Term ends Jan 31, 2032 · High confidence
20-year base term ends Oct 13, 2031
Held by Drylock Technologies N.V.
Filed Nov 3, 2017 as application 15/802,700 · Granted Sep 15, 2020
Base term plus 110 days of patent term adjustment (USPTO delay)
Today
2011
2032
Clock starts
Oct 13, 2011
Oct 13, 2011
Term ends
Jan 31, 2032
Jan 31, 2032
Granted
Sep 15, 2020
Sep 15, 2020
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
110
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
5
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 110 days past its 20-year base term on prosecution delay. 1 of 2 maintenance fees is 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 Oct 13, 2011, when application PCT/EP2011/005138, the earliest non-provisional in its chain, was filed (this one was filed Nov 3, 2017) | Oct 13, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +110 days, USPTO patent term adjustment record | Jan 31, 2032 | 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 | 1 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 31, 2032 | High confidence |
This family
| US 9,603,750 | In force Mar 2033 | Mar 2033 |
| US 11,020,280 | In force Feb 2032 | Feb 2032 |
| US 10,772,769 | this patent Jan 2032 | Jan 2032 |
| Application 15/802,723 | Abandoned not computed | not computed |
4 of 5 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 |
|---|---|---|---|
| Nov 3, 2017 Reel 44027, frame 267 | Van De Maele, Marleen | Romanova Bvba Starter | Assignment of Assignor's Interest |
| Nov 22, 2017 Reel 44197, frame 579 | Romanova BVBV Starter | Drylock Technologies N.V. | 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
Jan 2032
Term ends Jan 31, 2032. Maintenance fees still fall due before then
Note
The 110 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
13
later US patents cite this one
That is top 25% of utility patents granted in 2020 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.