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Systems and Methods for Improving the Performance of a Quantum Processor by Reducing Errors

US 9,495,644 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Mar 22, 2019 (BDC Capital Inc.).

Term ends May 18, 2035 · High confidence

Filed Jul 24, 2014 as application 14/340,303 · Granted Nov 15, 2016
Base term plus 298 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2014 2035
Clock starts
Jul 24, 2014
Term ends
May 18, 2035
Granted
Nov 15, 2016
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
298
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
36
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 298 days past its 20-year base term on prosecution delay. 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 Jul 24, 2014, when this application, 14/340,303, was filedJul 24, 2034High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+298 days, USPTO patent term adjustment recordMay 18, 2035High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMay 18, 2035High confidence

This family

Application PCT/US2013/077720PCT application
no patent term
no patent term
US 9,010,899In force
Dec 2033
Dec 2033
Application PCT/US2014/035193PCT application
no patent term
no patent term
US 9,352,561In force
Dec 2033
Dec 2033
US 9,495,644this patent
May 2035
May 2035
US 8,995,022In force
Aug 2034
Aug 2034
US 9,496,519In force
Dec 2034
Dec 2034
US 9,224,952In force
Dec 2033
Dec 2033
8 of 36 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
Oct 8, 2014
Reel 33910, frame 285
Chudak, Fabian Ariel; Rich, Christopher B.; Bunyk, Paul I.D-Wave Systems Inc.Assignment of Assignor's Interest
Mar 22, 2019
Reel 48674, frame 188
D-Wave Systems Inc.BDC Capital Inc.Security Interest
Nov 29, 2019
Reel 51144, frame 499
D-Wave Systems Inc.BDC Capital Inc.Security Interest
Mar 3, 2022
Reel 59317, frame 871
D-Wave Systems Inc.Pspib Unitas Investments II Inc.Security Interest
Sep 20, 2022
Reel 61493, frame 694
Pspib Unitas Investments II Inc., in Its Capacity as Collateral AgentD-Wave Systems Inc.Release of Security Interest
Apr 14, 2023
Reel 63340, frame 888
D-Wave Systems Inc.; 1372934 B.C. Ltd.Pspib Unitas Investments II Inc., as Collateral AgentIntellectual Property Security Agreement
Mar 11, 2025
Reel 70470, frame 98
Pspib Unitas Investments II Inc.D-Wave Systems Inc.; 1372934 B.C. Ltd.Release of Security Interest
Mar 11, 2025
reel/frame not recorded
Pspib Unitas Investments II Inc.D-Wave Systems Inc.Release of Security Interest
Mar 11, 2025
reel/frame not recorded
Pspib Unitas Investments II Inc.1372934 B.C. Ltd.Release of 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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