Term ends May 9, 2033 · High confidence
20-year base term ends Feb 8, 2033
Held by Vanrx Pharmasystems Inc.
Filed Dec 17, 2018 as application 16/223,003 · Granted Dec 8, 2020
Base term plus 90 days of patent term adjustment (USPTO delay)
Today
2013
2033
Clock starts
Feb 8, 2013
Feb 8, 2013
Term ends
May 9, 2033
May 9, 2033
Granted
Dec 8, 2020
Dec 8, 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
90
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 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.
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 90 days past its 20-year base term on prosecution delay. 1 of 3 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 Feb 8, 2013, when application PCT/IB2013/000801, the earliest non-provisional in its chain, was filed (this one was filed Dec 17, 2018) | Feb 8, 2033 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +90 days, USPTO patent term adjustment record | May 9, 2033 | 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 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 9, 2033 | High confidence |
This family
| US 11,065,759 | In force Mar 2034 | Mar 2034 |
| Application 16/222,985 | Abandoned not computed | not computed |
| US 10,857,666 | this patent May 2033 | May 2033 |
| Application 17/486,693 | 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 |
|---|---|---|---|
| Mar 27, 2020 Reel 52242, frame 787 | Procyshyn, Christopher A; Immerzeel, Jeroen; Gold, Ross M; Park, Steve Sang Joon | Vanrx Pharmasystems Inc. | 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
May 2033
Term ends May 9, 2033. Maintenance fees still fall due before then
Note
The 90 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2
later US patents cite this one
That is below the median 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.