Term ends Jan 27, 2027 · High confidence
20-year base term ended May 11, 2026
Held by Tyco Fire & Security GmbH
Filed May 11, 2006 as application 11/432,120 · Granted Nov 25, 2008
Base term plus 261 days of patent term adjustment (USPTO delay)
Today
2006
2027
Clock starts
May 11, 2006
May 11, 2006
Term ends
Jan 27, 2027
Jan 27, 2027
Granted
Nov 25, 2008
Nov 25, 2008
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
261
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.
19
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 261 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 May 11, 2006, when this application, 11/432,120, was filed | May 11, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +261 days, USPTO patent term adjustment record | Jan 27, 2027 | 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 | Jan 27, 2027 | High confidence |
This family
| US 7,295,127 | Term ended no later than Dec 2023 | no later than Dec 2023 |
| US 7,145,466 | Term ended no later than Jul 2024 | no later than Jul 2024 |
| US 7,456,585 | this patent Jan 2027 | Jan 2027 |
| US 7,471,049 | In force Dec 2026 | Dec 2026 |
| US 7,714,733 | Term ended Dec 2023 | Dec 2023 |
| Application 60/904,970 | Pending not computed | not computed |
| US 8,378,806 | In force no later than Aug 2031 | no later than Aug 2031 |
| Application 12/970,035 | Abandoned not computed | not computed |
8 of 19 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 |
|---|---|---|---|
| May 11, 2006 Reel 17895, frame 901 | Savage, Kenneth E., JR.; Hendren, David L., JR. | Simplexgrinnell LP | Assignment of Assignor's Interest |
| Feb 10, 2014 Reel 32229, frame 201 | Simplexgrinnell LP | Tyco Fire & Security GmbH | Assignment of Assignor's Interest |
| Jan 29, 2019 Reel 49671, frame 756 | Tyco Fire & Security GmbH | Johnson Controls Fire Protection LP | Assignment of Assignor's Interest |
| Dec 30, 2021 Reel 58599, frame 339 | Johnson Controls Fire Protection LP | Johnson Controls US Holdings LLC | Assignment of Assignor's Interest |
| Dec 30, 2021 Reel 58599, frame 922 | Johnson Controls US Holdings LLC | Johnson Controls Inc. | Assignment of Assignor's Interest |
| Dec 30, 2021 Reel 58600, frame 47 | Johnson Controls Inc. | Johnson Controls Tyco IP Holdings LLP | Assignment of Assignor's Interest |
| Mar 5, 2024 Reel 66740, frame 208 | Johnson Controls Tyco IP Holdings LLP | Tyco Fire & Security GmbH | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Jan 2027
Term ends Jan 27, 2027. No further fees fall due before then
Note
The 261 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
11
later US patents cite this one
That is above the median of utility patents granted in 2008 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.