Also listed on Luminate, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Mar 18, 2025 (Barings Finance LLC).
Term ends Apr 19, 2032 · High confidence
20-year base term ends Apr 19, 2032
Held by RPX Corporation
Filed Apr 19, 2012 as application 13/450,807 · Granted Jul 31, 2012
Base term, 20 years from filing
Today
2012
2032
Clock starts
Apr 19, 2012
Apr 19, 2012
Term ends
Apr 19, 2032
Apr 19, 2032
Granted
Jul 31, 2012
Jul 31, 2012
base term
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
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 is its 20-year base term, with no adjustment for 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 Apr 19, 2012, when this application, 13/450,807, was filed | Apr 19, 2032 | 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 | 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 | Apr 19, 2032 | High confidence |
This family
| US 8,234,168 | this patent Apr 2032 | Apr 2032 |
| US 8,311,889 | In force Apr 2032 | Apr 2032 |
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 20, 2012 Reel 28084, frame 770 | Lagle Ruiz, Kristen; Waterson, Chris; Everingham, James R. | Luminate, Inc. | Assignment of Assignor's Interest |
| Sep 11, 2014 Reel 33723, frame 589 | Luminate, Inc. | Yahoo! Inc. | Assignment of Assignor's Interest |
| Jun 23, 2017 Reel 42963, frame 211 | Yahoo! Inc. | Yahoo Holdings, Inc. | Assignment of Assignor's Interest |
| Feb 2, 2018 Reel 45240, frame 310 | Yahoo Holdings, Inc. | Oath Inc. | Assignment of Assignor's Interest |
| Oct 26, 2020 Reel 54258, frame 635 | Oath Inc. | Verizon Media Inc. | Assignment of Assignor's Interest |
| Mar 22, 2022 Reel 59471, frame 514 | Verizon Media Inc. | Yahoo Ad Tech LLC | Change of Name |
| Mar 4, 2025 Reel 70402, frame 873 | Yahoo Assets LLC; Yahoo Ad Tech LLC | RPX Corporation | Assignment of Assignor's Interest |
| Mar 18, 2025 Reel 70551, frame 860 | RPX Corporation | Barings Finance LLC, as Collateral Agent | Patent Security Agreement |
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
Apr 2032
Term ends Apr 19, 2032. No further fees fall due before then
Citations
47
later US patents cite this one
That is top 25% 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.