Collateral for a security interest recorded Nov 3, 2022 (JPMorgan Chase Bank, N.A.).
Term ends Dec 19, 2027 · High confidence
20-year base term ended Oct 6, 2026
Held by Lyft, Inc.
Filed Oct 6, 2006 as application 11/539,560 · Granted May 3, 2011
Base term plus 439 days of patent term adjustment (USPTO delay)
Today
2006
2027
Clock starts
Oct 6, 2006
Oct 6, 2006
Term ends
Dec 19, 2027
Dec 19, 2027
Granted
May 3, 2011
May 3, 2011
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
439
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
8
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 439 days past its 20-year base term on 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 Oct 6, 2006, when this application, 11/539,560, was filed | Oct 6, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +439 days, USPTO patent term adjustment record | Dec 19, 2027 | 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 | Dec 19, 2027 | High confidence |
This family
| US 7,937,075 | this patent Dec 2027 | Dec 2027 |
| US 9,219,811 | Lapsed on the fee record Dec 2023 | Dec 2023 |
| US 9,661,125 | Term ended Oct 2026 | Oct 2026 |
| US 10,178,220 | Term ended no later than Oct 2026 | no later than Oct 2026 |
| US 10,477,010 | Term ended no later than Oct 2026 | no later than Oct 2026 |
| US 11,412,082 | Term ended Oct 2026 | Oct 2026 |
| US 12,069,199 | Term ended no later than Oct 2026 | no later than Oct 2026 |
| Application 18/808,615 | Pending not computed | not computed |
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 6, 2006 Reel 18363, frame 222 | Zellner, Samuel, MR. | BellSouth Intellectual Property Corporation | Assignment of Assignor's Interest |
| Sep 28, 2009 Reel 23288, frame 674 | BellSouth Intellectual Property, Inc. | AT&T Delaware Intellectual Property, Inc. | Change of Name |
| Sep 28, 2009 Reel 23288, frame 726 | AT&T Delaware Intellectual Property, Inc. | AT&T Intellectual Property I, L.P. | Assignment of Assignor's Interest |
| Jun 18, 2018 Reel 46377, frame 92 | BellSouth Intellectual Property Corporation | AT&T Intellectual Property, Inc. | Corrective Assignment to Correct the Assignee Name Previously Recorded on Reel 023288 Frame 0674. Assignor(S) Hereby Confirms the Change of Name. |
| Jun 18, 2018 Reel 46377, frame 525 | AT&T Intellectual Property, Inc. | AT&T BLS Intellectual Property, Inc. | Change of Name |
| Jun 18, 2018 Reel 46377, frame 665 | AT&T BLS Intellectual Property, Inc. | AT&T Delaware Intellectual Property, Inc. | Change of Name |
| Jun 18, 2018 Reel 47248, frame 19 | Zellner, Samuel | BellSouth Intellectual Property Corporation | Corrective Assignment to Correct the Assignor/Inventor Previously Recorded at Reel: 018363 Frame: 0222. Assignor(S) Hereby Confirms the Assignment. |
| Jul 16, 2018 Reel 46556, frame 96 | AT&T Intellectual Property I, L.P. | Prosper Technology, LLC | Assignment of Assignor's Interest |
| Jan 18, 2019 Reel 48097, frame 353 | Prosper Technology, LLC | Lyft, Inc. | Assignment of Assignor's Interest |
| Nov 3, 2022 Reel 61880, frame 237 | Lyft, Inc. | JPMorgan Chase Bank, N.A., as Administrative Agent | Security 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Dec 2027
Term ends Dec 19, 2027. No further fees fall due before then
Note
The 439 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
349
later US patents cite this one
That is top 1% of utility patents granted in 2011 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.