Also listed on Dragonwave X LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jan 8, 2033 · High confidence
20-year base term ends Oct 23, 2032
Held by Coms IP Holdings, LLC
Filed Oct 23, 2012 as application 13/658,566 · Granted Mar 31, 2015
Base term plus 77 days of patent term adjustment (USPTO delay)
Today
2012
2033
Clock starts
Oct 23, 2012
Oct 23, 2012
Term ends
Jan 8, 2033
Jan 8, 2033
Granted
Mar 31, 2015
Mar 31, 2015
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
77
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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 runs 77 days past its 20-year base term on 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 Oct 23, 2012, when this application, 13/658,566, was filed | Oct 23, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +77 days, USPTO patent term adjustment record | Jan 8, 2033 | 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 | Jan 8, 2033 | 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 19, 2013 Reel 31238, frame 485 | Aharony, Ahikam; Li, Chunyao; Prokoptsov, Mikhail | Dragonware, Inc. | Assignment of Assignor's Interest |
| Oct 7, 2013 Reel 31371, frame 28 | Aharony, Ahikam; Li, Chunyao | Dragonwave, Inc. | Corrective Assignment to Correct the Typographical Error in the Name of the Assignee Previously Recorded on Reel 031238 Frame 0485. Assignor(S) Hereby Confirms the Correct Assignee for the Current Application Is Dragonwave, Inc.. |
| Oct 25, 2013 Reel 31475, frame 414 | Prokoptsov, Mikhail | Dragonwave, Inc. | Assignment of Assignor's Interest |
| Feb 3, 2016 Reel 37655, frame 957 | Dragonwave Inc. | Comerica Bank | Security Interest |
| Mar 8, 2019 Reel 48543, frame 58 | Dragonwave Inc. | Transform-X, Inc. | Assignment of Assignor's Interest |
| Sep 24, 2019 Reel 50470, frame 94 | Dragonwave Inc. | Dragonwave-X Canada, Inc. | Corrective Assignment to Correct the Receiving Party Previously Recorded at Reel: 048543 Frame: 0058. Assignor(S) Hereby Confirms the Assignment. |
| Sep 24, 2019 Reel 50476, frame 639 | Dragonwave-X Canada, Inc. | Dragonwave-X, LLC | Assignment of Assignor's Interest |
| Aug 3, 2022 Reel 60713, frame 728 | Dragonwave-X, LLC | Coms IP Holdings, 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
Jan 2033
Term ends Jan 8, 2033.
Note
The 77 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2
later US patents cite this one
That is below the median 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.