Term ends Dec 31, 2031 · Low confidence
20-year base term ends Dec 31, 2031
Grace period ended Oct 30, 2026 · no payment on record as of the Nov 10, 2026 fee file · lapse expected
Held by Beone Medicines I GmbH
Filed Apr 5, 2017 as application 15/479,958 · Granted Oct 30, 2018
Base term, 20 years from filing
Today
2011
2031
Clock starts
Dec 31, 2011
Dec 31, 2011
Term ends
Dec 31, 2031
Dec 31, 2031
Granted
Oct 30, 2018
Oct 30, 2018
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 9,260,440, US 9,617,273, to Dec 31, 2031. The term already ends on or before that date, so the cap shortened nothing.
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 is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 1 of 3 maintenance fees is paid so far. Confidence: Low: the grace period for its second maintenance fee ended Oct 30, 2026 with no payment on record. 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 Dec 31, 2011, when application PCT/CN2011/085148, the earliest non-provisional in its chain, was filed (this one was filed Apr 5, 2017) | Dec 31, 2031 | 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 | Disclaimer resolved from the filed document (refs US 9,260,440, US 9,617,273) | resolves to Dec 31, 2031, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | No fee event states this; the fee state is read from the payments the fee record holds; the fee record shows no payment for this window, and USPTO's status still reads "Patented Case"; the grace period ended with no payment on record in the fee file | grace period ended Oct 30, 2026 | Low confidence |
| Computed term end | The steps above, in order | Dec 31, 2031 | Low confidence |
This family
| US 9,260,440 | In force Dec 2031 | Dec 2031 |
| US 9,617,273 | Lapsed on the fee record Apr 2025 | Apr 2025 |
| US 10,112,952 | this patent Dec 2031 | Dec 2031 |
| US 10,501,467 | In force Dec 2031 | Dec 2031 |
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 |
|---|---|---|---|
| Jun 9, 2017 Reel 42657, frame 156 | Zhou, Changyou; Ren, Bo; Wang, Hexiang | BeiGene, Ltd. | Assignment of Assignor's Interest |
| Jul 29, 2022 Reel 60665, frame 251 | BeiGene, Ltd. | BeiGene Switzerland GmbH | Assignment of Assignor's Interest |
| Sep 23, 2025 Reel 72872, frame 76 | BeiGene Switzerland GmbH | Beone Medicines I GmbH | Change of Name |
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.
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Alerts on its grants, lapses and transfers.
What's changing
Oct 30
Grace period ended Oct 30, 2026 with no payment on record. The term ends early once USPTO posts the lapse
Dec 2031
Term ends Dec 31, 2031.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 9,260,440, US 9,617,273, ends no earlier than this term, so it caps nothing.
Citations
8
later US patents cite this one
That is above the median of utility patents granted in 2018 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.