Lapsed Oct 26, 2022 on the fee record · High confidence
20-year base term ended Nov 14, 2023
Third maintenance fee unpaid; grace period ended.
Filed Mar 18, 2005 as application 11/083,784 · Granted Oct 26, 2010
Base term, 20 years from filing
Today
Lapsed Oct 26, 2022
2003
2026
Clock starts
Nov 14, 2003
Nov 14, 2003
No longer in force
Oct 26, 2022
Oct 26, 2022
Granted
Oct 26, 2010
Oct 26, 2010
Term would have run to
Nov 14, 2023
Nov 14, 2023
base term
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,511,132, to Nov 14, 2023. The term already ends on or before that date, so the cap shortened nothing.
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 Nov 14, 2023: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Mar 18, 2005) | Nov 14, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,511,132) | resolves to Nov 14, 2023, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Oct 26, 2022 | High confidence |
| Computed term end | The steps above, in order | Oct 26, 2022 | 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 | this patent 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 | Lapsed on the fee record 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 |
|---|---|---|---|
| Sep 23, 2009 Reel 23270, frame 783 | Khvorova, Anastasia; Reynolds, Angela; Leake, Devin; Marshall, William; Read, Steven; Scaringe, Stephen | Dharmacon, Inc. | Assignment of Assignor's Interest |
| Apr 21, 2014 Reel 32720, frame 846 | Thermo Fisher Scientific Biosciences Inc. | Thermo Fisher Scientific Inc. | Assignment of Assignor's Interest |
| Apr 30, 2014 Reel 32789, frame 763 | 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.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 7,511,132, ends no earlier than this term, so it caps nothing.
Citations
269
later US patents cite this one
That is top 5% of utility patents granted in 2010 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.