Lapsed Jul 21, 2023 on the fee record · Medium confidence
20-year base term ended Apr 7, 2025
Why Medium: A parent in the chain could not be resolved.
Second maintenance fee unpaid; grace period ended.
Held by Abbott Laboratories
Filed May 5, 2010 as application 12/774,445 · Granted Jul 21, 2015
Base term, 20 years from filing, plus 75 days of patent term adjustment (USPTO delay)
Today
Lapsed Jul 21, 2023
2005
2026
Clock starts
Apr 7, 2005
Apr 7, 2005
No longer in force
Jul 21, 2023
Jul 21, 2023
Granted
Jul 21, 2015
Jul 21, 2015
Term would have run to
Jun 21, 2025
Jun 21, 2025
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
75
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 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.
5
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 Jun 21, 2025: its 20-year base term plus 75 days of term adjustment for prosecution delay. 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 Apr 7, 2005, when application PCT/US2005/011602, the earliest non-provisional in its chain, was filed (this one was filed May 5, 2010); a parent in its chain could not be resolved (the next row) | Apr 7, 2025 | 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 | +75 days, USPTO patent term adjustment record | Jun 21, 2025 | 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 2 maintenance fees paid | lapsed Jul 21, 2023 | High confidence |
| Computed term end | The steps above, in order | Jul 21, 2023 | Medium confidence |
This family
| US 7,850,916 | In force Sep 2027 | Sep 2027 |
| US 9,084,995 | this patent Jul 2023 | Jul 2023 |
| US 8,241,572 | Term ended Apr 2025 | Apr 2025 |
| US 10,578,602 | In force Nov 2026 | Nov 2026 |
4 of 5 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 |
|---|---|---|---|
| Aug 10, 2011 Reel 26726, frame 400 | Wardlaw, Stephen C. | Wardlaw Partners LP | Assignment of Assignor's Interest |
| Aug 10, 2011 Reel 26726, frame 454 | Wardlaw Partners LP | QDX, Inc. | Assignment of Assignor's Interest |
| Aug 10, 2011 Reel 26726, frame 545 | QDX, Inc. | Abbott Laboratories | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Note
The 75 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
52
later US patents cite this one
That is top 10% of utility patents granted in 2015 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.