Term ended Oct 5, 2026 · High confidence
20-year base term ended Oct 5, 2026
Held by Belden Inc.
Filed Feb 22, 2013 as application 13/774,888 · Granted May 26, 2015
Base term plus 129 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Term ended Oct 5, 2026
2006
2026
Clock starts
Oct 5, 2006
Oct 5, 2006
Term ended
Oct 5, 2026
Oct 5, 2026
Granted
May 26, 2015
May 26, 2015
base term
after the term ends
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
129
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 8,042,147, US 8,407,758.
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.
3
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 129 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Oct 5, 2006, when application 11/544,019, the earliest non-provisional in its chain, was filed (this one was filed Feb 22, 2013) | Oct 5, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +129 days, USPTO patent term adjustment record | Feb 11, 2027 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,042,147, US 8,407,758) | capped to Oct 5, 2026 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Oct 5, 2026 | High confidence |
This family
| US 8,042,147 | In force Oct 2029 | Oct 2029 |
| US 8,407,758 | Term ended Oct 2026 | Oct 2026 |
| US 9,043,868 | this patent Oct 2026 | Oct 2026 |
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 |
|---|---|---|---|
| Jan 12, 2015 Reel 34683, frame 491 | Byres, Eric; Lissimore, Darren; Karsch, John; Lee, Khai | Byres Security | Assignment of Assignor's Interest |
| Apr 7, 2020 Reel 52326, frame 507 | Byres Security | Belden Inc. | Assignment of Assignor's 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 129 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 8,042,147, US 8,407,758.
Citations
14
later US patents cite this one
That is above the median 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.