Collateral for a security interest recorded Mar 22, 2019 (BDC Capital Inc.).
Term ends Feb 29, 2028 · Medium confidence
20-year base term ended Jul 10, 2026
Why Medium: A parent in the chain could not be resolved.
Held by D-Wave Systems Inc.
Filed Aug 3, 2010 as application 12/849,588 · Granted Oct 15, 2013
Base term plus 599 days of patent term adjustment (USPTO delay)
Today
2006
2028
Clock starts
Jul 10, 2006
Jul 10, 2006
Term ends
Feb 29, 2028
Feb 29, 2028
Granted
Oct 15, 2013
Oct 15, 2013
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
599
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.
8
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 599 days past its 20-year base term on prosecution delay. 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.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Jul 10, 2006, when application 11/484,368, the earliest non-provisional in its chain, was filed (this one was filed Aug 3, 2010); a parent in its chain could not be resolved (the next row) | Jul 10, 2026 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +599 days, USPTO patent term adjustment record | Feb 29, 2028 | 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 | Feb 29, 2028 | Medium confidence |
This family
| US 7,844,656 | In force Sep 2029 | Sep 2029 |
| Application PCT/US2010/038867 | PCT application no patent term | no patent term |
| US 8,386,554 | In force Aug 2027 | Aug 2027 |
| US 8,560,282 | this patent Feb 2028 | Feb 2028 |
| US 8,700,689 | In force Sep 2032 | Sep 2032 |
| US 9,405,876 | In force Apr 2031 | Apr 2031 |
| US 9,594,726 | In force Jun 2030 | Jun 2030 |
| US 9,665,539 | In force Jun 2030 | Jun 2030 |
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 |
|---|---|---|---|
| Nov 9, 2010 Reel 25338, frame 468 | Macready, William G.; Rose, Geordie; Love, Peter | 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 |
| 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
Feb 2028
Term ends Feb 29, 2028. No further fees fall due before then
Note
The 599 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
173
later US patents cite this one
That is top 5% of utility patents granted in 2013 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.