Term ends Sep 13, 2032 · Medium confidence
20-year base term ends Feb 23, 2031
Why Medium: A parent in the chain could not be resolved.
Held by Google LLC
Filed Jan 24, 2012 as application 13/356,762 · Granted Mar 26, 2019
Base term plus 568 days of patent term adjustment (USPTO delay)
Today
2011
2032
Clock starts
Feb 23, 2011
Feb 23, 2011
Term ends
Sep 13, 2032
Sep 13, 2032
Granted
Mar 26, 2019
Mar 26, 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
568
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
126
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 568 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is 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 Feb 23, 2011, when application 13/033,573, the earliest non-provisional in its chain, was filed (this one was filed Jan 24, 2012); a parent in its chain could not be resolved (the next row) | Feb 23, 2031 | 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 | +568 days, USPTO patent term adjustment record | Sep 13, 2032 | 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 13, 2032 | Medium confidence |
This family
| US 9,223,323 | In force Oct 2031 | Oct 2031 |
| US 9,605,858 | In force Sep 2034 | Sep 2034 |
| US 8,752,771 | In force Aug 2032 | Aug 2032 |
| US 9,494,332 | In force Feb 2035 | Feb 2035 |
| US 8,727,611 | Lapsed on the fee record May 2026 | May 2026 |
| US 9,026,254 | In force Nov 2032 | Nov 2032 |
| US 9,261,287 | In force Dec 2033 | Dec 2033 |
| US 8,918,219 | In force no later than Jan 2032 | no later than Jan 2032 |
8 of 126 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 9, 2012 Reel 28011, frame 48 | Fadell, Anthony M.; Rogers, Matthew L.; Sloo, David; Matas, Michael J.; Plitkins, Michael | Nest Labs, Inc. | Assignment of Assignor's Interest |
| Jun 5, 2012 Reel 28323, frame 297 | Nest Labs, Inc. | Wells Fargo Bank, National Association | Negative Pledge and Covenant |
| Feb 10, 2014 Reel 32238, frame 959 | Wells Fargo Bank, National Association | Nest Labs, Inc. | Release of Security Interest in Patents |
| Aug 19, 2014 Reel 33568, frame 693 | Nest Labs, Inc. | Google Inc. | Assignment of Assignor's Interest |
| Oct 5, 2017 Reel 44129, frame 1 | Google Inc. | Google LLC | Change of Name |
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
Sep 2032
Term ends Sep 13, 2032.
Note
The 568 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
318
later US patents cite this one
That is top 1% 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.