Also listed on Reconnex Corporation, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Apr 29, 2028 · High confidence
20-year base term ended May 22, 2026
Held by Magenta Security Holdings LLC
Filed May 22, 2006 as application 11/439,484 · Granted Aug 30, 2011
Base term plus 708 days of patent term adjustment (USPTO delay)
Today
2006
2028
Clock starts
May 22, 2006
May 22, 2006
Term ends
Apr 29, 2028
Apr 29, 2028
Granted
Aug 30, 2011
Aug 30, 2011
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
708
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.
This patent's term runs 708 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 May 22, 2006, when this application, 11/439,484, was filed | May 22, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +708 days, USPTO patent term adjustment record | Apr 29, 2028 | 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 | Apr 29, 2028 | 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 |
|---|---|---|---|
| May 22, 2006 Reel 17930, frame 208 | Deninger, William; Ahuja, Ratinder Paul Singh; De La Iglesia, Erik | Reconnex Corporation | Assignment of Assignor's Interest |
| Jan 26, 2009 Reel 22214, frame 151 | Reconnex Corporation | McAfee, Inc. | Merger |
| Aug 24, 2017 Reel 43665, frame 918 | McAfee, Inc. | McAfee, LLC | Change of Name and Entity Conversion |
| Jan 12, 2018 Reel 45055, frame 786 | McAfee, LLC | Jpmorgan Chase Bank, N.a. | Security Interest |
| Jan 12, 2018 Reel 45056, frame 676 | McAfee, LLC | Morgan Stanley Senior Funding, Inc. | Security Interest |
| Oct 22, 2020 Reel 54206, frame 593 | McAfee, LLC | Morgan Stanley Senior Funding, Inc. | Corrective Assignment to Correct the Remove Patent 6336186 Previously Recorded on Reel 045056 Frame 0676. Assignor(S) Hereby Confirms the Security Interest. |
| Oct 22, 2020 Reel 55854, frame 47 | McAfee, LLC | Jpmorgan Chase Bank, N.a. | Corrective Assignment to Correct the Remove Patent 6336186 Previously Recorded on Reel 045055 Frame 786. Assignor(S) Hereby Confirms the Security Interest. |
| Oct 26, 2020 Reel 54238, frame 1 | JPMorgan Chase Bank, N.A., as Collateral Agent | McAfee, LLC | Release of Intellectual Property Collateral - Reel/Frame 045055/0786 |
| Jul 26, 2021 Reel 57620, frame 102 | Morgan Stanley Senior Funding, Inc. | McAfee, LLC; Skyhigh Networks, LLC | Release of Security Interest |
| Jul 26, 2021 reel/frame not recorded | Morgan Stanley Senior Funding, Inc. | McAfee, LLC | Release of Security Interest |
| Jul 26, 2021 reel/frame not recorded | Morgan Stanley Senior Funding, Inc. | Skyhigh Networks, LLC | Release of Security Interest |
| Jul 27, 2021 Reel 56990, frame 960 | Musarubra US LLC; Skyhigh Networks, LLC | UBS AG, Stamford Branch, as Collateral Agent | Second Lien Patent Security Agreement |
| Jul 27, 2021 Reel 57453, frame 53 | Musarubra US LLC; Skyhigh Networks, LLC | UBS AG, Stamford Branch, as Collateral Agent | First Lien Patent Security Agreement |
| Apr 11, 2022 Reel 60878, frame 126 | McAfee, LLC | Musarubra US LLC | Corrective Assignment to Correct the Property Numbers Previously Recorded at Reel: 057315 Frame: 0001. Assignor(S) Hereby Confirms the Assignment. |
| Jul 29, 2022 Reel 61007, frame 124 | McAfee, LLC | Musarubra US LLC | Assignment of Assignor's Interest |
| Aug 1, 2024 Reel 68324, frame 731 | Musarubra US LLC; Skyhigh Security LLC | STG Partners, LLC | Security Interest |
| Aug 15, 2024 Reel 68655, frame 413 | UBS AG, Stamford Branch, as Collateral Agent | Musarubra US LLC | Termination and Release of First Lien Security Interest in Certain Patents Recorded at Reel 057453, Frame 0053 |
| Aug 15, 2024 Reel 68655, frame 430 | UBS AG, Stamford Branch, as Collateral Agent | Musarubra US LLC | Termination and Release of Second Lien Security Interest in Certain Patents Recorded at Reel 056990, Frame 0960 |
| Aug 15, 2024 Reel 68656, frame 98 | Musarubra US LLC | Magenta Security Intermediate Holdings LLC | Intellectual Property Assignment Agreement |
| Aug 15, 2024 Reel 68656, frame 920 | Magenta Security Intermediate Holdings LLC | Magenta Security Holdings LLC | Intellectual Property Assignment Agreement |
| Aug 15, 2024 Reel 68657, frame 666 | Magenta Security Holdings LLC; Skyhigh Security LLC | UBS AG, Stamford Branch, as Collateral Agent | First Lien Patent Security Agreement |
| Aug 15, 2024 Reel 68657, frame 764 | Musarubra US LLC | Magenta Security Intermediate Holdings LLC | Assignment of Assignor's Interest |
| Aug 15, 2024 Reel 68657, frame 843 | Magenta Security Intermediate Holdings LLC | Magenta Security Holdings LLC | Assignment of Assignor's Interest |
| Aug 16, 2024 Reel 68671, frame 435 | STG Partners, LLC | Musarubra US LLC; Skyhigh Security LLC | Release of Security Interest |
| Aug 16, 2024 reel/frame not recorded | STG Partners, LLC | Musarubra US LLC | Release of Security Interest |
| Aug 16, 2024 reel/frame not recorded | STG Partners, LLC | Skyhigh Security LLC | 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.
What's changing
Apr 2028
Term ends Apr 29, 2028. No further fees fall due before then
Note
The 708 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
115
later US patents cite this one
That is top 5% of utility patents granted in 2011 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.