Term ends no later than Jun 15, 2029 · Medium confidence
20-year base term ends Dec 1, 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.
Dec 1, 2008
Jun 15, 2029
Jan 10, 2012
This patent's term runs 196 days past its 20-year base term on 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 Dec 1, 2008, when this application, 12/326,045, was filed | Dec 1, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +196 days, USPTO patent term adjustment record | Jun 15, 2029 | 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 Jun 15, 2029 | Medium confidence |
This family
| US 8,091,770 | this patent no later than Jun 2029 | no later than Jun 2029 |
| US 8,251,276 | In force Dec 2028 | Dec 2028 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Jan 12, 2009 Reel 22089, frame 862 | McLeod, Michael B. | Tin Inc. | Assignment of Assignor's Interest |
| Jan 17, 2017 Reel 41382, frame 48 | Tin Inc. | Tin LLC | Change of Name |
| Nov 6, 2018 Reel 47418, frame 538 | Tin LLC | International Paper Company | 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 Jun 15, 2029. We will not guess the cap.