Collateral for a security interest recorded Oct 27, 2026 (TCW Asset Management Company LLC).
Term ends Feb 17, 2032 · High confidence
20-year base term ends Jan 8, 2028
Held by Ipc Systems, Inc.
Filed Jan 8, 2008 as application 11/970,871 · Granted Feb 25, 2014
Base term plus 1501 days of patent term adjustment (USPTO delay)
Today
2008
2032
Clock starts
Jan 8, 2008
Jan 8, 2008
Term ends
Feb 17, 2032
Feb 17, 2032
Granted
Feb 25, 2014
Feb 25, 2014
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
1,501
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.
8
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 1501 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 Jan 8, 2008, when this application, 11/970,871, was filed | Jan 8, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1501 days, USPTO patent term adjustment record | Feb 17, 2032 | 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 | Feb 17, 2032 | High confidence |
This family
| US 8,660,039 | this patent Feb 2032 | Feb 2032 |
| US 8,942,141 | In force Jan 2028 | Jan 2028 |
| US 9,357,077 | In force Jan 2028 | Jan 2028 |
| Application 15/164,166 | Abandoned not computed | not computed |
| Application 17/958,700 | Abandoned not computed | not computed |
| Application 18/480,283 | Abandoned not computed | not computed |
| Application 18/668,629 | Abandoned not computed | not computed |
| Application 19/011,036 | Pending not computed | not computed |
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 5, 2014 Reel 32147, frame 161 | Brand, Stephen; Jurrius, John; Brand, David | Intracom Systems, LLC | Assignment of Assignor's Interest |
| Mar 10, 2025 Reel 70454, frame 600 | Intracom Systems, LLC | Ipc Systems, Inc. | Assignment of Assignor's Interest |
| Mar 11, 2026 Reel 75090, frame 164 | Ipc Systems, Inc. | HPS Investment Partners, LLC, as Collateral Agent | First Lien Security Interest |
| Oct 27, 2026 Reel 76521, frame 140 | Ipc Systems, Inc. | TCW Asset Management Company LLC, as Agent | Security Interest |
| Oct 30, 2026 Reel 76579, frame 182 | HPS Investment Partners, LLC, as Collateral Agent | Ipc Systems, 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Feb 2032
Term ends Feb 17, 2032. No further fees fall due before then
Note
The 1501 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
30
later US patents cite this one
That is top 25% of utility patents granted in 2014 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.