Term ends Jul 18, 2030 · High confidence
20-year base term ends Mar 17, 2029
Held by Isoplexis Corporation
Filed Mar 17, 2009 as application 12/405,694 · Granted Dec 17, 2013
Base term plus 488 days of patent term adjustment (USPTO delay)
Today
2009
2030
Clock starts
Mar 17, 2009
Mar 17, 2009
Term ends
Jul 18, 2030
Jul 18, 2030
Granted
Dec 17, 2013
Dec 17, 2013
base term
patent term adjustment
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
488
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
31
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 488 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Mar 17, 2009, when this application, 12/405,694, was filed | Mar 17, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +488 days, USPTO patent term adjustment record | Jul 18, 2030 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 18, 2030 | High confidence |
This family
| Application 12/020,284 | Abandoned not computed | not computed |
| US 8,612,161 | this patent Jul 2030 | Jul 2030 |
| Application 12/405,779 | Abandoned not computed | not computed |
| US 8,940,481 | In force Jan 2028 | Jan 2028 |
| US 8,481,259 | In force Nov 2028 | Nov 2028 |
| US 9,017,973 | In force Mar 2029 | Mar 2029 |
| US 8,900,810 | In force Jan 2028 | Jan 2028 |
| US 9,879,309 | In force Oct 2030 | Oct 2030 |
8 of 31 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 10, 2011 Reel 26428, frame 815 | Gordon, Steven; Veatch, Phillip A. | Intelligent Bio-Systems, Inc. | Assignment of Assignor's Interest |
| May 17, 2018 Reel 47132, frame 861 | Intelligent Bio-Systems, Inc. | Qiagen Waltham, Inc. | Change of Name |
| Nov 8, 2018 Reel 47923, frame 815 | Qiagen Waltham, Inc. | Qiagen Sciences, LLC | Merger |
| Jul 7, 2022 Reel 60614, frame 455 | Qiagen Sciences, LLC | Isoplexis Corporation | Amended Patent Purchase Agreement |
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.
What's changing
Jul 2030
Term ends Jul 18, 2030. No further fees fall due before then
Note
The 488 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
29
later US patents cite this one
That is top 25% 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.