Collateral for a security interest recorded Mar 22, 2019 (BDC Capital Inc.).
Term ends Dec 17, 2026 · High confidence
20-year base term ended Dec 22, 2025
Held by D-Wave Systems Inc.
Filed Dec 22, 2005 as application 11/317,838 · Granted May 12, 2009
Base term plus 360 days of patent term adjustment (USPTO delay)
Today
2005
2026
Clock starts
Dec 22, 2005
Dec 22, 2005
Term ends
Dec 17, 2026
Dec 17, 2026
Granted
May 12, 2009
May 12, 2009
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
360
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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 runs 360 days past its 20-year base term on 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.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Dec 22, 2005, when this application, 11/317,838, was filed | Dec 22, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +360 days, USPTO patent term adjustment record | Dec 17, 2026 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 17, 2026 | High confidence |
This family
| US 7,533,068 | this patent Dec 2026 | Dec 2026 |
| US 7,624,088 | In force Mar 2027 | Mar 2027 |
| US 8,008,942 | Term ended Apr 2026 | Apr 2026 |
| US 8,283,943 | Term ended Dec 2025 | Dec 2025 |
| US 8,686,751 | Term ended Dec 2025 | Dec 2025 |
| US 9,069,928 | Term ended Dec 2025 | Dec 2025 |
| US 9,727,527 | Term ended Feb 2026 | Feb 2026 |
| US 10,140,248 | Term 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.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Mar 14, 2006 Reel 17680, frame 587 | Van Den Brink, Alec Maassen; Love, Peter; Amin, Mohammad H.s.; Rose, Geordie; Grant, David; Steininger, Miles F.h.; Bunyk, Paul | D-Wave Systems, Inc. | Assignment of Assignor's Interest |
| Mar 14, 2006 Reel 17682, frame 181 | Van Den Brink, Alec; Love, Peter; Amin, Mohammad H.s.; Rose, Geordie; Grant, David; Steininger, Miles F.h.; Bunyk, Paul | D-Wave Systems, Inc. | Assignment of Assignor's Interest |
| Jan 26, 2009 Reel 22156, frame 760 | Berkley, Andrew J. | D-Wave Systems Inc. | Assignment of Assignor's Interest |
| 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 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 Agent | D-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 Agent | Intellectual 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Dec 2026
Term ends Dec 17, 2026. No further fees fall due before then
Note
The 360 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
458
later US patents cite this one
That is top 1% of utility patents granted in 2009 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.