Lapsed Apr 19, 2020 on the fee record · Medium confidence
20-year base term ends May 30, 2033
Why Medium: A parent in the chain could not be resolved.
First maintenance fee unpaid; grace period ended.
Held by Quest Software Inc.
Filed Oct 7, 2013 as application 14/047,162 · Granted Apr 19, 2016
Base term, 20 years from filing, plus 205 days of patent term adjustment (USPTO delay)
Today
Lapsed Apr 19, 2020
2013
2033
Clock starts
May 30, 2013
May 30, 2013
No longer in force
Apr 19, 2020
Apr 19, 2020
Granted
Apr 19, 2016
Apr 19, 2016
Term would have run to
Dec 21, 2033
Dec 21, 2033
base term
patent term adjustment
after the term ends
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
205
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
6
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Dec 21, 2033: its 20-year base term plus 205 days of term adjustment for prosecution delay. Confidence: Medium. 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 30, 2013, when applications 13/906,241, 13/906,246 and 13/906,255, the earliest non-provisional applications in its chain, were filed (this one was filed Oct 7, 2013); a parent in its chain could not be resolved (the next row) | May 30, 2033 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +205 days, USPTO patent term adjustment record | Dec 21, 2033 | 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 | 0 of 3 maintenance fees paid | lapsed Apr 19, 2020 | High confidence |
| Computed term end | The steps above, in order | Apr 19, 2020 | Medium confidence |
This family
| US 9,779,260 | In force May 2033 | May 2033 |
| US 9,501,744 | In force Mar 2034 | Mar 2034 |
| US 9,390,240 | In force Jun 2033 | Jun 2033 |
| US 9,317,574 | this patent Apr 2020 | Apr 2020 |
| US 9,578,060 | In force Nov 2034 | Nov 2034 |
| US 10,146,954 | In force May 2033 | May 2033 |
The applications whose file history this site holds. The family may have others.
Assignments
The 40 most recent of 69 recorded documents are shown; the 29 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 |
|---|---|---|---|
| Sep 14, 2016 reel/frame not recorded | Bank of America, N.A., as Collateral Agent | Dell USA L.P. | Release of Security Interest |
| Sep 14, 2016 reel/frame not recorded | Bank of America, N.A., as Collateral Agent | Dell Software Inc. | Release of Security Interest |
| Sep 14, 2016 reel/frame not recorded | Bank of America, N.A., as Collateral Agent | FORCE10 Networks, Inc. | Release of Security Interest |
| Sep 14, 2016 reel/frame not recorded | Bank of America, N.A., as Collateral Agent | Perot Systems Corporation | Release of Security Interest |
| Sep 14, 2016 reel/frame not recorded | Bank of America, N.A., as Collateral Agent | Secureworks, Inc. | Release of Security Interest |
| Sep 14, 2016 reel/frame not recorded | Bank of America, N.A., as Collateral Agent | Wyse Technology L.L.C. | Release of Security Interest |
| Sep 14, 2016 reel/frame not recorded | Bank of New York Mellon Trust Company, N.A., as Collateral Agent | Dell Marketing L.P. | Release of Security Interest |
| Sep 14, 2016 reel/frame not recorded | Bank of New York Mellon Trust Company, N.A., as Collateral Agent | Asap Software Express, Inc. | Release of Security Interest |
| Sep 14, 2016 reel/frame not recorded | Bank of New York Mellon Trust Company, N.A., as Collateral Agent | Appassure Software, Inc. | Release of Security Interest |
| Sep 14, 2016 reel/frame not recorded | Bank of New York Mellon Trust Company, N.A., as Collateral Agent | Compellent Technologies, Inc. | Release of Security Interest |
| Sep 14, 2016 reel/frame not recorded | Bank of New York Mellon Trust Company, N.A., as Collateral Agent | Credant Technologies, Inc. | Release of Security Interest |
| Sep 14, 2016 reel/frame not recorded | Bank of New York Mellon Trust Company, N.A., as Collateral Agent | Dell Inc. | Release of Security Interest |
| Sep 14, 2016 reel/frame not recorded | Bank of New York Mellon Trust Company, N.A., as Collateral Agent | Dell Products L.P. | Release of Security Interest |
| Sep 14, 2016 reel/frame not recorded | Bank of New York Mellon Trust Company, N.A., as Collateral Agent | Dell USA L.P. | Release of Security Interest |
| Sep 14, 2016 reel/frame not recorded | Bank of New York Mellon Trust Company, N.A., as Collateral Agent | Dell Software Inc. | Release of Security Interest |
| Sep 14, 2016 reel/frame not recorded | Bank of New York Mellon Trust Company, N.A., as Collateral Agent | FORCE10 Networks, Inc. | Release of Security Interest |
| Sep 14, 2016 reel/frame not recorded | Bank of New York Mellon Trust Company, N.A., as Collateral Agent | Perot Systems Corporation | Release of Security Interest |
| Sep 14, 2016 reel/frame not recorded | Bank of New York Mellon Trust Company, N.A., as Collateral Agent | Secureworks, Inc. | Release of Security Interest |
| Sep 14, 2016 reel/frame not recorded | Bank of New York Mellon Trust Company, N.A., as Collateral Agent | Wyse Technology L.L.C. | Release of Security Interest |
| 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 |
| 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. |
| Dec 6, 2017 Reel 44800, frame 848 | 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 46327, frame 347 | Quest Software Inc. | Credit Suisse AG, Cayman Islands Branch, as Collateral Agent | First Lien Patent Security Agreement |
| Jun 7, 2018 Reel 46327, frame 486 | Quest Software Inc. | Credit Suisse AG, Cayman Islands Branch, as Collateral Agent | Second Lien Patent Security Agreement |
| Feb 2, 2022 Reel 59096, frame 683 | Credit Suisse AG, Cayman Islands Branch, as Collateral Agent | Quest Software Inc. | Release of Second Lien Security Interest in Patents |
| Feb 2, 2022 Reel 59105, frame 479 | Credit Suisse AG, Cayman Islands Branch, as Collateral Agent | Quest Software Inc. | Release of First Lien Security Interest in Patents |
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
Note
The 205 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
257
later US patents cite this one
That is top 1% of utility patents granted in 2016 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.