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US

Statistical Optimization in Place-And-Route

US 9,342,642 In force
OverviewFamilyAssignmentsSources & methods

Also listed on Atoptech, Inc., an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Sep 16, 2033 · High confidence

Filed Jun 26, 2014 as application 14/316,438 · Granted May 17, 2016
Base term, 20 years from filing
Today
20 years from filing
2013 2033
Clock starts
Sep 16, 2013
Term ends
Sep 16, 2033
Granted
May 17, 2016
base term fee events Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,806,412, to Sep 16, 2033. The term already ends on or before that date, so the cap shortened nothing.
2 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
2
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 2 of 3 maintenance fees are paid so far. Confidence: High. from the record

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Sep 16, 2013, when application 14/028,145, the earliest non-provisional in its chain, was filed (this one was filed Jun 26, 2014)Sep 16, 2033High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 8,806,412)resolves to Sep 16, 2033, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderSep 16, 2033High confidence

This family

US 8,806,412In force
Sep 2033
Sep 2033
US 9,342,642this patent
Sep 2033
Sep 2033
The applications whose file history this site holds. The family may have others.

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.
RecordedAssignorAssigneeConveyance
Jun 20, 2017
Reel 42761, frame 387
Wang, Yu-cheng; Wang, Wei-shenAtoptech, Inc.Assignment of Assignor's Interest
Jun 20, 2017
Reel 42761, frame 478
Atoptech, Inc.Avatar Integrated Systems, Inc.Assignment of Assignor's Interest
Jul 16, 2020
Reel 53224, frame 268
Avatar Integrated Systems, Inc.Mentor Graphics CorporationSecurity Interest
Aug 21, 2020
Reel 53558, frame 632
Mentor Graphics CorporationAvatar Integrated Systems, Inc.Release of Security Interest
Dec 2, 2020
Reel 54514, frame 76
Avatar Integrated Systems, Inc.; Siemens Industry Software Inc.Siemens Industry Software Inc.Merger and 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.

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