Term ends Aug 26, 2028 · Medium confidence
20-year base term ended Sep 11, 2026
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 8,165,355), so the cap could be lower.
Sep 11, 2006
Aug 26, 2028
May 21, 2013
This patent's term runs 1133 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 are recorded paid; no more fees are due. 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 11, 2006, when this application, 11/519,383, was filed | Sep 11, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1133 days, USPTO patent term adjustment record | Oct 18, 2029 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,165,355, US 8,175,345, US 8,358,815) | capped to Aug 26, 2028 | Medium 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 | Aug 26, 2028 | Medium confidence |
This family
| US 7,463,756 | Lapsed on the fee record Dec 2020 | Dec 2020 |
| US 8,077,935 | In force Apr 2028 | Apr 2028 |
| US 7,751,601 | In force Oct 2028 | Oct 2028 |
| US 8,447,077 | this patent Aug 2028 | Aug 2028 |
| US 8,165,355 | In force no later than Apr 2029 | no later than Apr 2029 |
| US 8,358,815 | In force Aug 2028 | Aug 2028 |
| US 8,229,184 | Lapsed on the fee record Jul 2020 | Jul 2020 |
| US 8,131,026 | In force Mar 2028 | Mar 2028 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| May 12, 2011 Reel 26266, frame 875 | Benkley, Fred George; Geoffroy, David Joseph | Validity Sensors, Inc. | Assignment of Assignor's Interest |
| Nov 21, 2013 Reel 31693, frame 882 | Validity Sensors, Inc. | Validity Sensors, LLC | Merger |
| Dec 20, 2013 Reel 31866, frame 585 | Validity Sensors, LLC | Synaptics Incorporated | Assignment of Assignor's Interest |
| Feb 19, 2014 Reel 32285, frame 272 | Validity Sensors, LLC | Synaptics Incorporated | Assignment of Assignor's Interest |
| Oct 3, 2014 Reel 33888, frame 851 | Synaptics Incorporated | Wells Fargo Bank, National Association | Security Interest |
| Sep 27, 2017 Reel 44037, frame 896 | Synaptics Incorporated | Wells Fargo Bank, National Association | 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.
What's changing
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 8,165,355, US 8,175,345, US 8,358,815.