Term ended Feb 23, 2026 · High confidence
20-year base term ended Dec 22, 2025
Held by D-Wave Systems Inc.
Filed Jun 1, 2015 as application 14/727,521 · Granted Aug 8, 2017
Base term plus 63 days of patent term adjustment (USPTO delay)
Today
Term ended Feb 23, 2026
2005
2026
Clock starts
Dec 22, 2005
Dec 22, 2005
Term ended
Feb 23, 2026
Feb 23, 2026
Granted
Aug 8, 2017
Aug 8, 2017
base term
patent term adjustment
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
63
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,533,068, to Feb 23, 2026. The term already ends on or before that date, so the cap shortened nothing.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. 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 63 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 application 11/317,838, the earliest non-provisional in its chain, was filed (this one was filed Jun 1, 2015) | Dec 22, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +63 days, USPTO patent term adjustment record | Feb 23, 2026 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,533,068) | resolves to Feb 23, 2026, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Feb 23, 2026 | High confidence |
This family
| US 7,533,068 | In force 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 | this patent 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 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, Paul | D-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 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
Note
The 63 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 7,533,068, ends no earlier than this term, so it caps nothing.
Citations
27
later US patents cite this one
That is top 25% of utility patents granted in 2017 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.