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US 8,886,727 Grace period ended
OverviewFamilyAssignmentsSources & methods

Also listed on Mailfrontier, Inc., an earlier holder on the record. The recorded assignments below show how it moved.

Collateral for a security interest recorded Jun 30, 2025 (UBS AG, Stamford Branch).

Term ends Feb 21, 2029 · Low confidence

Grace period ended Nov 11, 2026 · no payment on record as of the Nov 10, 2026 fee file · lapse expected

Filed Jan 14, 2005 as application 11/036,603 · Granted Nov 11, 2014
Base term plus 1499 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2005 2029
Clock starts
Jan 14, 2005
Term ends
Feb 21, 2029
Granted
Nov 11, 2014
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
1,499
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
4
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 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

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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Jan 14, 2005, when this application, 11/036,603, was filedJan 14, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1499 days, USPTO patent term adjustment recordFeb 21, 2029High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee eventsThe grace period ended with no payment on record in the fee filegrace period ended Nov 11, 2026Low confidence
Computed term endThe steps above, in orderFeb 21, 2029Low confidence

This family

US 8,886,727this patent
Feb 2029
Feb 2029
US 8,713,110Term ended
May 2025
May 2025
US 9,454,672Term ended
Jan 2025
Jan 2025
Application 15/170,758Abandoned
not computed
not computed
The applications whose file history this site holds. The family may have others.

Assignments

The 40 most recent of 42 recorded documents are shown; the 2 earliest are not. 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.
RecordedAssignorAssigneeConveyance
Mar 16, 2006
Reel 17316, frame 604
Oliver, Jonathan J.; Budman, Gleb; Koontz, Eugene; Drake, ChristineMailfrontier, 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 BranchSecurity Agreement
Aug 3, 2010
Reel 24823, frame 280
Aventail LLC; Sonicwall, Inc.Credit Suisse AG, Cayman Islands BranchPatent Security Agreement (Second Lien)
May 8, 2012
Reel 28177, frame 115
Credit Suisse AG, Cayman Islands BranchAventail 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 BranchAventail 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 BranchAventail LLCRelease of Security Interest in Patents Recorded on Reel/Frame 024776/0337
May 8, 2012
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchSonicwall, 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 BranchAventail LLCRelease of Security Interest in Patents Recorded on Reel/Frame 024823/0280
May 8, 2012
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchSonicwall, 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 AgentSecurity 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 AgentSecurity 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 BranchAventail 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 LLCRelease 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 BranchAventail LLCRelease of Security Interest
Oct 31, 2016
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchDell Products, L.p.Release of Security Interest
Oct 31, 2016
reel/frame not recorded
Credit Suisse AG, Cayman Islands BranchDell Software Inc.Release of Security Interest
Nov 9, 2016
Reel 40581, frame 850
Dell Software Inc.Credit Suisse AG, Cayman Islands Branch, as Collateral AgentFirst Lien Patent Security Agreement
Nov 10, 2016
Reel 40587, frame 624
Dell Software Inc.Credit Suisse AG, Cayman Islands Branch, as Collateral AgentSecond 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 BranchQuest Software Inc. (F/K/A Dell Software Inc.); Aventail LLCCorrective 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 BranchQuest 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 BranchAventail LLCCorrective 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 AgentQuest Software Inc. (F/K/A Dell Software Inc.); Aventail LLCRelease 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 AgentQuest 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 AgentAventail LLCRelease 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 AgentSecond Lien Patent Security Agreement
Jun 7, 2018
Reel 46321, frame 414
Sonicwall US Holdings Inc.UBS AG, Stamford Branch, as Collateral AgentFirst Lien Patent Security Agreement
Jun 16, 2025
Reel 71625, frame 887
UBS AG, Stamford Branch, as Collateral AgentSonicwall 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 AgentFirst Lien IP Supplement
Jul 9, 2026
Reel 75961, frame 907
Sonicwall US Holdings Inc.; Sonicwall Inc.; Banyan Security, Inc.UBS AG, Stamford BranchSecurity 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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