Term ends Apr 3, 2038 · High confidence
20-year base term ends Apr 3, 2038
Held by Genmab A/S
Filed May 11, 2020 as application 16/872,140 · Granted Nov 29, 2022
Base term, 20 years from filing
Today
2018
2038
Clock starts
Apr 3, 2018
Apr 3, 2018
Term ends
Apr 3, 2038
Apr 3, 2038
Granted
Nov 29, 2022
Nov 29, 2022
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.
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.
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 is its 20-year base term, with no adjustment for 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 Apr 3, 2018, when application PCT/EP2018/058479, the earliest non-provisional in its chain, was filed (this one was filed May 11, 2020) | Apr 3, 2038 | 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 | 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 | Apr 3, 2038 | High confidence |
This family
| Application 16/498,104 | Abandoned not computed | not computed |
| US 11,512,137 | this patent 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 | In force 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 |
|---|---|---|---|
| Apr 28, 2021 Reel 56073, frame 46 | Oostindie, Simone; Beurskens, Frank; Breij, Esther; Van Den Brink, Edward; Hollenstein, Andreas; Overdijk, Marije; Lindorfer, Margaret; Taylor, Ronald; Parren, Paul; Van Der Horst, Hilma; E. D. Chamuleau, Martine; 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
Apr 2038
Term ends Apr 3, 2038. Maintenance fees still fall due before then
Citations
12
later US patents cite this one
That is top 10% of utility patents granted in 2022 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.