Term ends Feb 24, 2028 · High confidence
20-year base term ended Sep 16, 2024
Held by Shopify, Inc.
Filed Sep 16, 2004 as application 10/942,518 · Granted Mar 29, 2011
Base term plus 1256 days of patent term adjustment (USPTO delay)
Today
2004
2028
Clock starts
Sep 16, 2004
Sep 16, 2004
Term ends
Feb 24, 2028
Feb 24, 2028
Granted
Mar 29, 2011
Mar 29, 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
1,256
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 1256 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 Sep 16, 2004, when this application, 10/942,518, was filed | Sep 16, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1256 days, USPTO patent term adjustment record | Feb 24, 2028 | 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 | Feb 24, 2028 | High confidence |
This family
| US 7,917,356 | this patent Feb 2028 | Feb 2028 |
| US 8,346,543 | Term ended Sep 2024 | Sep 2024 |
| US 8,577,674 | Term ended no later than Sep 2024 | no later than Sep 2024 |
| US 8,700,390 | Term ended Sep 2024 | Sep 2024 |
| US 8,909,519 | Term ended Sep 2024 | Sep 2024 |
| US 9,009,034 | Lapsed on the fee record Apr 2023 | Apr 2023 |
| US 9,224,405 | Lapsed on the fee record Dec 2023 | Dec 2023 |
| US 9,412,396 | Lapsed on the fee record Aug 2024 | Aug 2024 |
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 16, 2004 Reel 15807, frame 629 | Chen, Bing; James, James H. | AT&T Corporation | Assignment of Assignor's Interest |
| Jul 18, 2019 Reel 49802, frame 703 | Chen, Bing; James, James H. | AT&T Corp. | Corrective Assignment to Correct the Assignee Name Previously Recorded on Reel 015807 Frame 0629. Assignor(S) Hereby Confirms the Assignment. |
| Jul 19, 2019 Reel 49799, frame 150 | AT&T Corp. | AT&T Properties, LLC | Assignment of Assignor's Interest |
| Jul 23, 2019 Reel 49829, frame 725 | AT&T Properties, LLC | AT&T Intellectual Property II, L.P. | Assignment of Assignor's Interest |
| Nov 14, 2019 Reel 51005, frame 99 | AT&T Intellectual Property II, L.P. | Shopify, Inc. | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Feb 2028
Term ends Feb 24, 2028. No further fees fall due before then
Note
The 1256 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
25
later US patents cite this one
That is top 25% 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.