Also listed on Microsoft Corporation, an earlier holder on the record. The recorded assignments below show how it moved.
Lapsed Oct 29, 2025 on the fee record · High confidence
20-year base term ends Aug 18, 2029
Third maintenance fee unpaid; grace period ended.
Filed Mar 5, 2013 as application 13/785,239 · Granted Oct 29, 2013
Base term, 20 years from filing
Today
Lapsed Oct 29, 2025
2009
2029
Clock starts
Aug 18, 2009
Aug 18, 2009
No longer in force
Oct 29, 2025
Oct 29, 2025
Granted
Oct 29, 2013
Oct 29, 2013
Term would have run to
Aug 18, 2029
Aug 18, 2029
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,402,374, to Aug 18, 2029. The term already ends on or before that date, so the cap shortened nothing.
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.
6
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 18, 2029: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 18, 2009, when application 12/543,503, the earliest non-provisional in its chain, was filed (this one was filed Mar 5, 2013) | Aug 18, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,402,374) | resolves to Aug 18, 2029, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Oct 29, 2025 | High confidence |
| Computed term end | The steps above, in order | Oct 29, 2025 | High confidence |
This family
| US 8,402,374 | In force May 2031 | May 2031 |
| US 8,645,836 | In force Aug 2029 | Aug 2029 |
| US 8,566,725 | In force Aug 2029 | Aug 2029 |
| US 8,572,492 | this patent Oct 2025 | Oct 2025 |
| US 8,751,935 | In force Aug 2029 | Aug 2029 |
| US 8,726,163 | In force Aug 2029 | Aug 2029 |
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 3, 2013 Reel 31126, frame 627 | Rose, R. Kevin | Digg, Inc. | Assignment of Assignor's Interest |
| Mar 11, 2014 Reel 32402, frame 760 | 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.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,402,374, ends no earlier than this term, so it caps nothing.
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2013 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.