Also listed on Immudex APS, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Feb 28, 2033 · High confidence
20-year base term ends Jul 22, 2029
Held by Agilent Technologies, Inc.
Filed May 16, 2011 as application 13/055,321 · Granted Jul 28, 2020
Base term plus 1317 days of patent term adjustment (USPTO delay)
Today
2009
2033
Clock starts
Jul 22, 2009
Jul 22, 2009
Term ends
Feb 28, 2033
Feb 28, 2033
Granted
Jul 28, 2020
Jul 28, 2020
base term
patent term adjustment
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
1,317
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.
2
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 1317 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is paid so far. 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 Jul 22, 2009, when application PCT/DK2009/050185, the earliest non-provisional in its chain, was filed (this one was filed May 16, 2011) | Jul 22, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1317 days, USPTO patent term adjustment record | Feb 28, 2033 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Feb 28, 2033 | High confidence |
This family
| US 10,722,562 | this patent Feb 2033 | Feb 2033 |
1 of 2 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 23, 2011 Reel 26489, frame 249 | Pedersen, Henrik | Chemgene Holding APS | Assignment of Assignor's Interest |
| Jun 23, 2011 Reel 26489, frame 373 | Chemgene Holding APS | Immudex A/S | Assignment of Assignor's Interest |
| Jun 23, 2011 Reel 26489, frame 489 | Pedersen, Henrik; Brix, Liselotte | Dako Denmark A/S | Assignment of Assignor's Interest |
| Jan 27, 2020 Reel 51708, frame 767 | Dako Denmark A/S | Dako Denmark APS | Change of Name |
| Jan 27, 2020 Reel 51629, frame 162 | Dako Denmark APS | Agilent Technologies, 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Feb 2033
Term ends Feb 28, 2033. Maintenance fees still fall due before then
Note
The 1317 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
207
later US patents cite this one
That is top 1% of utility patents granted in 2020 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.