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Architectures for Parallelized Intersection Testing and Shading for Ray-Tracing Rendering

US 8,203,559 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Jul 31, 2024 (Fortress Investment Group (UK) Ltd.).

Term ends Sep 17, 2027 · High confidence

Filed Nov 8, 2010 as application 12/941,884 · Granted Jun 19, 2012
Base term, 20 years from filing
Today
20 years from filing
2007 2027
Clock starts
Sep 17, 2007
Term ends
Sep 17, 2027
Granted
Jun 19, 2012
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.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
28
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. All three maintenance fees are recorded paid; no more fees are due. 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 17, 2007, when application 11/856,612, the earliest non-provisional in its chain, was filed (this one was filed Nov 8, 2010)Sep 17, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderSep 17, 2027High confidence

This family

US 7,969,434In force
May 2029
May 2029
US 7,830,379In force
Sep 2027
Sep 2027
US 8,203,555In force
Sep 2027
Sep 2027
US 8,018,457In force
no later than Sep 2027
no later than Sep 2027
Application PCT/US2009/056395PCT application
no patent term
no patent term
US 8,674,987In force
Jun 2030
Jun 2030
US 8,203,559this patent
Sep 2027
Sep 2027
US 8,300,049In force
Nov 2027
Nov 2027
8 of 28 applications in this family shown, earliest filings first. 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
Nov 8, 2010
Reel 25332, frame 505
Peterson, Luke Tilman; McCombe, James Alexander; Salsbury, Ryan R.; Purcell, StephenCaustic Graphics, Inc.Assignment of Assignor's Interest
Mar 13, 2014
Reel 32446, frame 219
Caustic Graphics, Inc.Imagination Technologies, Ltd.Assignment of Assignor's Interest
Jul 31, 2024
Reel 68221, frame 1
Imagination Technologies LimitedFortress Investment Group (UK) Ltd.Security 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.

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