Also listed on Grass Valley Limited, an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Mar 20, 2024 (MS Private Credit Administrative Services LLC).
Term ends Oct 14, 2028 · High confidence
20-year base term ended Apr 2, 2024
Held by Grass Valley Canada
Filed Feb 8, 2007 as application 10/551,806 · Granted Aug 4, 2015
Base term plus 1656 days of patent term adjustment (USPTO delay)
Today
2004
2028
Clock starts
Apr 2, 2004
Apr 2, 2004
Term ends
Oct 14, 2028
Oct 14, 2028
Granted
Aug 4, 2015
Aug 4, 2015
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
1,656
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.
4
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 1656 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are 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 Apr 2, 2004, when application PCT/AU2004/000441, the earliest non-provisional in its chain, was filed (this one was filed Feb 8, 2007) | Apr 2, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1656 days, USPTO patent term adjustment record | Oct 14, 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Oct 14, 2028 | High confidence |
This family
| US 9,098,193 | this patent Oct 2028 | Oct 2028 |
| US 10,013,154 | Term ended Feb 2025 | Feb 2025 |
| Application 16/018,619 | Abandoned not computed | not computed |
3 of 4 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 |
|---|---|---|---|
| Feb 6, 2007 Reel 18859, frame 771 | Stoneham, Mark; Griggs, David; Sabine, David; Caves, Matthew; Broadbridge, Graham; Reznik, Michael; Grealy, Colin; Morrison, Craig; Barnett, Thomas; McMillan, Christopher | Evolution Broadcast Pty Limited | Assignment of Assignor's Interest |
| Dec 8, 2008 Reel 21935, frame 60 | Evolution Broadcast Pty Limited | Evolution Pty Limited | Assignment of Assignor's Interest |
| Aug 3, 2015 Reel 36238, frame 257 | Evolution Pty Ltd. | Grass Valley Australia Pty Ltd. | Assignment of Assignor's Interest |
| Apr 30, 2018 Reel 45667, frame 259 | Grass Valley Australia Pty Ltd. | Grass Valley Canada | Assignment of Assignor's Interest |
| Jul 2, 2020 Reel 53122, frame 666 | Grass Valley USA, LLC; Grass Valley Canada; Grass Valley Limited | MGG Investment Group LP, as Collateral Agent | Grant of Security Interest - Patents |
| Mar 20, 2024 Reel 66850, frame 869 | Grass Valley Canada; Grass Valley Limited | MS Private Credit Administrative Services LLC | Security Interest |
| Mar 21, 2024 Reel 66867, frame 336 | MGG Investment Group LP | Grass Valley USA, LLC; Grass Valley Canada; Grass Valley Limited | Termination and Release of Patent Security Agreement |
| Mar 21, 2024 reel/frame not recorded | MGG Investment Group LP | Grass Valley USA, LLC | Termination and Release of Patent Security Agreement |
| Mar 21, 2024 reel/frame not recorded | MGG Investment Group LP | Grass Valley Canada | Termination and Release of Patent Security Agreement |
| Mar 21, 2024 reel/frame not recorded | MGG Investment Group LP | Grass Valley Limited | Termination and Release of Patent Security Agreement |
| Dec 12, 2025 Reel 73959, frame 584 | MS Private Credit Administrative Services LLC | MGG Investment Group LP | Assignment of Intellectual Property Security Agreements |
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
Oct 2028
Term ends Oct 14, 2028. Maintenance fees still fall due before then
Note
The 1656 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
160
later US patents cite this one
That is top 5% of utility patents granted in 2015 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.