Lapsed Dec 29, 2023 on the fee record · 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.
Second maintenance fee unpaid; grace period ended.
Sep 16, 2004
Dec 29, 2023
Dec 29, 2015
Sep 16, 2024
Its term would have run to Sep 16, 2024: 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 Mar 13, 2015) | 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, US 8,700,390, US 8,909,519, US 9,009,034) | 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 | 1 of 2 maintenance fees paid | lapsed Dec 29, 2023 | High confidence |
| Computed term end | The steps above, in order | Dec 29, 2023 | 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 | 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 | this patent Dec 2023 | Dec 2023 |
| US 9,412,396 | Lapsed on the fee record Aug 2024 | Aug 2024 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Mar 18, 2015 Reel 35188, frame 455 | Chen, Bing; James, James H. | AT&T Corp. | Assignment of Assignor's Interest |
| Mar 18, 2015 Reel 35188, frame 502 | AT&T Corp. | AT&T Properties, LLC | Assignment of Assignor's Interest |
| Mar 18, 2015 Reel 35188, frame 627 | AT&T Properties, LLC | AT&T Intellectual Property II, L.P. | Assignment of Assignor's Interest |
| Jul 19, 2019 Reel 49805, frame 870 | AT&T Corp. | AT&T Properties, LLC | Corrective Assignment to Correct the Referenced Attachment a Previously Recorded on Reel 035188 Frame 0502. Assignor(S) Hereby Confirms the Assignment. |
| Jul 19, 2019 Reel 49805, frame 893 | AT&T Properties, LLC | AT&T Intellectual Property II, L.P. | Corrective Assignment to Correct the Referenced Attachment a Previously Recorded at Reel: 035188 Frame: 0627. 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, US 8,700,390, US 8,909,519, US 9,009,034, ends no earlier than this term, so it caps nothing.