Lapsed Jan 24, 2024 on the fee record · High confidence
20-year base term ended Sep 25, 2026
Third maintenance fee unpaid; grace period ended.
Held by Analog Devices, Inc.
Filed Jun 30, 2009 as application 12/495,650 · Granted Jan 24, 2012
Base term, 20 years from filing, plus 198 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Lapsed Jan 24, 2024
2006
2026
Clock starts
Sep 25, 2006
Sep 25, 2006
No longer in force
Jan 24, 2024
Jan 24, 2024
Granted
Jan 24, 2012
Jan 24, 2012
Term would have run to
Dec 8, 2026
Dec 8, 2026
base term
patent term adjustment
after the term ends
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
198
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 7,576,598.
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.
2
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 Dec 8, 2026: its 20-year base term plus 198 days of term adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Sep 25, 2006, when application 11/529,723, the earliest non-provisional in its chain, was filed (this one was filed Jun 30, 2009) | Sep 25, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +198 days, USPTO patent term adjustment record | Apr 11, 2027 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,576,598) | capped to Dec 8, 2026 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Jan 24, 2024 | High confidence |
| Computed term end | The steps above, in order | Jan 24, 2024 | High confidence |
This family
| US 7,576,598 | In force Dec 2026 | Dec 2026 |
| US 8,102,201 | this patent Jan 2024 | Jan 2024 |
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 21, 2009 Reel 23257, frame 278 | Marinca, Stefan | Analog Devices, Inc. | Assignment of Assignor's 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 198 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 7,576,598.
Citations
10
later US patents cite this one
That is above the median of utility patents granted in 2012 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.