Term ended Sep 16, 2024 · Medium confidence
20-year base term ended Sep 16, 2024
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 8,577,674), so the cap could be lower.
USPTO later recorded it as expired for non-payment on May 18, 2026.
Sep 16, 2004
Sep 16, 2024
Apr 15, 2014
This patent's term is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. Confidence: Medium. from the record
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Sep 16, 2004, when application 10/942,518, the earliest non-provisional in its chain, was filed (this one was filed Oct 7, 2013) | Sep 16, 2024 | 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 | Disclaimer resolved from the filed document (refs US 7,917,356, US 8,346,543, US 8,577,674) | resolves to Sep 16, 2024, no earlier than this term, so no change | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | term ended | High confidence |
| USPTO status record | Recorded as expired for non-payment on May 18, 2026, after the term ended | no change | High confidence |
| Computed term end | The steps above, in order | Sep 16, 2024 | Medium confidence |
This family
| US 7,917,356 | In force 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 | this patent 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 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Oct 29, 2013 Reel 31501, frame 837 | Chen, Bing; James, James H. | AT&T Corp. | Assignment of Assignor's Interest |
| Oct 29, 2013 Reel 31501, frame 912 | AT&T Corp. | AT&T Properties, LLC | Assignment of Assignor's Interest |
| Oct 29, 2013 Reel 31501, frame 983 | AT&T Properties, LLC | AT&T Intellectual Property II, L.P. | Assignment of Assignor's Interest |
| Jul 19, 2019 Reel 49804, frame 910 | AT&T Corp. | AT&T Properties, LLC | Corrective Assignment to Correct the Correct Referenced Attachment Previously Recorded at Reel: 031501 Frame: 0912. Assignor(S) Hereby Confirms the Assignment. |
| Jul 19, 2019 Reel 49804, frame 976 | AT&T Properties, LLC | AT&T Intellectual Property II, L.P. | Corrective Assignment to Correct the Correct Referenced Attachment a Previously Recorded at Reel: 021501 Frame: 0983. Assignor(S) Hereby Confirms the Assignment. |
| 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.
A terminal disclaimer resolved from the filed document, referencing US 7,917,356, US 8,346,543, US 8,577,674, ends no earlier than this term, so it caps nothing.