Term ends Nov 8, 2028 · High confidence
20-year base term ends May 29, 2027
Held by X-Flow B.V.
Filed Mar 6, 2014 as application 14/198,700 · Granted Apr 23, 2019
Base term plus 529 days of patent term adjustment (USPTO delay)
Today
2007
2028
Clock starts
May 29, 2007
May 29, 2007
Term ends
Nov 8, 2028
Nov 8, 2028
Granted
Apr 23, 2019
Apr 23, 2019
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
529
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 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 runs 529 days past its 20-year base term on prosecution delay. 2 of 2 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 May 29, 2007, when application PCT/NL2007/000136, the earliest non-provisional in its chain, was filed (this one was filed Mar 6, 2014) | May 29, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +529 days, USPTO patent term adjustment record | Nov 8, 2028 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Nov 8, 2028 | High confidence |
This family
| Application 12/301,660 | Abandoned not computed | not computed |
| US 8,227,396 | In force Jul 2028 | Jul 2028 |
| US 8,801,867 | In force Jul 2028 | Jul 2028 |
| US D669,960 | Term ended Oct 2026 | Oct 2026 |
| US 9,950,299 | Lapsed on the fee record Apr 2022 | Apr 2022 |
| US 9,504,964 | In force Feb 2033 | Feb 2033 |
| US 10,266,439 | this patent Nov 2028 | Nov 2028 |
| US 10,391,453 | In force Jun 2035 | Jun 2035 |
8 of 17 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
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.
What's changing
Nov 2028
Term ends Nov 8, 2028. No further fees fall due before then
Note
The 529 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2019 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.