Also listed on Exbiblio B.V., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Sep 6, 2033 · High confidence
20-year base term ends Jun 8, 2031
Held by X Development LLC
Filed Jun 8, 2011 as application 13/156,182 · Granted Jun 2, 2015
Base term plus 821 days of patent term adjustment (USPTO delay)
Today
2011
2033
Clock starts
Jun 8, 2011
Jun 8, 2011
Term ends
Sep 6, 2033
Sep 6, 2033
Granted
Jun 2, 2015
Jun 2, 2015
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
821
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 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 821 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. 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 8, 2011, when this application, 13/156,182, was filed | Jun 8, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +821 days, USPTO patent term adjustment record | Sep 6, 2033 | 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 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 6, 2033 | High confidence |
This family
| US 9,046,999 | this patent Sep 2033 | Sep 2033 |
| US 9,791,957 | Lapsed on the fee record Oct 2025 | Oct 2025 |
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 |
|---|---|---|---|
| Sep 1, 2011 Reel 26844, frame 564 | Teller, Eric | Google Inc. | Assignment of Assignor's Interest |
| Sep 12, 2011 Reel 26885, frame 976 | Exbiblio B.V. | Google Inc. | Assignment of Assignor's Interest |
| Sep 16, 2011 Reel 26918, frame 692 | Mannby, Claes-fredrik | Exbiblio B.V. | Assignment of Assignor's Interest |
| Sep 16, 2011 Reel 26918, frame 698 | King, Martin T.; Mannby, Claes-fredrik | Exbiblio B.V. | Assignment of Assignor's Interest |
| Sep 16, 2011 Reel 26918, frame 811 | King, Martin T.; Mannby, Claes-fredrik; Furr, Tony | Exbiblio B.V. | Assignment of Assignor's Interest |
| Sep 1, 2016 Reel 39900, frame 610 | Google Inc. | X Development LLC | Assignment of Assignor's Interest |
| Oct 6, 2017 Reel 44142, frame 357 | Google Inc. | Google LLC | Change of Name |
| Sep 25, 2018 Reel 47631, frame 671 | Google Inc. | X Development LLC | Assignment of Assignor's Interest |
| Nov 14, 2018 Reel 47837, frame 678 | Google Inc. | Google LLC | Corrective Assignment to Correct the Corrective by Nullificationto Correct Incorrectly Recorded Application Numbers Previously Recorded on Reel 044142 Frame 0357. Assignor(S) Hereby Confirms the 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 2033
Term ends Sep 6, 2033. Maintenance fees still fall due before then
Note
The 821 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
347
later US patents cite this one
That is top 1% of utility patents granted in 2015 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.