Term ends Jun 26, 2031 · High confidence
20-year base term ends Jun 26, 2031
Held by International N&H Denmark APS
Filed Jun 23, 2016 as application 15/191,376 · Granted May 8, 2018
Base term, 20 years from filing
Today
2011
2031
Clock starts
Jun 26, 2011
Jun 26, 2011
Term ends
Jun 26, 2031
Jun 26, 2031
Granted
May 8, 2018
May 8, 2018
base term
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 9,410,216, to Jun 26, 2031. The term already ends on or before that date, so the cap shortened nothing.
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.
24
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Jun 26, 2011, when application PCT/IL2011/000509, the earliest non-provisional in its chain, was filed (this one was filed Jun 23, 2016) | Jun 26, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,410,216) | resolves to Jun 26, 2031, no earlier than this term, so no change | 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 | Jun 26, 2031 | High confidence |
This family
| Application 13/700,431 | Abandoned not computed | not computed |
| Application PCT/US2011/046153 | PCT application no patent term | no patent term |
| Application PCT/US2011/050435 | PCT application no patent term | no patent term |
| US 9,410,216 | In force Jun 2031 | Jun 2031 |
| Application PCT/US2012/032227 | PCT application no patent term | no patent term |
| US 9,476,106 | In force Oct 2033 | Oct 2033 |
| Application 14/009,867 | Abandoned not computed | not computed |
| US 9,963,673 | this patent Jun 2031 | Jun 2031 |
8 of 24 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 |
|---|---|---|---|
| Jun 24, 2016 Reel 39003, frame 640 | Eyal, Aharon Meir; Jansen, Robert P.; Mali, Revital; Vitner, Asher | HCL Cleantech Ltd. | Assignment of Assignor's Interest |
| Jun 24, 2016 Reel 39003, frame 705 | HCL Tech Ltd. | HCL Cleantech Ltd. | Change of Name |
| Jun 24, 2016 Reel 39003, frame 761 | HCL Tech Ltd. | Virdia Ltd. | Change of Name |
| Jun 24, 2016 Reel 39003, frame 846 | Virdia Ltd. | Virdia, Inc. | Assignment of Assignor's Interest |
| Mar 12, 2021 Reel 55599, frame 793 | Triplepoint Capital LLC | Virdia, Inc. | Release of Security Interest |
| Mar 18, 2021 Reel 55633, frame 305 | Virdia, Inc. | Virdia, LLC | Change of Name |
| Oct 4, 2024 Reel 69873, frame 615 | Virdia LLC | International N&H Denmark APS | Assignment of Assignor's 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
Jun 2031
Term ends Jun 26, 2031. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 9,410,216, ends no earlier than this term, so it caps nothing.
Citations
18
later US patents cite this one
That is top 25% of utility patents granted in 2018 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.