Lapsed Feb 12, 2025 on the fee record · Medium confidence
20-year base term ends Jul 17, 2028
Why Medium: A terminal disclaimer is on file (approved) with no resolved reference, so the term may end earlier.
Third maintenance fee unpaid; grace period ended.
Jul 17, 2008
Feb 12, 2025
Feb 12, 2013
Mar 10, 2031
Its term would have run to Mar 10, 2031: its 20-year base term plus 966 days of term adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 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 17, 2008, when this application, 12/175,276, was filed | Jul 17, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +966 days, USPTO patent term adjustment record | Mar 10, 2031 | 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 | 2 of 3 maintenance fees paid | lapsed Feb 12, 2025 | High confidence |
| Computed term end | The steps above, in order | Feb 12, 2025 | Medium confidence |
This family
| US 8,372,417 | this patent Feb 2025 | Feb 2025 |
| US 8,383,549 | In force Oct 2028 | Oct 2028 |
| Application 13/738,879 | Abandoned not computed | not computed |
| Application 13/738,852 | Abandoned not computed | not computed |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Dec 7, 2015 Reel 37221, frame 287 | Bayer Innovation GmbH | Imaflex, 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
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Feb 12, 2025. We will not guess the cap.