Term ends no later than Sep 12, 2028 · Medium confidence
20-year base term ends Sep 12, 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.
Sep 12, 2008
Sep 12, 2028
Oct 9, 2012
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 Sep 12, 2008, when application 12/209,273, the earliest non-provisional in its chain, was filed (this one was filed Jan 10, 2012) | Sep 12, 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 Sep 12, 2028 | Medium confidence |
This family
| US 8,116,841 | In force Aug 2030 | Aug 2030 |
| US 8,285,356 | this patent no later than Sep 2028 | no later than Sep 2028 |
| US 8,818,481 | Surrendered on reissue Jul 2018 | Jul 2018 |
| US 9,770,182 | In force Sep 2028 | Sep 2028 |
| US RE46,926 | Lapsed on the fee record Aug 2022 | Aug 2022 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Jan 10, 2012 Reel 27510, frame 845 | Bly, Mark J.; Amurthur, Badri; James, Kristofer J.; Libbus, Imad; Manicka, Yatheendbar D.; Mazar, Scott T.; Wang, Jerry S. | Corventis, Inc. | Assignment of Assignor's Interest |
| Jan 10, 2013 Reel 29608, frame 809 | Corventis, Inc. | Comerica Bank | Security Agreement |
| Dec 11, 2014 Reel 34478, frame 514 | Comerica Bank | Corventis, Inc. | Release of Security Interest |
| Mar 3, 2015 Reel 35078, frame 799 | Corventis, Inc.; Medtronic Corventis, Inc. | Medtronic Corventis, Inc. | Merger and Change of Name |
| Mar 3, 2015 Reel 35122, frame 167 | Medtronic Corventis, Inc. | Medtronic Monitoring, Inc. | 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 Sep 12, 2028. We will not guess the cap.