Lapsed Feb 19, 2021 on the fee record · High confidence
20-year base term ended Aug 1, 2026
Second maintenance fee unpaid; grace period ended.
Held by Abbott Diabetes Care Inc.
Filed May 7, 2009 as application 12/437,129 · Granted Feb 19, 2013
Base term, 20 years from filing, plus 497 days of patent term adjustment (USPTO delay)
Today
Lapsed Feb 19, 2021
2006
2027
Clock starts
Aug 1, 2006
Aug 1, 2006
No longer in force
Feb 19, 2021
Feb 19, 2021
Granted
Feb 19, 2013
Feb 19, 2013
Term would have run to
Dec 11, 2027
Dec 11, 2027
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
497
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
Its term would have run to Dec 11, 2027: its 20-year base term plus 497 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 Aug 1, 2006, when application 11/461,725, the earliest non-provisional in its chain, was filed (this one was filed May 7, 2009) | Aug 1, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +497 days, USPTO patent term adjustment record | Dec 11, 2027 | 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 | 1 of 3 maintenance fees paid | lapsed Feb 19, 2021 | High confidence |
| Computed term end | The steps above, in order | Feb 19, 2021 | High confidence |
This family
| US 7,866,026 | Term ended Aug 2026 | Aug 2026 |
| Application PCT/US2007/016554 | PCT application no patent term | no patent term |
| US 7,895,740 | Term ended Aug 2026 | Aug 2026 |
| US 7,918,012 | Term ended no later than Nov 2026 | no later than Nov 2026 |
| US 8,375,574 | this patent Feb 2021 | Feb 2021 |
| US 7,996,988 | In force May 2027 | May 2027 |
| US 8,677,611 | In force Jan 2027 | Jan 2027 |
| US 9,625,411 | In force Jan 2027 | Jan 2027 |
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 |
|---|---|---|---|
| May 12, 2009 Reel 22673, frame 434 | Wang, Yi; Feldman, Benjamin J. | Abbott Diabetes Care 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 497 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
4
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.