Lapsed Mar 13, 2020 on the fee record · High confidence
20-year base term ended Feb 28, 2025
Second maintenance fee unpaid; grace period ended.
Held by Akonia Holographics, LLC
Filed Nov 25, 2009 as application 12/625,849 · Granted Mar 13, 2012
Base term, 20 years from filing, plus 5 days of patent term adjustment (USPTO delay)
Today
Lapsed Mar 13, 2020
2005
2026
Clock starts
Feb 28, 2005
Feb 28, 2005
No longer in force
Mar 13, 2020
Mar 13, 2020
Granted
Mar 13, 2012
Mar 13, 2012
Term would have run to
Mar 5, 2025
Mar 5, 2025
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
5
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 7,704,643, to Mar 5, 2025. The term already ends on or before that date, so the cap shortened nothing.
1 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.
4
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Mar 5, 2025: its 20-year base term plus 5 days of term adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Feb 28, 2005, when application 11/067,010, the earliest non-provisional in its chain, was filed (this one was filed Nov 25, 2009) | Feb 28, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +5 days, USPTO patent term adjustment record | Mar 5, 2025 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,704,643) | resolves to Mar 5, 2025, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | lapsed Mar 13, 2020 | High confidence |
| Computed term end | The steps above, in order | Mar 13, 2020 | High confidence |
This family
| US 7,704,643 | In force Aug 2027 | Aug 2027 |
| Application PCT/US2006/006749 | PCT application no patent term | no patent term |
| US 8,133,639 | this patent Mar 2020 | Mar 2020 |
| Application 13/365,304 | Abandoned not computed | not computed |
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 25, 2009 Reel 23570, frame 315 | Cole, Michael C.; Askham, Fredric R.; Wilson, William 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
Note
The 5 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 7,704,643, ends no earlier than this term, so it caps nothing.
Citations
1
later US patent cites this one
That is below 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.