Also listed on Guava Technologies, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends no later than Sep 27, 2027 · Medium confidence
20-year base term ends Sep 27, 2027
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 27, 2007
Sep 27, 2027
May 22, 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 27, 2007, when application 11/862,680, the earliest non-provisional in its chain, was filed (this one was filed Nov 22, 2010) | Sep 27, 2027 | 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 27, 2027 | Medium confidence |
This family
| US 7,847,923 | In force Nov 2028 | Nov 2028 |
| US 8,184,271 | this patent no later than Sep 2027 | no later than Sep 2027 |
| US 8,885,153 | In force Sep 2027 | Sep 2027 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Nov 22, 2010 Reel 25393, frame 744 | Pittaro, Richard; Goldman, Bruce; Lefebvre, Ray; King, David A. | Guava Technologies, Inc. | Assignment of Assignor's Interest |
| Nov 22, 2010 Reel 25393, frame 791 | Guava Technologies, Inc. | Millipore Corporation | Merger |
| Jan 31, 2012 Reel 27620, frame 891 | Millipore Corporation | EMD Millipore Corporation | Change of Name |
| Feb 1, 2018 Reel 45225, frame 156 | EMD Millipore Corporation | EMD Millipore Corporation | Change of Address |
| Jun 6, 2019 Reel 49399, frame 1 | EMD Millipore Corporation | Luminex Corporation | Assignment of Assignor's Interest |
| Sep 27, 2023 Reel 65044, frame 762 | Luminex Corporation; Amnis, LLC; Iris Biotech Corporation | Cytek Biosciences, 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 Sep 27, 2027. We will not guess the cap.