Also listed on Ericsson IT Solutions & Services SAS, an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Jun 23, 2026 (Blue Torch Finance LLC).
Term ends Jun 11, 2028 · High confidence
20-year base term ended May 6, 2024
Held by MK Systems USA Inc.
Filed Nov 3, 2005 as application 10/555,498 · Granted Feb 8, 2011
Base term plus 1497 days of patent term adjustment (USPTO delay)
Today
2004
2028
Clock starts
May 6, 2004
May 6, 2004
Term ends
Jun 11, 2028
Jun 11, 2028
Granted
Feb 8, 2011
Feb 8, 2011
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
1,497
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.
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 1497 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 May 6, 2004, when application PCT/FR2004/001106, the earliest non-provisional in its chain, was filed (this one was filed Nov 3, 2005) | May 6, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1497 days, USPTO patent term adjustment record | Jun 11, 2028 | 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 | Jun 11, 2028 | High confidence |
This family
| US 7,885,334 | this patent Jun 2028 | Jun 2028 |
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 |
|---|---|---|---|
| Nov 3, 2005 Reel 17925, frame 109 | Muller, Matthieu; Ropert, Mickael; Macaulay, Alex; Lebras, Erwan | Envivio France | Assignment of Assignor's Interest |
| Sep 13, 2006 Reel 18264, frame 625 | Muller, Matthieu; Ropert, Mickael; Macaulay, Alex; Le Bras, Erwan | Envivio France | Re-Record to Correct the Name of the Fourth Assignor, Previously Recorded on Reel 017925 Frame 0109. |
| Sep 15, 2020 Reel 53771, frame 453 | Envivio France; Ericsson IT Solutions & Services SAS | Ericsson IT Solutions & Services SAS | Merger and Change of Name |
| Sep 15, 2020 Reel 53772, frame 363 | Ericsson France | Leone Media Inc. | Assignment of Assignor's Interest |
| Sep 15, 2020 Reel 53772, frame 734 | Leone Media Inc. | MK Systems US Holdco Inc. | Assignment of Assignor's Interest |
| Sep 15, 2020 Reel 53774, frame 377 | MK Systems US Holdco Inc. | MK Systems US Sub-Holdco Inc. | Assignment of Assignor's Interest |
| Sep 15, 2020 Reel 53774, frame 639 | MK Systems US Sub-Holdco Inc. | MK Systems USA Inc. | Assignment of Assignor's Interest |
| Sep 15, 2020 Reel 53780, frame 945 | Ericsson IT Solutions & Services SAS; Ericsson France | Ericsson France | Merger and Change of Name |
| May 20, 2022 Reel 60134, frame 68 | MK Systems USA Inc. | Citibank, N.A., as Agent | Security Interest |
| Oct 10, 2025 Reel 73062, frame 487 | MK Systems USA Inc. | Wells Fargo Bank, National Association, as Agent | Security Interest |
| Oct 14, 2025 Reel 73070, frame 114 | Citibank, N.A., as Agent | MK Systems USA Inc. | Release of Security Interest |
| Jun 23, 2026 Reel 75802, frame 128 | MK Systems USA Inc. | Blue Torch Finance LLC | Security Interest |
| Jun 25, 2026 Reel 75826, frame 503 | Wells Fargo Bank, National Association, as Agent | MK Systems USA Inc. | Release of Security 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.
What's changing
Jun 2028
Term ends Jun 11, 2028. No further fees fall due before then
Note
The 1497 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
13
later US patents cite this one
That is above the median of utility patents granted in 2011 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.