Term ends Sep 13, 2033 · Low confidence
20-year base term ends Sep 13, 2033
Held by Beone Medicines I GmbH
Filed Nov 14, 2019 as application 16/684,237 · Granted Jun 13, 2023
Base term plus 529 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2013
2033
Clock starts
Sep 13, 2013
Sep 13, 2013
Term ends
Sep 13, 2033
Sep 13, 2033
Granted
Jun 13, 2023
Jun 13, 2023
base term
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 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.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,864,203, US 11,186,637, US 11,202,782, US 11,203,637, US 11,534,431, US 8,735,553.
0 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.
11
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. A terminal disclaimer resolved from the filed document caps it earlier. 0 of 2 maintenance fees are paid so far. Confidence: Low. 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 Sep 13, 2013, when application PCT/CN2013/083467, the earliest non-provisional in its chain, was filed (this one was filed Nov 14, 2019); a parent in its chain could not be resolved (the next row) | Sep 13, 2033 | 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 | +529 days, USPTO patent term adjustment record | Feb 24, 2035 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,864,203, US 11,186,637, US 11,202,782, US 11,203,637, US 11,534,431, US 8,735,553) | capped to Sep 13, 2033 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 2 maintenance fees paid | In force | High confidence |
| Further caveats on record | The record names parents not resolved: 15978695, 14736966, 14076214, 14076214 | Low confidence overall | Low confidence |
| Computed term end | The steps above, in order | Sep 13, 2033 | Low confidence |
This family
| US 8,735,553 | In force Sep 2033 | Sep 2033 |
| US 9,217,034 | In force Dec 2033 | Dec 2033 |
| US 9,834,606 | Lapsed on the fee record Dec 2025 | Dec 2025 |
| US 9,988,450 | Lapsed on the fee record Jun 2026 | Jun 2026 |
| US 10,519,235 | In force Sep 2033 | Sep 2033 |
| US 11,673,951 | this patent Sep 2033 | Sep 2033 |
| US 11,186,637 | Lapsed on the fee record Nov 2025 | Nov 2025 |
| Application 17/513,217 | Abandoned not computed | not computed |
8 of 11 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 |
|---|---|---|---|
| Nov 19, 2020 Reel 54423, frame 351 | Li, Kang; Zhang, Tong; Song, Jing; Xu, Lanlan; Liu, Qi; Peng, Hao | BeiGene, Ltd. | Assignment of Assignor's Interest |
| Nov 19, 2020 Reel 54423, frame 366 | BeiGene, Ltd. | BeiGene Switzerland GmbH | Assignment of Assignor's Interest |
| Nov 4, 2021 Reel 58267, frame 358 | BeiGene Switzerland GmbH | BeiGene Switzerland GmbH | Change of Assignee Address |
| 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
Sep 2033
Term ends Sep 13, 2033. Maintenance fees still fall due before then
Note
The 529 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 10,864,203, US 11,186,637, US 11,202,782, US 11,203,637, US 11,534,431, US 8,735,553.
Citations
17
later US patents cite this one
That is top 5% of utility patents granted in 2023 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.