Also listed on Storcentric, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Dec 24, 2026 · High confidence
20-year base term ended Nov 4, 2025
Held by Storcentric Dip Lender, LLC
Filed Nov 4, 2005 as application 11/267,960 · Granted Oct 19, 2010
Base term plus 415 days of patent term adjustment (USPTO delay)
Today
2005
2026
Clock starts
Nov 4, 2005
Nov 4, 2005
Term ends
Dec 24, 2026
Dec 24, 2026
Granted
Oct 19, 2010
Oct 19, 2010
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
415
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 415 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 Nov 4, 2005, when this application, 11/267,960, was filed | Nov 4, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +415 days, USPTO patent term adjustment record | Dec 24, 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 | Dec 24, 2026 | High confidence |
This family
| US 7,818,531 | this patent Dec 2026 | Dec 2026 |
| US 8,156,303 | Term ended Nov 2025 | Nov 2025 |
The applications whose file history this site holds. The family may have others.
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 |
|---|---|---|---|
| Jan 28, 2006 Reel 17103, frame 90 | Barrall, Geoffrey S. | Trusted Data Corporation | Assignment of Assignor's Interest |
| May 25, 2007 Reel 19347, frame 725 | Trusted Data Corporation | Data Robotics Incorporated | Change of Name |
| Jun 12, 2009 Reel 22820, frame 589 | Data Robotics Incorporated | Data Robotics, Inc. | Change of Name |
| Mar 2, 2012 Reel 27798, frame 297 | Data Robotics, Inc. | Drobo, Inc. | Change of Name |
| Jun 11, 2014 Reel 33126, frame 737 | Drobo, Inc. | Venture Lending & Leasing VI, Inc.; Venture Lending & Leasing VII, Inc. | Security Interest |
| Jun 11, 2014 reel/frame not recorded | Drobo, Inc. | Venture Lending & Leasing VI, Inc. | Security Interest |
| Jun 11, 2014 reel/frame not recorded | Drobo, Inc. | Venture Lending & Leasing VII, Inc. | Security Interest |
| May 18, 2015 Reel 35663, frame 328 | Drobo, Inc. | East West Bank | Security Interest |
| Sep 29, 2017 Reel 43745, frame 96 | Drobo, Inc. | Montage Capital Ii, L.p. | Security Interest |
| Oct 27, 2017 Reel 44311, frame 620 | Venture Lending & Leasing VI, Inc.; Venture Lending & Leasing VII, Inc. | Drobo, Inc. | Release of Security Interest |
| Aug 17, 2018 Reel 46845, frame 495 | Drobo, Inc.; Nexsan Corporation; Nexsan Technologies Incorporated; Connected Data, Inc.; Nexsan Technologies Limited; Nexsan Technologies Canada Inc.; Drobo Limited | Gordon Brothers Finance Company, as Agent | Short Form Intellectual Property Security Agreement |
| Aug 17, 2018 Reel 46847, frame 959 | East West Bank | Drobo, Inc. | Release of Security Interest |
| Aug 17, 2018 Reel 47881, frame 892 | Montage Capital II, LP | Drobo, Inc. | Release of Security Interest |
| Feb 19, 2020 Reel 51860, frame 839 | Storcentric, Inc.; Connected Data, Inc.; Drobo, Inc.; Nexsan Technologies Incorporated; Nexsan Corporation; Retrospect, Inc. | Newlight Capital, LLC; Umb Bank, National Association, as Trustee | Security Interest |
| Feb 19, 2020 Reel 51864, frame 774 | Gordon Brothers Finance Co. | Storcentric, Inc.; Drobo, Inc.; Nexsan Corporation; Nexsan Technologies Incorporated; Connected Data, Inc.; Nexsan Technologies Limited; Nexsan Technologies Canada Inc. | Release of Security Interest |
| Feb 19, 2020 reel/frame not recorded | Connected Data, Inc.; Drobo, Inc.; Nexsan Corporation; Nexsan Technologies Incorporated; Retrospect, Inc.; Storcentric, Inc. | Newlight Capital, LLC | Security Interest |
| Feb 19, 2020 reel/frame not recorded | Connected Data, Inc.; Drobo, Inc.; Nexsan Corporation; Nexsan Technologies Incorporated; Retrospect, Inc.; Storcentric, Inc. | Umb Bank, National Association, as Trustee | Security Interest |
| Feb 19, 2020 reel/frame not recorded | Gordon Brothers Finance Co. | Storcentric, Inc. | Release of Security Interest |
| Feb 19, 2020 reel/frame not recorded | Gordon Brothers Finance Co. | Drobo, Inc. | Release of Security Interest |
| Feb 19, 2020 reel/frame not recorded | Gordon Brothers Finance Co. | Nexsan Corporation | Release of Security Interest |
| Feb 19, 2020 reel/frame not recorded | Gordon Brothers Finance Co. | Nexsan Technologies Incorporated | Release of Security Interest |
| Feb 19, 2020 reel/frame not recorded | Gordon Brothers Finance Co. | Connected Data, Inc. | Release of Security Interest |
| Feb 19, 2020 reel/frame not recorded | Gordon Brothers Finance Co. | Nexsan Technologies Limited | Release of Security Interest |
| Feb 19, 2020 reel/frame not recorded | Gordon Brothers Finance Co. | Nexsan Technologies Canada Inc. | Release of Security Interest |
| Aug 10, 2021 Reel 57156, frame 743 | Storcentric, Inc.; Connected Data, Inc.; Drobo, Inc.; Nexsan Technologies Incorporated; Nexsan Corporation; Retrospect, Inc. | Newlight Capital, LLC; Umb Bank, National Association, as Trustee | Corrective Assignment to Correct the Application Number: 13532559 Previously Recorded at Reel: 051860 Frame: 0839. Assignor(S) Hereby Confirms the Assignment. |
| Aug 10, 2021 reel/frame not recorded | Connected Data, Inc.; Drobo, Inc.; Nexsan Corporation; Nexsan Technologies Incorporated; Retrospect, Inc.; Storcentric, Inc. | Newlight Capital, LLC | Corrective Assignment to Correct the Application Number: 13532559 Previously Recorded at Reel: 051860 Frame: 0839. Assignor(S) Hereby Confirms the Assignment. |
| Aug 10, 2021 reel/frame not recorded | Connected Data, Inc.; Drobo, Inc.; Nexsan Corporation; Nexsan Technologies Incorporated; Retrospect, Inc.; Storcentric, Inc. | Umb Bank, National Association, as Trustee | Corrective Assignment to Correct the Application Number: 13532559 Previously Recorded at Reel: 051860 Frame: 0839. Assignor(S) Hereby Confirms the Assignment. |
| Apr 24, 2023 Reel 63414, frame 816 | Newlight Capital, LLC; Umb Bank, National Association | Storcentric, Inc.; Connected Data, Inc.; Drobo, Inc.; Nexsan Technologies Incorporated; Nexsan Corporation; Retrospect, Inc. | Release of Security Interest |
| Apr 24, 2023 Reel 63416, frame 914 | Storcentric, Inc.; Drobo, Inc.; Nexsan Corporation; Nexsan Technologies Incorporated; VS Acquisition Company, LLC; Connected Data, Inc.; Retrospect, Inc. | Storcentric Dip Lender, LLC | Assignment of Assignor's Interest |
| Apr 24, 2023 reel/frame not recorded | Newlight Capital, LLC; Umb Bank, National Association | Storcentric, Inc. | Release of Security Interest |
| Apr 24, 2023 reel/frame not recorded | Newlight Capital, LLC; Umb Bank, National Association | Connected Data, Inc. | Release of Security Interest |
| Apr 24, 2023 reel/frame not recorded | Newlight Capital, LLC; Umb Bank, National Association | Drobo, Inc. | Release of Security Interest |
| Apr 24, 2023 reel/frame not recorded | Newlight Capital, LLC; Umb Bank, National Association | Nexsan Technologies Incorporated | Release of Security Interest |
| Apr 24, 2023 reel/frame not recorded | Newlight Capital, LLC; Umb Bank, National Association | Nexsan Corporation | Release of Security Interest |
| Apr 24, 2023 reel/frame not recorded | Newlight Capital, LLC; Umb Bank, National Association | Retrospect, Inc. | 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
Dec 2026
Term ends Dec 24, 2026. No further fees fall due before then
Note
The 415 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
408
later US patents cite this one
That is top 1% of utility patents granted in 2010 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.