Also listed on Intellectual Ventures Assets 186 LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Aug 22, 2027 · Low confidence
20-year base term ended Apr 11, 2026
Reissue of US 7,580,036, which was surrendered when this reissue was granted; its term and maintenance fees continue here.
Held by Accessify, LLC
Filed Aug 24, 2011 as application 13/216,950 · Granted Jul 9, 2013
Base term plus 498 days of patent term adjustment (USPTO delay)
Today
2006
2027
Clock starts
Apr 11, 2006
Apr 11, 2006
Term ends
Aug 22, 2027
Aug 22, 2027
Granted
Jul 9, 2013
Jul 9, 2013
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
498
Days of term adjustment
Read from the original patent's USPTO patent term adjustment record, which governs a reissue. 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 the original patent's grant (Aug 25, 2009). 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 498 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: Low. 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 Apr 11, 2006, when application 11/401,349, the earliest non-provisional in its chain, was filed (this one was filed Aug 24, 2011) | Apr 11, 2026 | High confidence |
| Continuity chain | A reissue: its term follows the original patent's, with the original's term adjustment | follows the original patent | Medium confidence |
| Patent term adjustment | +498 days, the original patent's USPTO patent term adjustment record, which governs a reissue (35 U.S.C. 251). This reissue's own record carries none | Aug 22, 2027 | Medium 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 | Aug 22, 2027 | Low confidence |
This family
| US 7,580,036 | Surrendered on reissue Jul 2013 | Jul 2013 |
| US RE44,348 | this patent Aug 2027 | Aug 2027 |
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 |
|---|---|---|---|
| Dec 6, 2015 Reel 37220, frame 255 | Noregin Assets N.v., L.l.c. | Callahan Cellular L.L.C. | Merger |
| Feb 12, 2023 Reel 62708, frame 463 | Callahan Cellular L.L.C. | Intellectual Ventures Assets 186 LLC | Assignment of Assignor's Interest |
| Mar 23, 2023 Reel 63155, frame 300 | Mind Fusion, LLC | Intellectual Ventures Assets 186 LLC | Security Interest |
| Jul 13, 2023 Reel 64271, frame 1 | Intellectual Ventures Assets 186 LLC | Mind Fusion, LLC | Assignment of Assignor's Interest |
| Jul 21, 2023 Reel 64357, frame 642 | Mind Fusion, LLC | Accessify, 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
Aug 2027
Term ends Aug 22, 2027. No further fees fall due before then
Note
The 498 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2013 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.