Collateral for a security interest recorded Nov 3, 2022 (JPMorgan Chase Bank, N.A.).
Lapsed Sep 24, 2025 on the fee record · High confidence
20-year base term ends Feb 19, 2028
Third maintenance fee unpaid; grace period ended.
Held by Lyft, Inc.
Filed Feb 19, 2008 as application 12/033,082 · Granted Sep 24, 2013
Base term, 20 years from filing, plus 355 days of patent term adjustment (USPTO delay)
Today
Lapsed Sep 24, 2025
2008
2029
Clock starts
Feb 19, 2008
Feb 19, 2008
No longer in force
Sep 24, 2025
Sep 24, 2025
Granted
Sep 24, 2013
Sep 24, 2013
Term would have run to
Feb 8, 2029
Feb 8, 2029
base term
patent term adjustment
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
355
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
7
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 Feb 8, 2029: its 20-year base term plus 355 days of term adjustment for prosecution delay. 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 Feb 19, 2008, when this application, 12/033,082, was filed | Feb 19, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +355 days, USPTO patent term adjustment record | Feb 8, 2029 | 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 | 2 of 3 maintenance fees paid | lapsed Sep 24, 2025 | High confidence |
| Computed term end | The steps above, in order | Sep 24, 2025 | High confidence |
This family
| US 8,543,721 | this patent Sep 2025 | Sep 2025 |
| US 8,904,029 | In force Feb 2028 | Feb 2028 |
| US 9,241,023 | Lapsed on the fee record Jan 2024 | Jan 2024 |
| US 9,705,983 | Lapsed on the fee record Jul 2021 | Jul 2021 |
| US 10,021,178 | Lapsed on the fee record Jul 2022 | Jul 2022 |
| US 10,708,351 | In force May 2028 | May 2028 |
| Application 16/918,435 | Abandoned 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 |
|---|---|---|---|
| Feb 19, 2008 Reel 20524, frame 64 | White, Scott; Cansler, James L.; Schmehl, Ian C. | AT&T Knowledge Ventures, L.P. | Assignment of Assignor's Interest |
| May 20, 2014 Reel 32937, frame 275 | AT&T Knowledge Ventures, L.P. | AT&T Intellectual Property I, L.P. | Change of Name |
| Jul 16, 2018 Reel 46556, frame 96 | AT&T Intellectual Property I, L.P. | Prosper Technology, LLC | Assignment of Assignor's Interest |
| Sep 18, 2018 Reel 47570, frame 817 | White, Scott; Cansler, James L.; Schmehl, Ian C. | AT&T Intellectual Property I, L.P. | Corrective Assignment to Correct the Assignee Name/Supporting Documents Previously Recorded on Reel 020524 Frame 0064. Assignor(S) Hereby Confirms the Assignment. |
| 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
Note
The 355 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
124
later US patents cite this one
That is top 5% 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.