Collateral for a security interest recorded Oct 27, 2026 (TCW Asset Management Company LLC).
Term ends Jan 8, 2028 · High confidence
20-year base term ends Jan 8, 2028
Held by Ipc Systems, Inc.
Filed Oct 10, 2014 as application 14/511,921 · Granted May 31, 2016
Base term, 20 years from filing
Today
2008
2028
Clock starts
Jan 8, 2008
Jan 8, 2008
Term ends
Jan 8, 2028
Jan 8, 2028
Granted
May 31, 2016
May 31, 2016
base term
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,660,039, US 8,942,141, to Jan 8, 2028. The term already ends on or before that date, so the cap shortened nothing.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. 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 is its 20-year base term, with no adjustment for 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 2 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 8, 2008, when application 11/970,871, the earliest non-provisional in its chain, was filed (this one was filed Oct 10, 2014) | Jan 8, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,660,039, US 8,942,141) | resolves to Jan 8, 2028, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 8, 2028 | High confidence |
This family
| US 8,660,039 | In force Feb 2032 | Feb 2032 |
| US 8,942,141 | In force Jan 2028 | Jan 2028 |
| US 9,357,077 | this patent 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 |
|---|---|---|---|
| Oct 22, 2014 Reel 34009, frame 38 | 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
Jan 2028
Term ends Jan 8, 2028. No further fees fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,660,039, US 8,942,141, ends no earlier than this term, so it caps nothing.
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2016 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.