Also listed on Ivy Holding, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Nov 27, 2026 · High confidence
20-year base term ended Oct 21, 2025
Held by EMC IP Holding Company LLC
Filed Oct 21, 2005 as application 11/255,337 · Granted Mar 29, 2011
Base term plus 402 days of patent term adjustment (USPTO delay)
Today
2005
2026
Clock starts
Oct 21, 2005
Oct 21, 2005
Term ends
Nov 27, 2026
Nov 27, 2026
Granted
Mar 29, 2011
Mar 29, 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
402
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.
2
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 402 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 Oct 21, 2005, when this application, 11/255,337, was filed | Oct 21, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +402 days, USPTO patent term adjustment record | Nov 27, 2026 | 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 | Nov 27, 2026 | High confidence |
This family
| US 7,917,474 | this patent Nov 2026 | Nov 2026 |
| US 8,176,013 | Lapsed on the fee record May 2024 | May 2024 |
The applications whose file history this site holds. The family may have others.
Assignments
The 40 most recent of 56 recorded documents are shown; the 16 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.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Nov 3, 2021 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch | Dell International, L.l.c. | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch | Dell Marketing L.P. | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch | Dell Products L.P. | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch | Dell Software Inc. | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch | Dell Systems Corporation | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch | EMC Corporation | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch | EMC IP Holding Company LLC | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch | FORCE10 Networks, Inc. | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch | Maginatics LLC | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch | Mozy, Inc. | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch | Scaleio LLC | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch | Wyse Technology L.L.C. | Release of Security Interest |
| Apr 26, 2022 Reel 61324, frame 1 | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Dell Marketing Corporation (Successor-in-Interest to Asap Software Express, Inc.); Dell Marketing L.P. (on Behalf of Itself and as Successor-in-Interest to Credant Technologies, Inc.); Dell USA L.P.; Dell International L.L.C.; Dell Products L.P.; Dell Marketing Corporation (Successor-in-Interest to FORCE10 Networks, Inc. and Wyse Technology L.L.C.); EMC Corporation (on Behalf of Itself and as Successor-in-Interest to Maginatics LLC); EMC IP Holding Company LLC (on Behalf of Itself and as Successor-in-Interest to Mozy, Inc.); Scaleio LLC | Release of Security Interest in Patents Previously Recorded at Reel/Frame (040136/0001) |
| Apr 26, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Dell Marketing Corporation (Successor-in-Interest to Asap Software Express, Inc.) | Release of Security Interest in Patents Previously Recorded at Reel/Frame (040136/0001) |
| Apr 26, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Dell Marketing L.P. (on Behalf of Itself and as Successor-in-Interest to Credant Technologies, Inc.) | Release of Security Interest in Patents Previously Recorded at Reel/Frame (040136/0001) |
| Apr 26, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Dell USA L.P. | Release of Security Interest in Patents Previously Recorded at Reel/Frame (040136/0001) |
| Apr 26, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Dell International L.L.C. | Release of Security Interest in Patents Previously Recorded at Reel/Frame (040136/0001) |
| Apr 26, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Dell Products L.P. | Release of Security Interest in Patents Previously Recorded at Reel/Frame (040136/0001) |
| Apr 26, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Dell Marketing Corporation (Successor-in-Interest to FORCE10 Networks, Inc. and Wyse Technology L.L.C.) | Release of Security Interest in Patents Previously Recorded at Reel/Frame (040136/0001) |
| Apr 26, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | EMC Corporation (on Behalf of Itself and as Successor-in-Interest to Maginatics LLC) | Release of Security Interest in Patents Previously Recorded at Reel/Frame (040136/0001) |
| Apr 26, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | EMC IP Holding Company LLC (on Behalf of Itself and as Successor-in-Interest to Mozy, Inc.) | Release of Security Interest in Patents Previously Recorded at Reel/Frame (040136/0001) |
| Apr 26, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Scaleio LLC | Release of Security Interest in Patents Previously Recorded at Reel/Frame (040136/0001) |
| May 20, 2022 Reel 61753, frame 1 | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Dell Marketing Corporation (Successor-in-Interest to Asap Software Express, Inc.); Dell Marketing L.P. (on Behalf of Itself and as Successor-in-Interest to Credant Technologies, Inc.); Dell USA L.P.; Dell International L.L.C.; Dell Products L.P.; Dell Marketing Corporation (Successor-in-Interest to FORCE10 Networks, Inc. and Wyse Technology L.L.C.); EMC Corporation (on Behalf of Itself and as Successor-in-Interest to Maginatics LLC); EMC IP Holding Company LLC (on Behalf of Itself and as Successor-in-Interest to Mozy, Inc.); Scaleio LLC | Release of Security Interest in Patents Previously Recorded at Reel/Frame (045455/0001) |
| May 20, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Dell Marketing Corporation (Successor-in-Interest to Asap Software Express, Inc.) | Release of Security Interest in Patents Previously Recorded at Reel/Frame (045455/0001) |
| May 20, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Dell Marketing L.P. (on Behalf of Itself and as Successor-in-Interest to Credant Technologies, Inc.) | Release of Security Interest in Patents Previously Recorded at Reel/Frame (045455/0001) |
| May 20, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Dell USA L.P. | Release of Security Interest in Patents Previously Recorded at Reel/Frame (045455/0001) |
| May 20, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Dell International L.L.C. | Release of Security Interest in Patents Previously Recorded at Reel/Frame (045455/0001) |
| May 20, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Dell Products L.P. | Release of Security Interest in Patents Previously Recorded at Reel/Frame (045455/0001) |
| May 20, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Dell Marketing Corporation (Successor-in-Interest to FORCE10 Networks, Inc. and Wyse Technology L.L.C.) | Release of Security Interest in Patents Previously Recorded at Reel/Frame (045455/0001) |
| May 20, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | EMC Corporation (on Behalf of Itself and as Successor-in-Interest to Maginatics LLC) | Release of Security Interest in Patents Previously Recorded at Reel/Frame (045455/0001) |
| May 20, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | EMC IP Holding Company LLC (on Behalf of Itself and as Successor-in-Interest to Mozy, Inc.) | Release of Security Interest in Patents Previously Recorded at Reel/Frame (045455/0001) |
| May 20, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Scaleio LLC | Release of Security Interest in Patents Previously Recorded at Reel/Frame (045455/0001) |
| Jun 23, 2022 Reel 71642, frame 1 | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Dell Marketing L.P. (on Behalf of Itself and as Successor-in-Interest to Credant Technologies, Inc.); Dell International L.L.C.; Dell Products L.P.; Dell USA L.P.; EMC Corporation; Dell Marketing Corporation (Successor-in-Interest to FORCE10 Networks, Inc. and Wyse Technology L.L.C.); EMC IP Holding Company LLC | Release of Security Interest in Patents Previously Recorded at Reel/Frame (053546/0001) |
| Jun 23, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Dell Marketing L.P. (on Behalf of Itself and as Successor-in-Interest to Credant Technologies, Inc.) | Release of Security Interest in Patents Previously Recorded at Reel/Frame (053546/0001) |
| Jun 23, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Dell International L.L.C. | Release of Security Interest in Patents Previously Recorded at Reel/Frame (053546/0001) |
| Jun 23, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Dell Products L.P. | Release of Security Interest in Patents Previously Recorded at Reel/Frame (053546/0001) |
| Jun 23, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Dell USA L.P. | Release of Security Interest in Patents Previously Recorded at Reel/Frame (053546/0001) |
| Jun 23, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | EMC Corporation | Release of Security Interest in Patents Previously Recorded at Reel/Frame (053546/0001) |
| Jun 23, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | Dell Marketing Corporation (Successor-in-Interest to FORCE10 Networks, Inc. and Wyse Technology L.L.C.) | Release of Security Interest in Patents Previously Recorded at Reel/Frame (053546/0001) |
| Jun 23, 2022 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Notes Collateral Agent | EMC IP Holding Company LLC | Release of Security Interest in Patents Previously Recorded at Reel/Frame (053546/0001) |
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
Nov 2026
Term ends Nov 27, 2026. No further fees fall due before then
Note
The 402 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
154
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.