 2017 as application 15/600,038 · Granted Nov 6, 2018
Base term, 20 years from filing
Today
2010
2030
Clock starts
Mar 15, 2010
Mar 15, 2010
Term ends
Mar 15, 2030
Mar 15, 2030
Granted
Nov 6, 2018
Nov 6, 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.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
5
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. 1 of 2 maintenance fees is paid so far. Confidence: Low: the grace period for its second maintenance fee ended Nov 6, 2026 with no payment on record. 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 15, 2010, when application 12/724,363, the earliest non-provisional in its chain, was filed (this one was filed May 19, 2017) | Mar 15, 2030 | 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 | The grace period ended with no payment on record in the fee file | grace period ended Nov 6, 2026 | Low confidence |
| Computed term end | The steps above, in order | Mar 15, 2030 | Low confidence |
This family
| US 8,189,608 | In force Dec 2030 | Dec 2030 |
| US 8,594,109 | Lapsed on the fee record Nov 2025 | Nov 2025 |
| US 8,908,706 | In force Mar 2030 | Mar 2030 |
| US 9,668,200 | Lapsed on the fee record May 2025 | May 2025 |
| US 10,123,257 | this patent Mar 2030 | Mar 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 |
|---|---|---|---|
| Jan 9, 2018 Reel 44578, frame 57 | Duo, Zhuangzhi; Chen, Zhong; Gmuender, John | Sonicwall, Inc. | Assignment of Assignor's Interest |
| Jan 9, 2018 Reel 44578, frame 73 | Sonicwall, Inc. | PSM Merger Sub (Delaware), Inc. C/O Thoma Bravo, LLC | Merger |
| Jan 9, 2018 Reel 44578, frame 101 | PSM Merger Sub (Delaware), Inc. | Sonicwall, Inc. | Change of Name |
| Jan 9, 2018 Reel 44578, frame 138 | Sonicwall L.L.C. | Dell Software Inc. | Merger |
| Jan 9, 2018 Reel 45029, frame 422 | Sonicwall, Inc. | Sonicwall L.L.C. | Change of Name |
| Jan 9, 2018 Reel 45029, frame 427 | Dell Software Inc. | Quest Software Inc. | Change of Name |
| Jan 9, 2018 Reel 45029, frame 439 | Quest Software Inc. | Sonicwall US Holdings Inc. | Assignment of Assignor's Interest |
| Jun 7, 2018 Reel 46321, frame 393 | Sonicwall US Holdings Inc. | UBS AG, Stamford Branch, as Collateral Agent | Second Lien Patent Security Agreement |
| Jun 7, 2018 Reel 46321, frame 414 | Sonicwall US Holdings Inc. | UBS AG, Stamford Branch, as Collateral Agent | First Lien Patent Security Agreement |
| Jun 16, 2025 Reel 71625, frame 887 | UBS AG, Stamford Branch, as Collateral Agent | Sonicwall US Holdings Inc. | Release of Second Lien Security Interest in Patents Recorded at RF 046321/0393 |
| Jun 30, 2025 Reel 71777, frame 641 | Sonicwall US Holdings Inc. | UBS AG, Stamford Branch, as Collateral Agent | First Lien IP Supplement |
| Jul 9, 2026 Reel 75961, frame 907 | Sonicwall US Holdings Inc.; Sonicwall Inc.; Banyan Security, Inc. | UBS AG, Stamford Branch | 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
Nov 6
Grace period ended Nov 6, 2026 with no payment on record. The term ends early once USPTO posts the lapse
Mar 2030
Term ends Mar 15, 2030.
Citations
5
later US patents cite this one
That is above the median 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.