Lapsed Nov 10, 2021 on the fee record · High confidence
20-year base term ended Nov 14, 2023
Third maintenance fee unpaid; grace period ended.
Filed Nov 3, 2006 as application 11/593,100 · Granted Nov 10, 2009
Base term, 20 years from filing, plus 455 days of patent term adjustment (USPTO delay)
Today
Lapsed Nov 10, 2021
2003
2026
Clock starts
Nov 14, 2003
Nov 14, 2003
No longer in force
Nov 10, 2021
Nov 10, 2021
Granted
Nov 10, 2009
Nov 10, 2009
Term would have run to
Feb 11, 2025
Feb 11, 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
455
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
168
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 Feb 11, 2025: its 20-year base term plus 455 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 Nov 14, 2003, when application 10/714,333, the earliest non-provisional in its chain, was filed (this one was filed Nov 3, 2006) | Nov 14, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +455 days, USPTO patent term adjustment record | Feb 11, 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 | 2 of 3 maintenance fees paid | lapsed Nov 10, 2021 | High confidence |
| Computed term end | The steps above, in order | Nov 10, 2021 | High confidence |
This family
| US 8,090,542 | Term ended Dec 2023 | Dec 2023 |
| Application PCT/US2004/014885 | PCT application no patent term | no patent term |
| Application 10/940,892 | Abandoned not computed | not computed |
| US 7,820,809 | Lapsed on the fee record Oct 2022 | Oct 2022 |
| Application 11/093,832 | Abandoned not computed | not computed |
| US 7,834,170 | In force no later than May 2027 | no later than May 2027 |
| US 7,691,997 | Term ended Feb 2026 | Feb 2026 |
| US 7,615,541 | this patent Nov 2021 | Nov 2021 |
8 of 168 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 |
|---|---|---|---|
| Jun 21, 2010 Reel 24563, frame 204 | Khvorova, Anastasia; Reynolds, Angela; Leake, Devin; Marshall, William; Read, Steven; Scaringe, Stephen | Dharmacon, Inc. | Assignment of Assignor's Interest |
| Apr 22, 2014 Reel 32723, frame 362 | Thermo Fisher Scientific Biosciences Inc. | Thermo Fisher Scientific Inc. | Assignment of Assignor's Interest |
| Apr 24, 2014 Reel 32747, frame 258 | Dharmacon, Inc. | Thermo Fisher Scientific Biosciences Inc. | 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 455 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
59
later US patents cite this one
That is top 25% of utility patents granted in 2009 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.