Also listed on Inphase Technologies, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Nov 9, 2030 · High confidence
20-year base term ends Jul 24, 2029
Held by Akonia Holographics, LLC
Filed Jul 24, 2009 as application 12/508,784 · Granted Jul 31, 2012
Base term plus 473 days of patent term adjustment (USPTO delay)
Today
2009
2030
Clock starts
Jul 24, 2009
Jul 24, 2009
Term ends
Nov 9, 2030
Nov 9, 2030
Granted
Jul 31, 2012
Jul 31, 2012
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
473
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.
This patent's term runs 473 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 Jul 24, 2009, when this application, 12/508,784, was filed | Jul 24, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +473 days, USPTO patent term adjustment record | Nov 9, 2030 | 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 9, 2030 | High confidence |
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 13, 2009 Reel 23361, frame 192 | Askham, Fredric R. | Inphase Technologies, Inc. | Assignment of Assignor's Interest |
| Oct 9, 2012 Reel 29100, frame 145 | Inphase Technologies, Inc. | Acadia Woods Partners, LLC | Assignment of Assignor's Interest |
| Oct 9, 2012 Reel 29100, frame 192 | Acadia Woods Partners, LLC | Akonia Holographics, LLC | 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.
What's changing
Nov 2030
Term ends Nov 9, 2030. No further fees fall due before then
Note
The 473 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 2012 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.