The Patent Finder
US

Analog Processor Comprising Quantum Devices

US 8,283,943 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Dec 22, 2025 · High confidence

Filed Aug 15, 2011 as application 13/210,169 · Granted Oct 9, 2012
Base term, 20 years from filing
Today
20 years from filing
Term ended Dec 22, 2025
2005 2026
Clock starts
Dec 22, 2005
Term ended
Dec 22, 2025
Granted
Oct 9, 2012
base term after the term ends 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.
12
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 were paid, so no fee lapse ended it. 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 Dec 22, 2005, when application 11/317,838, the earliest non-provisional in its chain, was filed (this one was filed Aug 15, 2011)Dec 22, 2025High 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 paidterm endedHigh confidence
Computed term endThe steps above, in orderDec 22, 2025High confidence

This family

US 7,533,068In force
Dec 2026
Dec 2026
US 7,624,088In force
Mar 2027
Mar 2027
US 8,008,942Term ended
Apr 2026
Apr 2026
US 8,283,943this patent
Dec 2025
Dec 2025
US 8,686,751Term ended
Dec 2025
Dec 2025
US 9,069,928Term ended
Dec 2025
Dec 2025
US 9,727,527Term ended
Feb 2026
Feb 2026
US 10,140,248Term ended
Dec 2025
Dec 2025
8 of 12 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
Jan 29, 2015
Reel 34841, frame 497
D-Wave Systems Inc.Venture Lending & Leasing VI, Inc.; Venture Lending & Leasing VII, Inc.Security Interest
Jan 29, 2015
reel/frame not recorded
D-Wave Systems Inc.Venture Lending & Leasing VI, Inc.Security Interest
Jan 29, 2015
reel/frame not recorded
D-Wave Systems Inc.Venture Lending & Leasing VII, Inc.Security Interest
Jan 30, 2015
Reel 34862, frame 237
D-Wave Systems Inc.Venture Lending & Leasing VI, Inc.; Venture Lending & Leasing VII, Inc.Corrective Assignment to Remove Appl. No. 8733763 Previously Recorded at Reel: 034841 Frame: 0497. Assignor(S) Hereby Confirms the Security Agreement.
Jan 30, 2015
reel/frame not recorded
D-Wave Systems Inc.Venture Lending & Leasing VI, Inc.Corrective Assignment to Remove Appl. No. 8733763 Previously Recorded at Reel: 034841 Frame: 0497. Assignor(S) Hereby Confirms the Security Agreement.
Jan 30, 2015
reel/frame not recorded
D-Wave Systems Inc.Venture Lending & Leasing VII, Inc.Corrective Assignment to Remove Appl. No. 8733763 Previously Recorded at Reel: 034841 Frame: 0497. Assignor(S) Hereby Confirms the Security Agreement.
Apr 13, 2017
Reel 42252, frame 256
Venture Lending & Leasing VI, Inc.; Venture Lending & Leasing VII, Inc.D-Wave Systems Inc.Release of Security 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
Jun 28, 2022
Reel 60336, frame 400
Berkley, Andrew J.; Van Den Brink, Alec Maassen; Love, Peter; Amin, Mohammad H.s.; Rose, Geordie; Grant, David; Steininger, Miles F.h.; Bunyk, PaulD-Wave Systems Inc.Assignment of Assignor's Interest
Jun 28, 2022
Reel 60448, frame 485
D-Wave Systems Inc.D-Wave Systems Inc.Continuation
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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited