Term ended Jul 25, 2026 · Medium confidence
20-year base term ended Jul 25, 2026
Why Medium: A parent in the chain could not be resolved.
Filed Sep 15, 2016 as application 15/266,467 · Granted Jun 27, 2017
Base term, 20 years from filing
Today
Term ended Jul 25, 2026
2006
2026
Clock starts
Jul 25, 2006
Jul 25, 2006
Term ended
Jul 25, 2026
Jul 25, 2026
Granted
Jun 27, 2017
Jun 27, 2017
base term
after the term ends
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 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.
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.
17
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. 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 25, 2006, when application PCT/CA2006/001225, the earliest non-provisional in its chain, was filed (this one was filed Sep 15, 2016); a parent in its chain could not be resolved (the next row) | Jul 25, 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 | None on file | no change | 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 | 2 of 2 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Jul 25, 2026 | Medium confidence |
This family
| US 7,906,770 | In force Nov 2027 | Nov 2027 |
| US 7,880,154 | In force no later than Feb 2027 | no later than Feb 2027 |
| US 8,696,538 | In force Feb 2027 | Feb 2027 |
| US 9,050,459 | Term ended Jul 2026 | Jul 2026 |
| US 9,630,025 | Term ended Oct 2026 | Oct 2026 |
| US 9,687,677 | Term ended Jul 2026 | Jul 2026 |
| US 9,687,673 | Term ended Jul 2026 | Jul 2026 |
| US 9,687,678 | this patent Jul 2026 | Jul 2026 |
8 of 17 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 |
|---|---|---|---|
| Sep 15, 2016 Reel 39757, frame 760 | Otto, Karl | Varian Medical Systems International AG | Assignment of Assignor's Interest |
| Jan 9, 2023 Reel 62320, frame 542 | Varian Medical Systems International AG | Siemens Healthineers International AG | Change of Name |
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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Alerts on its grants, lapses and transfers.
Citations
2
later US patents cite this one
That is below the median 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.