Also listed on Avago Technologies International Sales Pte. Limited, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Nov 29, 2026 · High confidence
20-year base term ended May 18, 2026
Held by Seagate Technology LLC
Filed May 18, 2006 as application 11/436,935 · Granted Apr 7, 2009
Base term plus 195 days of patent term adjustment (USPTO delay)
Today
2006
2026
Clock starts
May 18, 2006
May 18, 2006
Term ends
Nov 29, 2026
Nov 29, 2026
Granted
Apr 7, 2009
Apr 7, 2009
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
195
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 195 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 18, 2006, when this application, 11/436,935, was filed | May 18, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +195 days, USPTO patent term adjustment record | Nov 29, 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 29, 2026 | 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 |
|---|---|---|---|
| Feb 15, 2008 Reel 20513, frame 726 | Buch, Bruce; Mallary, Michael; Olsen, Richard | Maxtor Corporation | Assignment of Assignor's Interest |
| May 15, 2009 Reel 22757, frame 17 | Maxtor Corporation; Seagate Technology LLC; Seagate Technology International | JPMorgan Chase Bank, N.A., as Administrative Agent and First Priority Representative; Wells Fargo Bank, National Association, as Collateral Agent and Second Priority Representative | Security Agreement |
| May 15, 2009 reel/frame not recorded | Maxtor Corporation; Seagate Technology International; Seagate Technology LLC | JPMorgan Chase Bank, N.A., as Administrative Agent and First Priority Representative | Security Agreement |
| May 15, 2009 reel/frame not recorded | Maxtor Corporation; Seagate Technology International; Seagate Technology LLC | Wells Fargo Bank, National Association, as Collateral Agent and Second Priority Representative | Security Agreement |
| Jan 19, 2011 Reel 25662, frame 1 | JPMorgan Chase Bank, N.A., as Administrative Agent | Seagate Technology HDD Holdings; Maxtor Corporation; Seagate Technology LLC; Seagate Technology International | Release |
| Jan 19, 2011 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | Seagate Technology HDD Holdings | Release |
| Jan 19, 2011 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | Maxtor Corporation | Release |
| Jan 19, 2011 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | Seagate Technology LLC | Release |
| Jan 19, 2011 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | Seagate Technology International | Release |
| Mar 24, 2011 Reel 26010, frame 350 | Seagate Technology LLC | The Bank of Nova Scotia, as Administrative Agent | Security Agreement |
| Jul 19, 2013 Reel 30833, frame 1 | Wells Fargo Bank, National Association, as Collateral Agent and Second Priority Representative | Seagate Technology LLC; Evault Inc. (F/K/A I365 Inc.); Seagate Technology International; Seagate Technology US Holdings, Inc. | Termination and Release of Security Interest in Patent Rights |
| Jul 19, 2013 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Agent and Second Priority Representative | Seagate Technology LLC | Termination and Release of Security Interest in Patent Rights |
| Jul 19, 2013 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Agent and Second Priority Representative | Evault Inc. (F/K/A I365 Inc.) | Termination and Release of Security Interest in Patent Rights |
| Jul 19, 2013 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Agent and Second Priority Representative | Seagate Technology International | Termination and Release of Security Interest in Patent Rights |
| Jul 19, 2013 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Agent and Second Priority Representative | Seagate Technology US Holdings, Inc. | Termination and Release of Security Interest in Patent Rights |
| May 22, 2024 Reel 67489, frame 509 | Seagate Technology LLC; Seagate Singapore International Headquarters Pte. Ltd. | Avago Technologies International Sales Pte. Limited | Assignment of Assignor's Interest |
| Jun 4, 2024 Reel 67614, frame 239 | Maxtor Corporation | Seagate Technology (US) Holdings, Inc. | Merger |
| Jul 11, 2024 Reel 67960, frame 16 | Seagate Technology (US) Holdings, Inc. | Seagate Technology LLC | Assignment of Assignor's Interest |
| Jul 23, 2025 Reel 72193, frame 1 | The Bank of Nova Scotia | Seagate Technology Public Limited Company; Seagate Technology; Seagate Technology HDD Holdings; I365 Inc.; Seagate Technology LLC; Seagate Technology International; Seagate HDD Cayman; Seagate Technology (US) Holdings, Inc. | Release of Security Interest |
| Jul 23, 2025 reel/frame not recorded | The Bank of Nova Scotia | Seagate Technology Public Limited Company | Release of Security Interest |
| Jul 23, 2025 reel/frame not recorded | The Bank of Nova Scotia | Seagate Technology | Release of Security Interest |
| Jul 23, 2025 reel/frame not recorded | The Bank of Nova Scotia | Seagate Technology HDD Holdings | Release of Security Interest |
| Jul 23, 2025 reel/frame not recorded | The Bank of Nova Scotia | I365 Inc. | Release of Security Interest |
| Jul 23, 2025 reel/frame not recorded | The Bank of Nova Scotia | Seagate Technology LLC | Release of Security Interest |
| Jul 23, 2025 reel/frame not recorded | The Bank of Nova Scotia | Seagate Technology International | Release of Security Interest |
| Jul 23, 2025 reel/frame not recorded | The Bank of Nova Scotia | Seagate HDD Cayman | Release of Security Interest |
| Jul 23, 2025 reel/frame not recorded | The Bank of Nova Scotia | Seagate Technology (US) Holdings, 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
Nov 2026
Term ends Nov 29, 2026. No further fees fall due before then
Note
The 195 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
7
later US patents cite this one
That is below the median of utility patents granted in 2009 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.