Term ends Feb 2, 2028 · High confidence
20-year base term ends Aug 28, 2027
Held by Itron, Inc. and Resideo Technologies Inc.
Filed May 12, 2017 as application 15/594,219 · Granted Aug 27, 2019
Base term plus 158 days of patent term adjustment (USPTO delay)
Today
2007
2028
Clock starts
Aug 28, 2007
Aug 28, 2007
Term ends
Feb 2, 2028
Feb 2, 2028
Granted
Aug 27, 2019
Aug 27, 2019
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
158
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 8,890,505, US 9,651,973, to Feb 2, 2028. The term already ends on or before that date, so the cap shortened nothing.
1 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.
74
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 158 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. 1 of 2 maintenance fees is 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 Aug 28, 2007, when application 11/895,909, the earliest non-provisional in its chain, was filed (this one was filed May 12, 2017) | Aug 28, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +158 days, USPTO patent term adjustment record | Feb 2, 2028 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,890,505, US 9,651,973) | resolves to Feb 2, 2028, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 2, 2028 | High confidence |
This family
| US 7,715,951 | In force Apr 2028 | Apr 2028 |
| Application 12/001,819 | Abandoned not computed | not computed |
| Application PCT/US2008/010200 | PCT application no patent term | no patent term |
| Application PCT/US2008/010199 | PCT application no patent term | no patent term |
| Application 61/215,725 | Provisional application no patent term | no patent term |
| Application 61/216,712 | Provisional application no patent term | no patent term |
| Application 61/278,669 | Provisional application no patent term | no patent term |
| Application 61/279,072 | Provisional application no patent term | no patent term |
8 of 74 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 15, 2017 Reel 42377, frame 187 | Forbes, Joseph W., JR. | Causam Energy, Inc. | Assignment of Assignor's Interest |
| May 28, 2021 Reel 56423, frame 728 | Causam Energy, Inc. | Causam Enterprises, Inc. | Change of Name |
| Feb 22, 2022 Reel 59068, frame 323 | Landis+gyr Technology, Inc. | Itron, Inc.; Resideo Technologies Inc. | Assignment of Assignor's Interest |
| Feb 22, 2022 reel/frame not recorded | Landis+gyr Technology, Inc. | Itron, Inc. | Assignment of Assignor's Interest |
| Feb 22, 2022 reel/frame not recorded | Landis+gyr Technology, Inc. | Resideo Technologies Inc. | Assignment of Assignor's Interest |
| Feb 23, 2022 reel/frame not recorded | Landis+gyr Technology, Inc. | Itron, Inc. | Assignment of Assignor's Interest |
| Feb 23, 2022 reel/frame not recorded | Landis+gyr Technology, Inc. | Resideo Technologies Inc. | Assignment of Assignor's Interest |
| Feb 23, 2022 Reel 59078, frame 771 | Landis+gyr Technology, Inc. | Itron, Inc.; Resideo Technologies Inc. | Assignment of Assignor's Interest |
| Jun 19, 2023 Reel 63985, frame 937 | Forbes, Joseph W., JR. | Causam Enterprises, Inc. | Court Order |
| Jul 28, 2023 Reel 64492, frame 881 | Causam Enterprises, Inc. | Causam Exchange, Inc. | License |
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 2028
Term ends Feb 2, 2028. Maintenance fees still fall due before then
Note
The 158 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 8,890,505, US 9,651,973, ends no earlier than this term, so it caps nothing.
Citations
15
later US patents cite this one
That is top 25% of utility patents granted in 2019 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.