Term ends Aug 1, 2027 · Medium confidence
20-year base term ended Oct 16, 2026
Why Medium: A parent in the chain could not be resolved.
Held by Nuance Communications, Inc.
Filed Apr 20, 2015 as application 14/691,445 · Granted May 21, 2019
Base term plus 289 days of patent term adjustment (USPTO delay)
Today
2006
2027
Clock starts
Oct 16, 2006
Oct 16, 2006
Term ends
Aug 1, 2027
Aug 1, 2027
Granted
May 21, 2019
May 21, 2019
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
289
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 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.
10
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 289 days past its 20-year base term on prosecution delay. 2 of 2 maintenance fees are paid so far. Confidence: Medium. 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 16, 2006, when application 11/580,926, the earliest non-provisional in its chain, was filed (this one was filed Apr 20, 2015); a parent in its chain could not be resolved (the next row) | Oct 16, 2026 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +289 days, USPTO patent term adjustment record | Aug 1, 2027 | 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 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 1, 2027 | Medium confidence |
This family
| US 8,073,681 | In force Feb 2030 | Feb 2030 |
| Application PCT/US2007/081481 | PCT application no patent term | no patent term |
| US 8,515,765 | Term ended Oct 2026 | Oct 2026 |
| US 9,015,049 | Term ended Oct 2026 | Oct 2026 |
| US 10,297,249 | this patent Aug 2027 | Aug 2027 |
| US 10,755,699 | Term ended Oct 2026 | Oct 2026 |
| US 11,222,626 | In force Jun 2027 | Jun 2027 |
| US 10,515,628 | Term ended Oct 2026 | Oct 2026 |
8 of 10 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Apr 21, 2015 Reel 35454, frame 971 | Baldwin, Larry; Freeman, Tom; Tjalve, Michael; Ebersold, Blane; Weider, Chris | Voicebox Technologies, Inc. | Assignment of Assignor's Interest |
| Apr 21, 2015 Reel 35455, frame 47 | Voicebox Technologies, Inc. | Voicebox Technologies Corporation | Merger |
| Dec 22, 2017 Reel 44949, frame 948 | Voicebox Technologies Corporation | Orix Growth Capital, LLC | Security Interest |
| Apr 5, 2018 Reel 45581, frame 630 | Orix Growth Capital, LLC | Voicebox Technologies Corporation | Release of Security Interest |
| Jul 25, 2018 Reel 46456, frame 128 | Voicebox Technologies Corporation | VB Assets, LLC | Nunc Pro Tunc Assignment |
| Apr 12, 2019 Reel 48872, frame 831 | VB Assets, LLC | Delphi Asset Management Corporation | Security Interest |
| Jun 13, 2019 Reel 49459, frame 596 | Delphi Asset Management Corporation | VB Assets, LLC | Release of Security Interest |
| Jan 22, 2020 Reel 51581, frame 216 | VB Assetts LLC | Nuance Communications, Inc. | Assignment of Assignor's Interest |
| Sep 22, 2020 Reel 53851, frame 873 | Voicebox Technologies Corporation | VB Assets, LLC | Corrective Assignment to Correct the Assignor's Name and Assignee's Name Previously Recorded at Reel: 051581 Frame: 0216. Assignor(S) Hereby Confirms the Assignment of Assignor's Interest.. |
| Apr 8, 2025 Reel 70767, frame 583 | VB Assets, LLC | Contingency Capital Fund a LP | Security Interest |
| May 13, 2026 Reel 74649, frame 467 | Contingency Capital Fund a LP | VB Assets, LLC | Release of Security 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 1, 2027. No further fees fall due before then
Note
The 289 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
38
later US patents cite this one
That is top 10% of utility patents granted in 2019 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.