Term ended Jul 17, 2026 · Medium confidence
20-year base term ended Oct 6, 2024
Why Medium: A parent in the chain could not be resolved.
Filed Jun 13, 2005 as application 11/152,043 · Granted Sep 2, 2008
Base term plus 649 days of patent term adjustment (USPTO delay)
Today
Term ended Jul 17, 2026
2004
2026
Clock starts
Oct 6, 2004
Oct 6, 2004
Term ended
Jul 17, 2026
Jul 17, 2026
Granted
Sep 2, 2008
Sep 2, 2008
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
649
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.
9
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 649 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Oct 6, 2004, when the earliest non-provisional application in its chain was filed (this one was filed Jun 13, 2005); a parent in its chain could not be resolved (the next row) | Oct 6, 2024 | 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 | +649 days, USPTO patent term adjustment record | Jul 17, 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Jul 17, 2026 | Medium confidence |
This family
| US 8,194,655 | Lapsed on the fee record Jun 2024 | Jun 2024 |
| US 7,529,217 | Term ended Oct 2026 | Oct 2026 |
| Application PCT/US2005/010375 | PCT application no patent term | no patent term |
| Application PCT/US2005/010095 | PCT application no patent term | no patent term |
| US 7,881,239 | Term ended Aug 2026 | Aug 2026 |
| US 7,420,980 | this patent Jul 2026 | Jul 2026 |
| US 7,961,664 | In force Nov 2026 | Nov 2026 |
| US 8,059,629 | Lapsed on the fee record Nov 2023 | Nov 2023 |
8 of 9 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Jul 18, 2005 Reel 16543, frame 362 | Pister, Kristofer S. J.; Shear, Robert M. | Dust Networks, Inc. | Assignment of Assignor's Interest |
| Jan 20, 2016 Reel 37537, frame 568 | Dust Networks, Inc. | Linear Technology Corporation | Merger |
| Sep 4, 2021 Reel 57426, frame 439 | Linear Technology Corporation | Linear Technology LLC | Change of Name |
| Sep 4, 2021 Reel 57422, frame 532 | Linear Technology LLC | Analog Devices International Unlimited Company | Change of Name |
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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Note
The 649 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
21
later US patents cite this one
That is above the median of utility patents granted in 2008 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.