Term ends Aug 24, 2027 · High confidence
20-year base term ends Aug 24, 2027
Held by BlackBerry Limited
Filed Aug 27, 2020 as application 17/004,551 · Granted Mar 19, 2024
Base term plus 335 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2007
2027
Clock starts
Aug 24, 2007
Aug 24, 2007
Term ends
Aug 24, 2027
Aug 24, 2027
Granted
Mar 19, 2024
Mar 19, 2024
base term
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
335
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,798,452.
None due
Maintenance fees
This term ends before the first maintenance fee's grace period does, 4 years from grant, so no fee can end it early.
7
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 335 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. No maintenance fee can end this term early. 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 Aug 24, 2007, when application 11/844,883, the earliest non-provisional in its chain, was filed (this one was filed Aug 27, 2020) | Aug 24, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +335 days, USPTO patent term adjustment record | Jul 24, 2028 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,798,452) | capped to Aug 24, 2027 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | No maintenance fee can end the term early | In force | High confidence |
| Computed term end | The steps above, in order | Aug 24, 2027 | High confidence |
This family
| US 8,275,764 | In force Sep 2028 | Sep 2028 |
| US 8,775,415 | In force Sep 2027 | Sep 2027 |
| US 9,088,809 | In force Aug 2027 | Aug 2027 |
| US 9,769,528 | In force Aug 2027 | Aug 2027 |
| US 10,798,452 | In force Aug 2027 | Aug 2027 |
| US 11,936,953 | this patent Aug 2027 | Aug 2027 |
| Application 18/428,229 | 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 |
|---|---|---|---|
| Jan 21, 2021 Reel 54985, frame 7 | Jeon, Joon-hee; Dureau, Vincent; Benting, Steve D.; Lin, Zhenhai; Miller, Michael W; Patel, Manish G. | Google Inc. | Assignment of Assignor's Interest |
| Jan 21, 2021 Reel 55058, frame 533 | Google Inc. | Google LLC | Change of Name |
| Jul 30, 2026 Reel 75465, frame 538 | Google LLC | BlackBerry Limited | 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.
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Alerts on its grants, lapses and transfers.
What's changing
Aug 2027
Term ends Aug 24, 2027. No further fees fall due before then
Note
The 335 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 10,798,452.
Citations
1
later US patent cites this one
Fewer than half of the utility patents granted in 2024 in our data have been cited yet, so we show the count and do not rank on it.
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.