Also listed on Zerog Wireless, Inc., which filed it. The recorded assignments below show how it moved.
Term ends Feb 9, 2027
Statutory term ends Jul 28, 2026
Base term plus 196 days of PTA
Today
20y-from-earliest-nonprovisional
Expires in 5 months
2006
2027
Clock starts
Jul 28, 2006
Jul 28, 2006
Granted
Jun 16, 2009
Jun 16, 2009
Term ends
Feb 9, 2027
Feb 9, 2027
base term
patent term adjustment
fee events
Computed Sep 1, 2026 · countdowns run from that date · how we know
196
Days of PTA
2
Applications in this family
This patent's term runs 196 days past the statutory base term on prosecution delay. All three maintenance fees are paid, so nothing but the term itself will end it. Confidence: High. from the record
How this date was computed
Every step shows its rule, its input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20y-from-earliest-nonprovisional | Clock starts Jul 28, 2006 | Jul 28, 2026 | High |
| Continuity chain | Every parent in the chain resolved | no change | High |
| Patent term adjustment | +196 days, USPTO PTA record | Feb 9, 2027 | High |
| Terminal disclaimer cap | None on record | no cap applied | High |
| Patent term extension | None on file | no change | High |
| Fee events | 3 of 3 maintenance fees paid | in-force | High |
| Computed term end | The steps above, in order | Feb 9, 2027 | High |
The computation, verbatim
base=20y-from-earliest-nonprovisional: 2006-07-28+20y | =2026-07-28 | PTA+196d=2027-02-09 | PTE:none | TD:none | paid 4yr@2012-12-17,8yr@2016-12-16,12yr@2020-11-19 | status=in-force@2027-02-09
This family
| US 7,548,040 | this patent | Feb 2027 |
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Oct 23, 2006 reel/frame not recorded | Collmeyer, Arthur J.; Lee, Thomas H.; Wong, Dickson T. | Zerog Wireless, Inc. | Assignment of Assignor's Interest |
| Mar 14, 2008 reel/frame not recorded | Zerog Wireless, Inc. | Silicon Valley Bank | Security Agreement |
| Jun 22, 2010 reel/frame not recorded | Zerog Wireless, Inc.; AZ1 Acquisition Corporation | Microchip Technology Inc. | Merger |
| Jun 29, 2010 reel/frame not recorded | Zerog Wireless, Inc.; AZ1 Acquisition Corporation | Microchip Technology Inc. | Corrective Assignment to Correct the Serial Number: 11538833 to 11494874 Patent Number: 7548080 to 7548040 Previously Recorded on Reel 024563 Frame 0861. Assignor(s) Hereby Confirms the Assignment of Letters Patent Exhibit a Merger Agreement Schedule 2.17.5. |
| Feb 10, 2017 reel/frame not recorded | Microchip Technology Incorporated | Jpmorgan Chase Bank, N.A., as Administrative Agent | Security Interest |
| Jun 25, 2018 Reel 46426, frame 1 | Microchip Technology Incorporated; Silicon Storage Technology, Inc.; Atmel Corporation; Microsemi Corporation; Microsemi Storage Solutions, Inc. | Jpmorgan Chase Bank, N.A., as Administrative Agent | Security Interest |
| Jun 25, 2018 reel/frame not recorded | Atmel Corporation; Microchip Technology Incorporated; Microsemi Corporation; Microsemi Storage Solutions, Inc.; Silicon Storage Technology, Inc. | Jpmorgan Chase Bank, N.A., as Administrative Agent | Security Interest |
| Sep 18, 2018 Reel 47103, frame 206 | Microchip Technology Incorporated; Silicon Storage Technology, Inc.; Atmel Corporation; Microsemi Corporation; Microsemi Storage Solutions, Inc. | Wells Fargo Bank, National Association, as Notes Collateral Agent | Security Interest |
| Sep 18, 2018 reel/frame not recorded | Atmel Corporation; Microchip Technology Incorporated; Microsemi Corporation; Microsemi Storage Solutions, Inc.; Silicon Storage Technology, Inc. | Wells Fargo Bank, National Association, as Notes Collateral Agent | Security Interest |
| Apr 24, 2020 reel/frame not recorded | Atmel Corporation; Microchip Technology Inc.; Microsemi Corporation; Microsemi Storage Solutions, Inc.; Silicon Storage Technology, Inc. | Jpmorgan Chase Bank, N.A., as Administrative Agent | Security Interest |
| May 30, 2020 reel/frame not recorded | Jpmorgan Chase Bank, N.A, as Administrative Agent | Microchip Technology Inc. | Release of Security Interest |
| May 30, 2020 reel/frame not recorded | Jpmorgan Chase Bank, N.A, as Administrative Agent | Silicon Storage Technology, Inc. | Release of Security Interest |
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What's changing
Feb 2027
Term ends. No further fees fall due before then
Note
The 196 days of PTA are read from the USPTO record, not recalculated by us
Citations
192
later US patents cite this one
That is top 1% of utility patents granted in 2009 in our data, the only group it is compared against.
How we rank
Every date shows its work: base rule, PTA, PTE, disclaimer caps, fee overlay, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.