Term ends Aug 10, 2022
Statutory term ends Oct 20, 2025
Base term plus 1201 days of PTA
Today
20y-from-earliest-nonprovisional
Expired Aug 2022
2005
2029
Clock starts
Oct 20, 2005
Oct 20, 2005
Granted
Aug 10, 2010
Aug 10, 2010
No longer in force
Aug 10, 2022
Aug 10, 2022
Term would have run to
Feb 2, 2029
Feb 2, 2029
base term
patent term adjustment
fee events
Computed Sep 1, 2026 · countdowns run from that date · how we know
1,201
Days of PTA
3
Applications in this family
This patent's term runs 1201 days past the statutory base term on prosecution delay. 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 Oct 20, 2005 | Oct 20, 2025 | High |
| Continuity chain | Every parent in the chain resolved | no change | High |
| Patent term adjustment | +1201 days, USPTO PTA record | Feb 2, 2029 | High |
| Terminal disclaimer cap | None on record | no cap applied | High |
| Patent term extension | None on file | no change | High |
| Fee events | 2 of 3 maintenance fees paid | lapsed Aug 10, 2022 | High |
| Computed term end | The steps above, in order | Aug 10, 2022 | High |
The computation, verbatim
base=20y-from-earliest-nonprovisional: 2005-10-20+20y | =2025-10-20 | PTA+1201d=2029-02-02 | PTE:none | TD:none | paid 4yr@2013-11-29,8yr@2018-01-24; 12yr fee not paid - grace period ended 2022-08-10, expired as of grace end; USPTO recorded EXP. event(s) also on 2022-09-12 (administrative date - statutory grace end above governs) | status=expired-fees@2022-08-10
This family
| US 7,593,472 | in-force | Apr 2028 |
| US 7,773,680 | this patent | Aug 2022 |
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 |
|---|---|---|---|
| May 30, 2006 reel/frame not recorded | Winbond Electronics Corp. | Integrated System Solution Corp. | Assignment of Assignor's Interest |
| Sep 26, 2006 reel/frame not recorded | Kim, Pansop; Chen, Jeng-Hong | Winbond Electronics Corporation | Assignment of Assignor's Interest |
| Jun 24, 2010 reel/frame not recorded | Integrated System Solution Corp | Issc Technologies Corp. | Change of Name |
| Sep 6, 2015 reel/frame not recorded | Issc Technologies Corp. | Microchip Technology (BARBADOS) II Incorporated | Merger |
| Sep 18, 2015 reel/frame not recorded | Microchip Technology (BARBADOS) II Incorporated | Microchip Technology Incorporated | Assignment of Assignor's Interest |
| 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 |
| Feb 25, 2022 Reel 59333, frame 222 | Jpmorgan Chase Bank, N.A., as Administrative Agent | Microchip Technology Incorporated; Silicon Storage Technology, Inc.; Atmel Corporation; Microsemi Corporation; Microsemi Storage Solutions, Inc. | Release of Security Interest |
| Feb 25, 2022 reel/frame not recorded | Jpmorgan Chase Bank, N.A., as Administrative Agent | Microchip Technology Incorporated | Release of Security Interest |
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What's changing
Note
The 1201 days of PTA are read from the USPTO record, not recalculated by us
Citations
6
later US patents cite this one
That is above the median of utility patents granted in 2010 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.