Lapsed Sep 13, 2023 on the fee record · High confidence

Computed 20-year base term

Third maintenance fee unpaid; grace period ended.

Held by Seagate Technology LLC

Filed May 5, 2005 as application 11/122,751 · Granted Sep 13, 2011

Base term, 20 years from filing, plus 1371 days of patent term adjustment (USPTO delay)

Today

Lapsed Sep 13, 2023

2005 2029

Clock starts
May 5, 2005

No longer in force
Sep 13, 2023

Granted
Sep 13, 2011

Term would have run to
Feb 4, 2029

base term patent term adjustment after the term ends 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

1,371

Days of term adjustment

Read from the USPTO patent term adjustment record, not recalculated here.

None

Terminal disclaimer

No disclaimer on this record.

2 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.

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 Feb 4, 2029: its 20-year base term plus 1371 days of term adjustment for prosecution delay. 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 5, 2005, when this application, 11/122,751, was filed	May 5, 2025	High confidence
Continuity chain	Every parent in the chain resolved	no change	High confidence
Patent term adjustment	+1371 days, USPTO patent term adjustment record	Feb 4, 2029	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	2 of 3 maintenance fees paid	lapsed Sep 13, 2023	High confidence
Computed term end	The steps above, in order	Sep 13, 2023	High confidence

This family

US 8,019,925	this patent Sep 2023	Sep 2023
US 7,685,360	Term ended Nov 2026	Nov 2026
US 7,620,772	Term ended May 2026	May 2026
US 7,617,358	Lapsed on the fee record Nov 2013	Nov 2013
US 7,916,421	Lapsed on the fee record Mar 2023	Mar 2023
US 7,653,847	In force Dec 2026	Dec 2026
US 7,603,530	In force Jan 2027	Jan 2027
US 7,752,491	In force Nov 2026	Nov 2026

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
Sep 14, 2005 Reel 16803, frame 983	Vogan, Andrew W.; Liikanen, Bruce	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
Jul 22, 2009 Reel 22991, frame 357	Maxtor Corporation	Seagate Technology LLC	Assignment of Assignor's Interest
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
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

Note

The 1371 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us

Citations

later US patents cite this one

That is top 10% 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.

Methods and Structure for Dynamically Mapped Mass Storage Device