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Measuring an Appearance Property of a Surface Using a Spatially Under-Sampled Bidirectional Reflectance Distribution Function

US 7,940,396 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Aug 4, 2006 (Goldman Sachs Credit Partners L.P.).

Term ends Jan 4, 2028 · Medium confidence

Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 7,944,561), so the cap could be lower.

Filed Apr 25, 2006 as application 11/410,451 · Granted May 10, 2011
Base term plus 1345 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
2006 2028
Clock starts
Apr 25, 2006
Term ends
Jan 4, 2028
Granted
May 10, 2011
base term patent term adjustment 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
1,345
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 7,944,561.
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.
3
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 runs 1345 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. All three maintenance fees are recorded paid; no more fees are due. Confidence: Medium. 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 Apr 25, 2006, when this application, 11/410,451, was filedApr 25, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1345 days, USPTO patent term adjustment recordDec 30, 2029High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 7,944,561)capped to Jan 4, 2028Medium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJan 4, 2028Medium confidence

This family

US 7,940,396this patent
Jan 2028
Jan 2028
US 7,944,561In force
no later than Jan 2028
no later than Jan 2028
US 8,345,252Lapsed on the fee record
Jan 2021
Jan 2021
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 29, 2006
Reel 17867, frame 146
Nisper, Jon Kenneth; Rood, Patrick S.; Pawlanta, Brett Allen; Richardson, Thomas M.; Teunis, Brian DaleX-rite, IncorporatedAssignment of Assignor's Interest
Aug 4, 2006
Reel 18056, frame 568
X-rite, IncorporatedFifth Third BankPatent Security Agreement (First Lien) -- Supplemental IP
Aug 4, 2006
Reel 18057, frame 466
X-rite, IncorporatedGoldman Sachs Credit Partners L.P.Patent Security Agreement (Second Lien)--Supplemental IP
Nov 5, 2007
Reel 20064, frame 313
X-rite, Incorporated; Otp, Incorporated; Monaco Acquisition Company; X-rite Global, Incorporated; X-Rite Holdings, Inc.; Gretagmacbeth LLC; Pantone, Inc.Fifth Third Bank, a Michigan Banking Corporation, as Collateral AgentSecurity Agreement
Nov 8, 2007
Reel 20156, frame 569
X-rite, IncorporatedThe Bank of New York, as Collateral AgentPatent Security Agreement (Second Lien)
Apr 6, 2011
Reel 26082, frame 713
X-rite, IncorporatedBank of America, N.A., as Administrative AgentNotice of Grant of Security Interest in Patents
Apr 14, 2011
Reel 26126, frame 496
Fifth Third Bank, an Ohio Banking Corporation, and Successor by Merger to Fifth Third Bank, a Michigan Banking Corporation, as Collateral AgentX-rite, Incorporated; Otp, Incorporated; Monaco Acquisition Company; X-rite Global, Incorporated; X-Rite Holdings, Inc.; Gretagmacbeth LLC; Pantone, Inc.Patent Release and Reassignment
Apr 14, 2011
reel/frame not recorded
Fifth Third Bank, an Ohio Banking Corporation, and Successor by Merger to Fifth Third Bank, a Michigan Banking Corporation, as Collateral AgentX-rite, IncorporatedPatent Release and Reassignment
Apr 14, 2011
reel/frame not recorded
Fifth Third Bank, an Ohio Banking Corporation, and Successor by Merger to Fifth Third Bank, a Michigan Banking Corporation, as Collateral AgentOtp, IncorporatedPatent Release and Reassignment
Apr 14, 2011
reel/frame not recorded
Fifth Third Bank, an Ohio Banking Corporation, and Successor by Merger to Fifth Third Bank, a Michigan Banking Corporation, as Collateral AgentMonaco Acquisition CompanyPatent Release and Reassignment
Apr 14, 2011
reel/frame not recorded
Fifth Third Bank, an Ohio Banking Corporation, and Successor by Merger to Fifth Third Bank, a Michigan Banking Corporation, as Collateral AgentX-rite Global, IncorporatedPatent Release and Reassignment
Apr 14, 2011
reel/frame not recorded
Fifth Third Bank, an Ohio Banking Corporation, and Successor by Merger to Fifth Third Bank, a Michigan Banking Corporation, as Collateral AgentX-Rite Holdings, Inc.Patent Release and Reassignment
Apr 14, 2011
reel/frame not recorded
Fifth Third Bank, an Ohio Banking Corporation, and Successor by Merger to Fifth Third Bank, a Michigan Banking Corporation, as Collateral AgentGretagmacbeth LLCPatent Release and Reassignment
Apr 14, 2011
reel/frame not recorded
Fifth Third Bank, an Ohio Banking Corporation, and Successor by Merger to Fifth Third Bank, a Michigan Banking Corporation, as Collateral AgentPantone, Inc.Patent Release and Reassignment
Apr 19, 2011
Reel 26149, frame 681
The Bank of New York Mellon, as AgentX-rite, Incorporated; Otp, Incorporated; Monaco Acquisition Company; X-rite Global, Incorporated; X-Rite Holdings, Inc.; Gretagmacbeth, LLC; Pantone, Inc.Release of Security Interest
Apr 19, 2011
reel/frame not recorded
The Bank of New York Mellon, as AgentX-rite, IncorporatedRelease of Security Interest
Apr 19, 2011
reel/frame not recorded
The Bank of New York Mellon, as AgentOtp, IncorporatedRelease of Security Interest
Apr 19, 2011
reel/frame not recorded
The Bank of New York Mellon, as AgentMonaco Acquisition CompanyRelease of Security Interest
Apr 19, 2011
reel/frame not recorded
The Bank of New York Mellon, as AgentX-rite Global, IncorporatedRelease of Security Interest
Apr 19, 2011
reel/frame not recorded
The Bank of New York Mellon, as AgentX-Rite Holdings, Inc.Release of Security Interest
Apr 19, 2011
reel/frame not recorded
The Bank of New York Mellon, as AgentGretagmacbeth, LLCRelease of Security Interest
Apr 19, 2011
reel/frame not recorded
The Bank of New York Mellon, as AgentPantone, Inc.Release of Security Interest
May 16, 2012
Reel 28218, frame 671
Bank of America, N.A., as Administrative AgentX-Rite, Inc.Termination and Release of Security Interest in Patents Recorded on Reel 026082 Frame 0713

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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