Also listed on Mailfrontier, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Feb 21, 2029 · Low confidence
20-year base term ended Jan 14, 2025
Grace period ended Nov 11, 2026 · no payment on record as of the Nov 10, 2026 fee file · lapse expected
Jan 14, 2005
Feb 21, 2029
Nov 11, 2014
This patent's term runs 1499 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. Confidence: Low: the grace period for its third maintenance fee ended Nov 11, 2026 with no payment on record. from the record
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Jan 14, 2005, when this application, 11/036,603, was filed | Jan 14, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1499 days, USPTO patent term adjustment record | Feb 21, 2029 | 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 11, 2026 | Low confidence |
| Computed term end | The steps above, in order | Feb 21, 2029 | Low confidence |
This family
| US 8,886,727 | this patent Feb 2029 | Feb 2029 |
| US 8,713,110 | Term ended May 2025 | May 2025 |
| US 9,454,672 | Term ended Jan 2025 | Jan 2025 |
| Application 15/170,758 | Abandoned not computed | not computed |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Mar 16, 2006 Reel 17316, frame 604 | Oliver, Jonathan J.; Budman, Gleb; Koontz, Eugene; Drake, Christine | Mailfrontier, Inc. | Corrective Assignment to Correct the Name of the Assignee as Well as the Particular Assignors Conveying Their Interest in This Particular Assignment Previously Recorded on Reel 016006 Frame 0592. Assignor(S) Hereby Confirms the Assignee Is Mailfrontier, Inc.; Not Mailfroniter, Inc. Andrew F. Oliver Was Not an Assignor in the Original Assignment. |
| Jun 29, 2007 Reel 19500, frame 65 | Mailfrontier, Inc. | Sonicwall, Inc. | Assignment of Assignor's Interest |
| Jul 28, 2010 Reel 24755, frame 83 | Sonicwall, Inc. | PSM Merger Sub (Delaware), Inc. | Merger |
| Jul 28, 2010 Reel 24755, frame 91 | PSM Merger Sub (Delaware), Inc. | Sonicwall, Inc. | Change of Name |
| Aug 3, 2010 Reel 24776, frame 337 | Aventail LLC; Sonicwall, Inc. | Credit Suisse AG, Cayman Islands Branch | Security Agreement |
| Aug 3, 2010 Reel 24823, frame 280 | Aventail LLC; Sonicwall, Inc. | Credit Suisse AG, Cayman Islands Branch | Patent Security Agreement (Second Lien) |
| May 8, 2012 Reel 28177, frame 115 | Credit Suisse AG, Cayman Islands Branch | Aventail LLC; Sonicwall, Inc. | Release of Security Interest in Patents Recorded on Reel/Frame 024776/0337 |
| May 8, 2012 Reel 28177, frame 126 | Credit Suisse AG, Cayman Islands Branch | Aventail LLC; Sonicwall, Inc. | Release of Security Interest in Patents Recorded on Reel/Frame 024823/0280 |
| May 8, 2012 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch | Aventail LLC | Release of Security Interest in Patents Recorded on Reel/Frame 024776/0337 |
| May 8, 2012 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch | Sonicwall, Inc. | Release of Security Interest in Patents Recorded on Reel/Frame 024776/0337 |
| May 8, 2012 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch | Aventail LLC | Release of Security Interest in Patents Recorded on Reel/Frame 024823/0280 |
| May 8, 2012 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch | Sonicwall, Inc. | Release of Security Interest in Patents Recorded on Reel/Frame 024823/0280 |
| Jan 5, 2016 Reel 37411, frame 255 | Sonicwall L.L.C. | Dell Software Inc. | Merger |
| Jan 5, 2016 Reel 37443, frame 769 | Sonicwall, Inc. | Sonicwall L.L.C. | Conversion and Name Change |
| Sep 14, 2016 Reel 40030, frame 187 | Aventail LLC; Dell Products, L.p.; Dell Software Inc. | Credit Suisse AG, Cayman Islands Branch, as Collateral Agent | Security Agreement |
| Sep 14, 2016 Reel 40039, frame 642 | Aventail LLC; Dell Products L.P.; Dell Software Inc. | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Security Agreement |
| Oct 31, 2016 Reel 40521, frame 16 | The Bank of New York Mellon Trust Company, N.A. | Aventail LLC; Dell Products L.P.; Dell Software Inc. | Release of Security Interest in Certain Patents Previously Recorded at Reel/Frame (040039/0642) |
| Oct 31, 2016 Reel 40521, frame 467 | Credit Suisse AG, Cayman Islands Branch | Aventail LLC; Dell Products, L.p.; Dell Software Inc. | Release of Security Interest |
| Oct 31, 2016 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A. | Aventail LLC | Release of Security Interest in Certain Patents Previously Recorded at Reel/Frame (040039/0642) |
| Oct 31, 2016 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A. | Dell Products L.P. | Release of Security Interest in Certain Patents Previously Recorded at Reel/Frame (040039/0642) |
| Oct 31, 2016 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A. | Dell Software Inc. | Release of Security Interest in Certain Patents Previously Recorded at Reel/Frame (040039/0642) |
| Oct 31, 2016 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch | Aventail LLC | Release of Security Interest |
| Oct 31, 2016 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch | Dell Products, L.p. | Release of Security Interest |
| Oct 31, 2016 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch | Dell Software Inc. | Release of Security Interest |
| Nov 9, 2016 Reel 40581, frame 850 | Dell Software Inc. | Credit Suisse AG, Cayman Islands Branch, as Collateral Agent | First Lien Patent Security Agreement |
| Nov 10, 2016 Reel 40587, frame 624 | Dell Software Inc. | Credit Suisse AG, Cayman Islands Branch, as Collateral Agent | Second Lien Patent Security Agreement |
| Jan 23, 2017 Reel 41073, frame 1 | Quest Software Inc. | Sonicwall US Holdings, Inc. | Intellectual Property Security Agreement |
| Apr 5, 2017 Reel 42168, frame 114 | Quest Software Inc. | Sonicwall US Holdings Inc. | Corrective Assignment to Correct the the Nature of Conveyance Previously Recorded at Reel: 041073 Frame: 0001. Assignor(S) Hereby Confirms the Intellectual Property Assignment.. |
| Nov 28, 2017 Reel 44811, frame 598 | Credit Suisse AG, Cayman Islands Branch | Quest Software Inc. (F/K/A Dell Software Inc.); Aventail LLC | Corrective Assignment to Correct the Assignee Previously Recorded at Reel: 040587 Frame: 0624. Assignor(S) Hereby Confirms the Assignment. |
| Nov 28, 2017 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch | Quest Software Inc. (F/K/A Dell Software Inc.) | Corrective Assignment to Correct the Assignee Previously Recorded at Reel: 040587 Frame: 0624. Assignor(S) Hereby Confirms the Assignment. |
| Nov 28, 2017 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch | Aventail LLC | Corrective Assignment to Correct the Assignee Previously Recorded at Reel: 040587 Frame: 0624. Assignor(S) Hereby Confirms the Assignment. |
| Mar 1, 2018 Reel 45476, frame 254 | Dell Software Inc. | Quest Software Inc. | Change of Name |
| May 22, 2018 Reel 46211, frame 735 | Credit Suisse AG, Cayman Islands Branch, as Collateral Agent | Quest Software Inc. (F/K/A Dell Software Inc.); Aventail LLC | Release of First Lien Security Interest in Patents Recorded at R/F 040581/0850 |
| May 22, 2018 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch, as Collateral Agent | Quest Software Inc. (F/K/A Dell Software Inc.) | Release of First Lien Security Interest in Patents Recorded at R/F 040581/0850 |
| May 22, 2018 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch, as Collateral Agent | Aventail LLC | Release of First Lien Security Interest in Patents Recorded at R/F 040581/0850 |
| 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.