Term ends Mar 7, 2027 · High confidence
20-year base term ends Mar 7, 2027
Held by Wi-Lan Inc.
Filed May 16, 2016 as application 15/155,859 · Granted Dec 26, 2017
Base term, 20 years from filing
Today
2007
2027
Clock starts
Mar 7, 2007
Mar 7, 2007
Term ends
Mar 7, 2027
Mar 7, 2027
Granted
Dec 26, 2017
Dec 26, 2017
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 9,344,998, to Mar 7, 2027. The term already ends on or before that date, so the cap shortened nothing.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
8
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 is its 20-year base term, with no 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. 2 of 2 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 Mar 7, 2007, when application 11/683,314, the earliest non-provisional in its chain, was filed (this one was filed May 16, 2016) | Mar 7, 2027 | 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 | Disclaimer resolved from the filed document (refs US 9,344,998) | resolves to Mar 7, 2027, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Mar 7, 2027 | High confidence |
This family
| US 8,130,699 | In force Jul 2030 | Jul 2030 |
| Application PCT/US2008/055456 | PCT application no patent term | no patent term |
| US 9,167,560 | In force Mar 2027 | Mar 2027 |
| US 9,344,998 | In force Mar 2027 | Mar 2027 |
| US 9,854,577 | this patent Mar 2027 | Mar 2027 |
| Application 15/843,499 | Abandoned not computed | not computed |
| US 12,192,124 | In force Mar 2027 | Mar 2027 |
| Application 19/010,879 | Pending 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 |
|---|---|---|---|
| Jun 15, 2017 Reel 42725, frame 362 | Wi-Lan Inc.; Quarterhill Inc. | Quarterhill Inc. | Merger and Change of Name |
| Jun 20, 2017 Reel 42756, frame 914 | Quarterhill Inc. | Wi-Lan Inc. | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Mar 2027
Term ends Mar 7, 2027. No further fees fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 9,344,998, ends no earlier than this term, so it caps nothing.
Citations
7
later US patents cite this one
That is above the median of utility patents granted in 2017 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.