Also listed on Fiberlink Communications Corporation, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jul 2, 2032 · High confidence
20-year base term ends Jul 2, 2032
Held by Taasera Licensing LLC
Filed Jul 2, 2012 as application 13/540,142 · Granted Jun 30, 2015
Base term, 20 years from filing
Today
2012
2032
Clock starts
Jul 2, 2012
Jul 2, 2012
Term ends
Jul 2, 2032
Jul 2, 2032
Granted
Jun 30, 2015
Jun 30, 2015
base term
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
2 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 is its 20-year base term, with no adjustment for prosecution delay. 2 of 3 maintenance fees are 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 Jul 2, 2012, when this application, 13/540,142, was filed | Jul 2, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 2, 2032 | 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 |
|---|---|---|---|
| Sep 18, 2012 Reel 28981, frame 607 | Malik, Jatin; Singh, Ratnesh; Bopalli, Rajakumar | Fiberlink Communications Corporation | Assignment of Assignor's Interest |
| Dec 26, 2012 Reel 29666, frame 685 | Fiberlink Communications Corporation | Horizon Technology Finance Corporation | Security Interest |
| Dec 17, 2013 Reel 31802, frame 411 | Horizon Technology Finance Corporation | Fiberlink Communications Corporation | Release of Security Interest |
| Jun 24, 2016 Reel 39001, frame 462 | Fiberlink Communications Corporation | International Business Machines Corporation | Assignment of Assignor's Interest |
| Nov 14, 2019 Reel 51032, frame 784 | International Business Machines Corporation | Daedalus Group LLC | Assignment of Assignor's Interest |
| Jan 27, 2020 Reel 51710, frame 445 | International Business Machines Corporation | Daedalus Group, LLC | Assignment of Assignor's Interest |
| Jan 29, 2020 Reel 51737, frame 191 | Daedalus Group, LLC | Daedalus Blue LLC | Assignment of Assignor's Interest |
| Dec 1, 2021 Reel 58262, frame 231 | Daedalus Blue LLC | Taasera Licensing 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
Jul 2032
Term ends Jul 2, 2032. Maintenance fees still fall due before then
Citations
370
later US patents cite this one
That is top 1% of utility patents granted in 2015 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.