Also listed on Novadaq Corp., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Mar 23, 2029 · High confidence
20-year base term ends Jul 10, 2028
Held by Novadaq Technologies ULC
Filed Mar 21, 2011 as application 13/057,593 · Granted Jun 30, 2015
Base term plus 256 days of patent term adjustment (USPTO delay)
Today
2008
2029
Clock starts
Jul 10, 2008
Jul 10, 2008
Term ends
Mar 23, 2029
Mar 23, 2029
Granted
Jun 30, 2015
Jun 30, 2015
base term
patent term adjustment
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
256
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
4
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 256 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. 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 Jul 10, 2008, when application PCT/IB2008/052787, the earliest non-provisional in its chain, was filed (this one was filed Mar 21, 2011) | Jul 10, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +256 days, USPTO patent term adjustment record | Mar 23, 2029 | 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 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Mar 23, 2029 | High confidence |
This family
| US 9,066,686 | this patent Mar 2029 | Mar 2029 |
| US 9,757,039 | In force Nov 2028 | Nov 2028 |
| US 10,617,303 | In force Jul 2028 | Jul 2028 |
3 of 4 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 |
|---|---|---|---|
| Feb 4, 2011 Reel 25746, frame 277 | Lasser, Theo; Van De Ville, Dimitri; Martin-williams, Erica; Leutenegger, Marcel; Maerki, Iwan; Friedrich, Michael; Villiger, Martin | Ecole Polytechnique Federale de Lausanne (EPFL) | Assignment of Assignor's Interest |
| Nov 10, 2016 Reel 40275, frame 707 | Lasser, Theo; Van De Ville, Dimitri; Martin-williams, Erica; Leutenegger, Marcel; Maerki, Iwan; Friedrich, Michael; Villiger, Martin | Ecole Polytechnique Federale de Lausanne (EPFL) | Assignment of Assignor's Interest |
| Sep 8, 2017 Reel 43786, frame 344 | Midcap Funding IV Trust (as Successor Agent to Midcap Financial Trust) | Novadaq Technologies Inc.; Novadaq Corp. | Release of Security Interest |
| Sep 8, 2017 Reel 43788, frame 799 | Midcap Financial Trust | Novadaq Technologies Inc.; Novadaq Corp. | Release of Security Interest |
| Sep 8, 2017 reel/frame not recorded | Midcap Funding IV Trust (as Successor Agent to Midcap Financial Trust) | Novadaq Technologies Inc. | Release of Security Interest |
| Sep 8, 2017 reel/frame not recorded | Midcap Funding IV Trust (as Successor Agent to Midcap Financial Trust) | Novadaq Corp. | Release of Security Interest |
| Sep 8, 2017 reel/frame not recorded | Midcap Financial Trust | Novadaq Technologies Inc. | Release of Security Interest |
| Sep 8, 2017 reel/frame not recorded | Midcap Financial Trust | Novadaq Corp. | Release of Security Interest |
| Dec 19, 2017 Reel 44910, frame 507 | Novadaq Technologies Inc.; Stryker Canada Operations ULC | Novadaq Technologies ULC | Merger and Change of Name |
| May 3, 2021 Reel 56425, frame 530 | Novadaq Technologies Inc. | Novadaq Technologies ULC | Corrective Assignment to Correct the Erroneously Filed Against Application No. 15/570,072 Previously Recorded at Reel: 044910 Frame: 0507. Assignor(S) Hereby Confirms the Merger and 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Mar 2029
Term ends Mar 23, 2029. Maintenance fees still fall due before then
Note
The 256 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
28
later US patents cite this one
That is top 25% of utility patents granted in 2015 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.