Term ends no later than Jul 7, 2028 · Medium confidence
20-year base term ends Jul 7, 2028
In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.
Jul 7, 2008
Jul 7, 2028
Aug 2, 2011
This patent's term is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 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 Jul 7, 2008, when this application, 12/168,776, was filed | Jul 7, 2028 | 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 on file (approved), reference document not resolved | no cap applied, and none guessed | 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 | no later than Jul 7, 2028 | Medium confidence |
This family
| US 7,988,328 | this patent no later than Jul 2028 | no later than Jul 2028 |
| US 7,950,825 | In force no later than Jul 2028 | no later than Jul 2028 |
| US 8,262,272 | In force Jun 2029 | Jun 2029 |
| US 8,047,699 | In force Jul 2028 | Jul 2028 |
| US 8,016,459 | In force Jul 2028 | Jul 2028 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Jul 7, 2008 Reel 21201, frame 534 | Cheng, Yi-kai; Chern, Jyh-long; Chen, Ping-yu | Foxsemicon Integrated Technology, Inc. | Assignment of Assignor's Interest |
| Feb 12, 2015 Reel 34948, frame 434 | Foxsemicon Integrated Technology, Inc. | Koninklijke Philips N.V. | Assignment of Assignor's Interest |
| Sep 13, 2016 Reel 40060, frame 9 | Koninklijke Philips N.V. | Philips Lighting Holding B.V. | Assignment of Assignor's Interest |
| Oct 28, 2019 Reel 50837, frame 576 | Philips Lighting Holding B.V. | Signify Holding B.V. | Change of Name |
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
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Jul 7, 2028. We will not guess the cap.