Term ended Jul 1, 2024 · High confidence
20-year base term ended Jun 3, 2023
USPTO later recorded it as expired for non-payment on Jun 22, 2026.
Held by Dialect, LLC
Filed Feb 4, 2009 as application 12/365,516 · Granted May 20, 2014
Base term plus 394 days of patent term adjustment (USPTO delay)
Today
Term ended Jul 1, 2024
2003
2026
Clock starts
Jun 3, 2003
Jun 3, 2003
Term ended
Jul 1, 2024
Jul 1, 2024
Granted
May 20, 2014
May 20, 2014
base term
patent term adjustment
after the term ends
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
394
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 394 days past its 20-year base term on prosecution delay. 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 Jun 3, 2003, when application 10/452,147, the earliest non-provisional in its chain, was filed (this one was filed Feb 4, 2009) | Jun 3, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +394 days, USPTO patent term adjustment record | Jul 1, 2024 | 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 | term ended | High confidence |
| USPTO status record | Recorded as expired for non-payment on Jun 22, 2026, after the term ended | no change | High confidence |
| Computed term end | The steps above, in order | Jul 1, 2024 | High confidence |
This family
| US 7,398,209 | Term ended Nov 2025 | Nov 2025 |
| US 7,502,738 | In force (reinstated) May 2027 | May 2027 |
| US 8,015,006 | Term ended Feb 2025 | Feb 2025 |
| US 7,809,570 | Term ended Nov 2023 | Nov 2023 |
| US 8,731,929 | this patent Jul 2024 | Jul 2024 |
| US 8,140,327 | Term ended Jun 2023 | Jun 2023 |
| US 8,112,275 | Term ended Jun 2023 | Jun 2023 |
| US 8,155,962 | Term ended Jun 2023 | Jun 2023 |
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 |
|---|---|---|---|
| Mar 18, 2009 Reel 22412, frame 36 | Kennewick, Robert A.; Locke, David; Kennewick, Michael R., SR.; Kennewick, Michael R., JR.; Kennewick, Richard; Freeman, Tom | Voicebox Technologies, Inc. | Assignment of Assignor's Interest |
| Apr 7, 2014 Reel 32621, frame 87 | Voicebox Technologies, Inc. | Voicebox Technologies Corporation | Merger |
| Jan 14, 2015 Reel 34703, frame 429 | Voicebox Technologies Corporation | Nuance Communications, Inc. | Assignment of Assignor's Interest |
| May 10, 2021 Reel 56185, frame 742 | Nuance Communications, Inc. | Voice Inventions, LLC | Assignment of Assignor's Interest |
| Aug 16, 2022 Reel 60820, frame 857 | Voice Inventions, LLC | Dialect, 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
Note
The 394 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
518
later US patents cite this one
That is top 1% of utility patents granted in 2014 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.