Term ends Feb 18, 2031 · Medium confidence
20-year base term ends Feb 18, 2031
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 8,738,403, US 8,756,079), so the cap could be lower.
Filed Feb 18, 2011 as application 13/030,981 · Granted Jul 22, 2014
Base term plus 678 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2011
2031
Clock starts
Feb 18, 2011
Feb 18, 2011
Term ends
Feb 18, 2031
Feb 18, 2031
Granted
Jul 22, 2014
Jul 22, 2014
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
678
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 8,694,335, US 8,738,403, US 8,756,079.
3 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.
23
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 678 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. All three maintenance fees are recorded paid; no more fees are due. 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 Feb 18, 2011, when this application, 13/030,981, was filed | Feb 18, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +678 days, USPTO patent term adjustment record | Dec 27, 2032 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,694,335, US 8,738,403, US 8,756,079) | capped to Feb 18, 2031 | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 18, 2031 | Medium confidence |
This family
| US 8,788,289 | this patent Feb 2031 | Feb 2031 |
| US 8,768,723 | In force Feb 2031 | Feb 2031 |
| US 8,799,021 | In force Feb 2031 | Feb 2031 |
| US 10,460,288 | In force May 2031 | May 2031 |
| US 8,738,403 | In force no later than Feb 2031 | no later than Feb 2031 |
| Application PCT/US2012/025546 | PCT application no patent term | no patent term |
| US 9,905,229 | In force Feb 2031 | Feb 2031 |
| US 8,756,079 | In force no later than Feb 2031 | no later than Feb 2031 |
8 of 23 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 |
|---|---|---|---|
| May 23, 2011 Reel 26321, frame 628 | Flanagan, James R.; Zaccagnini, Davide; Montyne, Frank; Decraene, David; Hellman, David; Shelton, Matthew R.; Casella Dos Santos, Mariana; Doyle, Karen Anne; Raedemaeker, Johan; Van Der Vloet, Joeri; Habboush, Isam; Elcocks, Anthony J.; Hartunian, Anush | Nuance Communications, Inc. | Assignment of Assignor's Interest |
| Oct 30, 2023 Reel 65395, frame 902 | Nuance Communications, Inc. | Microsoft Technology Licensing, LLC | Assignment of Assignor's Interest |
| Nov 9, 2023 Reel 65533, frame 389 | Nuance Communications, Inc. | Microsoft Technology Licensing, 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Feb 2031
Term ends Feb 18, 2031. No further fees fall due before then
Note
The 678 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 8,694,335, US 8,738,403, US 8,756,079.
Citations
115
later US patents cite this one
That is top 5% 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.