Term ended Dec 10, 2023 · High confidence
20-year base term ended Dec 10, 2023
USPTO later recorded it as expired for non-payment on Sep 29, 2025.
No current holder resolved from the recorded chain.
Filed Jul 20, 2010 as application 12/840,153 · Granted Aug 27, 2013
Base term, 20 years from filing
Today
Term ended Dec 10, 2023
2003
2026
Clock starts
Dec 10, 2003
Dec 10, 2003
Term ended
Dec 10, 2023
Dec 10, 2023
Granted
Aug 27, 2013
Aug 27, 2013
base term
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,771,537, to Dec 10, 2023. The term already ends on or before that date, so the cap shortened nothing.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
3
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 is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Dec 10, 2003, when application 10/733,523, the earliest non-provisional in its chain, was filed (this one was filed Jul 20, 2010) | Dec 10, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,771,537) | resolves to Dec 10, 2023, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | term ended | High confidence |
| USPTO status record | Recorded as expired for non-payment on Sep 29, 2025, after the term ended | no change | High confidence |
| Computed term end | The steps above, in order | Dec 10, 2023 | High confidence |
This family
| US 7,258,892 | Term ended Oct 2024 | Oct 2024 |
| US 7,771,537 | In force Nov 2026 | Nov 2026 |
| US 8,518,184 | this patent Dec 2023 | Dec 2023 |
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 |
|---|---|---|---|
| May 12, 2016 Reel 38669, frame 1 | Micron Technology, Inc. | U.S. Bank National Association, as Collateral Agent | Security Interest |
| Jun 2, 2016 Reel 38954, frame 1 | Micron Technology, Inc. | Morgan Stanley Senior Funding, Inc., as Collateral Agent | Patent Security Agreement |
| Jun 8, 2017 Reel 43079, frame 1 | Micron Technology, Inc. | U.S. Bank National Association, as Collateral Agent | Corrective Assignment to Correct the Replace Erroneously Filed Patent #7358718 with the Correct Patent #7358178 Previously Recorded on Reel 038669 Frame 0001. Assignor(S) Hereby Confirms the Security Interest. |
| Jul 13, 2018 Reel 47540, frame 1 | Micron Technology, Inc.; Micron Semiconductor Products, Inc. | JPMorgan Chase Bank, N.A., as Collateral Agent | Security Interest |
| Aug 23, 2018 Reel 47243, frame 1 | U.S. Bank National Association, as Collateral Agent | Micron Technology, Inc. | Release of Security Interest |
| Oct 9, 2019 Reel 50937, frame 1 | Morgan Stanley Senior Funding, Inc., as Collateral Agent | Micron Technology, Inc. | Release of Security Interest |
| Nov 12, 2019 Reel 51028, frame 1 | JPMorgan Chase Bank, N.A., as Collateral Agent | Micron Technology, Inc.; Micron Semiconductor Products, Inc. | Release of Security Interest |
| Nov 12, 2019 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Collateral Agent | Micron Technology, Inc. | Release of Security Interest |
| Nov 12, 2019 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Collateral Agent | Micron Semiconductor Products, 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.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 7,771,537, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2013 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.