Also listed on Brightroll, 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 Jun 1, 2035 · High confidence
20-year base term ends Oct 23, 2034
Held by RPX Corporation
Filed Oct 23, 2014 as application 14/522,470 · Granted May 5, 2020
Base term plus 221 days of patent term adjustment (USPTO delay)
Today
2014
2035
Clock starts
Oct 23, 2014
Oct 23, 2014
Term ends
Jun 1, 2035
Jun 1, 2035
Granted
May 5, 2020
May 5, 2020
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
221
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.
This patent's term runs 221 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is 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 Oct 23, 2014, when this application, 14/522,470, was filed | Oct 23, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +221 days, USPTO patent term adjustment record | Jun 1, 2035 | 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 | Jun 1, 2035 | High confidence |
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 24, 2014 Reel 34048, frame 819 | Roever, Amanda; Collins, Richard William; Roosevelt, Daniel Lachman | Brightroll, Inc. | Assignment of Assignor's Interest |
| Mar 20, 2015 Reel 35220, frame 145 | Brightroll, 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 863 | 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
Jun 2035
Term ends Jun 1, 2035. Maintenance fees still fall due before then
Note
The 221 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
10
later US patents cite this one
That is top 25% of utility patents granted in 2020 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.