Also listed on Aclara Power-Line Systems Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Nov 30, 2026 · High confidence
20-year base term ended Nov 9, 2025
Held by Aclara Technologies LLC
Filed Nov 9, 2005 as application 11/270,789 · Granted Oct 7, 2008
Base term plus 386 days of patent term adjustment (USPTO delay)
Today
2005
2026
Clock starts
Nov 9, 2005
Nov 9, 2005
Term ends
Nov 30, 2026
Nov 30, 2026
Granted
Oct 7, 2008
Oct 7, 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
386
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.
2
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 386 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 Nov 9, 2005, when this application, 11/270,789, was filed | Nov 9, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +386 days, USPTO patent term adjustment record | Nov 30, 2026 | 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 | Nov 30, 2026 | High confidence |
This family
| US 7,432,823 | this patent Nov 2026 | Nov 2026 |
| Application PCT/US2006/043084 | PCT application no patent term | no patent term |
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 |
|---|---|---|---|
| Nov 9, 2005 Reel 17237, frame 951 | Soni, Devendra K. | Distribution Control Systems, Inc. | Assignment of Assignor's Interest |
| Jan 23, 2014 Reel 32119, frame 400 | Distribution Control Systems, Inc. | Aclara Power-Line Systems Inc. | Change of Name |
| Jan 24, 2014 Reel 32036, frame 555 | Aclara Power-Line Systems Inc. | Aclara Technologies LLC | Merger |
| Mar 28, 2014 Reel 32554, frame 912 | Aclara Technologies LLC | Cerberus Business Finance, LLC, as Agent | Patent Security Agreement |
| Apr 4, 2014 Reel 32608, frame 55 | Aclara Technologies LLC | BMO Harris Bank N.A. | Security Interest |
| Apr 18, 2014 Reel 32712, frame 931 | Meter Readings Holding, LLC; Aclara Technologies LLC; Aclara International LLC | Pnc Bank, National Association | Security Interest |
| Apr 21, 2014 Reel 32715, frame 461 | Bmo Harris Bank, N.a. | Aclara Technologies, LLC | Release of Security Interest |
| Aug 30, 2016 Reel 39872, frame 227 | Aclara Technologies LLC; Aclara Meters LLC | Morgan Stanley Senior Funding, Inc., as Collateral Agent | Security Agreement |
| Aug 30, 2016 Reel 39880, frame 908 | Cerberus Business Finance, LLC | Aclara Technologies LLC; Aclara Meters LLC F/K/A MRH Meters LLC | Release of Security Interest in Patents |
| Aug 30, 2016 reel/frame not recorded | Cerberus Business Finance, LLC | Aclara Technologies LLC | Release of Security Interest in Patents |
| Aug 30, 2016 reel/frame not recorded | Cerberus Business Finance, LLC | Aclara Meters LLC F/K/A MRH Meters LLC | Release of Security Interest in Patents |
| Feb 5, 2018 Reel 45245, frame 231 | Morgan Stanley Senior Funding, Inc. | Aclara Technologies LLC; Aclara Meters LLC | Release of Security Interest |
| Feb 5, 2018 reel/frame not recorded | Morgan Stanley Senior Funding, Inc. | Aclara Technologies LLC | Release of Security Interest |
| Feb 5, 2018 reel/frame not recorded | Morgan Stanley Senior Funding, Inc. | Aclara Meters LLC | Release of Security Interest |
| Mar 6, 2018 Reel 45502, frame 776 | Pnc Bank, National Association | Aclara Technologies LLC | Termination and Release of Patent Security Agreement |
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.
What's changing
Nov 2026
Term ends Nov 30, 2026. No further fees fall due before then
Note
The 386 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
27
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.