Term ends Jan 10, 2039 · Medium confidence
20-year base term ends Apr 3, 2038
Why Medium: A parent in the chain could not be resolved.
Held by Genmab A/S
Filed Nov 23, 2021 as application 17/534,029 · Granted Oct 21, 2025
Base term plus 282 days of patent term adjustment (USPTO delay)
Today
2018
2039
Clock starts
Apr 3, 2018
Apr 3, 2018
Term ends
Jan 10, 2039
Jan 10, 2039
Granted
Oct 21, 2025
Oct 21, 2025
base term
patent term adjustment
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
282
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
9
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 282 days past its 20-year base term on prosecution delay. 0 of 3 maintenance fees are paid so far. Confidence: Medium. 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 Apr 3, 2018, when application PCT/EP2018/058479, the earliest non-provisional in its chain, was filed (this one was filed Nov 23, 2021); a parent in its chain could not be resolved (the next row) | Apr 3, 2038 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +282 days, USPTO patent term adjustment record | Jan 10, 2039 | 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 | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 10, 2039 | Medium confidence |
This family
| Application 16/498,104 | Abandoned not computed | not computed |
| US 11,512,137 | In force Apr 2038 | Apr 2038 |
| US 11,034,772 | In force Apr 2038 | Apr 2038 |
| US 11,396,553 | In force no later than Apr 2038 | no later than Apr 2038 |
| US 12,448,459 | this patent Jan 2039 | Jan 2039 |
| Application 17/975,362 | Abandoned not computed | not computed |
| Application 17/975,333 | Abandoned not computed | not computed |
| US 12,577,316 | In force Apr 2038 | Apr 2038 |
8 of 9 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 |
|---|---|---|---|
| Jan 19, 2022 Reel 58695, frame 494 | Oostindie, Simone; Beurskens, Frank; Breij, Esther; Van Den Brink, Edward; Hollenstein, Andreas; Overdijk, Marije; Lindorfer, Margaret; Taylor, Ronald; Parren, Paul; Van Der Horst, Hilma; Chamuleau, Martine E.d.; Mutis, Tuna | Genmab Holding B.V. | Assignment of Assignor's Interest |
| Dec 15, 2025 Reel 73933, frame 597 | Genmab A/S; Genmab B.V.; Genmab Holding B.V. | Morgan Stanley Senior Funding, Inc. | Security Interest |
| Dec 15, 2025 Reel 73949, frame 722 | Genmab A/S; Genmab B.V.; Genmab Holding B.V. | Wilmington Trust, National Association | Notice of Grant of Security Interest in Patents |
| Sep 3, 2026 reel/frame not recorded | Genmab Holding B.V. | Genmab A/S | 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 2039
Term ends Jan 10, 2039. Maintenance fees still fall due before then
Note
The 282 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
5
later US patents cite this one
Fewer than half of the utility patents granted in 2025 in our data have been cited yet, so we show the count and do not rank on it.
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.