Also listed on Snapin Software Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jun 1, 2027 · High confidence
20-year base term ended Sep 21, 2025
Filed Dec 28, 2007 as application 11/575,058 · Granted Jul 10, 2012
Base term plus 618 days of patent term adjustment (USPTO delay)
Today
2005
2027
Clock starts
Sep 21, 2005
Sep 21, 2005
Term ends
Jun 1, 2027
Jun 1, 2027
Granted
Jul 10, 2012
Jul 10, 2012
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
618
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
2
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 618 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Sep 21, 2005, when application PCT/US2005/033973, the earliest non-provisional in its chain, was filed (this one was filed Dec 28, 2007) | Sep 21, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +618 days, USPTO patent term adjustment record | Jun 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 1, 2027 | High confidence |
This family
| Application PCT/US2005/033973 | PCT application no patent term | no patent term |
| US 8,219,811 | this patent Jun 2027 | Jun 2027 |
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 |
|---|---|---|---|
| Dec 28, 2007 Reel 20301, frame 547 | Roundtree, Brian | Snapin Software Inc. | Assignment of Assignor's Interest |
| Mar 2, 2011 Reel 25885, frame 295 | Snapin Software, Inc. | Nuance Communications, Inc. | Assignment of Assignor's Interest |
| Oct 12, 2023 Reel 65222, frame 594 | Nuance Communications, Inc. | Microsoft Technology Licensing, LLC | Assignment of Assignor's Interest |
| Nov 13, 2023 Reel 65552, frame 934 | 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
Jun 2027
Term ends Jun 1, 2027. No further fees fall due before then
Note
The 618 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
61
later US patents cite this one
That is top 10% of utility patents granted in 2012 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.