Also listed on Microsoft Corporation, an earlier holder on the record. The recorded assignments below show how it moved.
Lapsed Aug 18, 2023 on the fee record · High confidence
20-year base term ends Aug 22, 2028
Second maintenance fee unpaid; grace period ended.
Filed Aug 22, 2008 as application 12/229,535 · Granted Aug 18, 2015
Base term, 20 years from filing, plus 1448 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Lapsed Aug 18, 2023
2008
2028
Clock starts
Aug 22, 2008
Aug 22, 2008
No longer in force
Aug 18, 2023
Aug 18, 2023
Granted
Aug 18, 2015
Aug 18, 2015
Term would have run to
Aug 26, 2028
Aug 26, 2028
base term
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
1,448
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 8,819,008.
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.
3
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Aug 26, 2028: its 20-year base term plus 1448 days of term adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Aug 22, 2008, when this application, 12/229,535, was filed | Aug 22, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1448 days, USPTO patent term adjustment record | Aug 9, 2032 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,819,008) | capped to Aug 26, 2028 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | lapsed Aug 18, 2023 | High confidence |
| Computed term end | The steps above, in order | Aug 18, 2023 | High confidence |
This family
| US 9,110,569 | this patent Aug 2023 | Aug 2023 |
| US 8,819,008 | In force Aug 2028 | Aug 2028 |
| US 9,235,333 | Lapsed on the fee record Jan 2024 | Jan 2024 |
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 |
|---|---|---|---|
| Oct 28, 2008 Reel 21752, frame 490 | Rose, R. Kevin | Digg, Inc. | Assignment of Assignor's Interest |
| Jun 12, 2012 Reel 28361, frame 776 | Silicon Valley Bank | Digg, Inc. | Release of Security Interest |
| Aug 9, 2012 Reel 28757, frame 227 | Digg, Inc. | LinkedIn Corporation | Assignment of Assignor's Interest |
| Dec 10, 2013 Reel 31749, frame 917 | Digg, Inc. | LinkedIn Corporation | Assignment of Assignor's Interest |
| Nov 1, 2017 Reel 44746, frame 1 | LinkedIn Corporation | 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 1448 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 8,819,008.
Citations
9
later US patents cite this one
That is above the median 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.