Also listed on Quantel 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 Feb 1, 2034 · High confidence
20-year base term ends Jan 24, 2033
Held by Grass Valley Limited
Filed Jul 30, 2014 as application 14/375,708 · Granted Dec 5, 2017
Base term plus 373 days of patent term adjustment (USPTO delay)
Today
2013
2034
Clock starts
Jan 24, 2013
Jan 24, 2013
Term ends
Feb 1, 2034
Feb 1, 2034
Granted
Dec 5, 2017
Dec 5, 2017
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
373
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,747,722, to Feb 1, 2034. 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.
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 373 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Jan 24, 2013, when application PCT/GB2013/050156, the earliest non-provisional in its chain, was filed (this one was filed Jul 30, 2014) | Jan 24, 2033 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +373 days, USPTO patent term adjustment record | Feb 1, 2034 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,747,722) | resolves to Feb 1, 2034, 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 | In force | High confidence |
| Computed term end | The steps above, in order | Feb 1, 2034 | High confidence |
This family
| US 9,836,465 | this patent Feb 2034 | Feb 2034 |
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 |
|---|---|---|---|
| Oct 28, 2014 Reel 34054, frame 344 | Rogers, Simon Darryl; Cain, James Westland; Weaver, Michael James | Quantel Limited | Assignment of Assignor's Interest |
| Mar 6, 2020 Reel 52040, frame 198 | Quantel Limited | Snell Advanced Media Limited | Assignment of Assignor's Interest |
| Mar 9, 2020 Reel 52127, frame 795 | Snell Advanced Media Limited | Grass Valley Limited | Change of Name |
| 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
Feb 2034
Term ends Feb 1, 2034. Maintenance fees still fall due before then
Note
The 373 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 10,747,722, ends no earlier than this term, so it caps nothing.
Citations
3
later US patents cite this one
That is below the median of utility patents granted in 2017 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.