Also listed on IBM Technology Corporation, an earlier holder on the record. The recorded assignments below show how it moved.
Term ended Mar 30, 2026 · High confidence
20-year base term ended Sep 24, 2024
Sep 24, 2004
Mar 30, 2026
Mar 2, 2010
This patent's term runs 1439 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. All three maintenance fees were paid, so no fee lapse ended it. Confidence: High. from the record
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Sep 24, 2004, when this application, 10/950,069, was filed | Sep 24, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1439 days, USPTO patent term adjustment record | Sep 2, 2028 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,415,719) | capped to Mar 30, 2026 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Mar 30, 2026 | High confidence |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Nov 10, 2011 Reel 27206, frame 515 | Moghe, Pratyush; Smith, Peter T. | Tizor Systems, Inc. | Assignment of Assignor's Interest |
| Nov 15, 2011 Reel 27232, frame 417 | Tizor Systems, Inc. | Netezza Corporation | Assignment of Assignor's Interest |
| Dec 23, 2011 Reel 27439, frame 867 | Tizor Systems, Inc. | Netezza Corporation | Assignment of Assignor's Interest |
| Jan 19, 2012 Reel 27614, frame 356 | Tizor Systems, Inc. | Netezza Corporation | Request for Corrected Notice of Recordation to Remove Patent No. 7.415,729 Previously Incorrectly Listed on Electronically Filed Recordation Coversheet, Recorded 12/23/2011 at Reel 027439, Frames 0867-0870-Copies Attached |
| Feb 2, 2012 Reel 27642, frame 172 | Netezza Corporation | IBM International Group B.V. | Assignment of Assignor's Interest |
| Dec 17, 2018 Reel 47794, frame 779 | IBM International Group B.V. | IBM International C.V. | Nunc Pro Tunc Assignment |
| Dec 17, 2018 Reel 47794, frame 927 | IBM International C.V. | IBM Atlantic C.V. | Nunc Pro Tunc Assignment |
| Dec 17, 2018 Reel 47795, frame 1 | IBM Atlantic C.V. | IBM Technology Corporation | Nunc Pro Tunc Assignment |
| Oct 8, 2025 Reel 73051, frame 916 | International Business Machines Corporation | Workday, 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.
What's changing
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 7,415,719.