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ANTI-PD1 Antibodies and Their Use as Therapeutics and Diagnostics

US 11,673,951 In force
OverviewFamilyAssignmentsSources & methods

Term ends Sep 13, 2033 · Low confidence

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
20 years from filing
2013 2033
Clock starts
Sep 13, 2013
Term ends
Sep 13, 2033
Granted
Jun 13, 2023
base term 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
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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock 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, 2033High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+529 days, USPTO patent term adjustment recordFeb 24, 2035High confidence
Terminal disclaimer capDisclaimer 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, 2033High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 2 maintenance fees paidIn forceHigh confidence
Further caveats on recordThe record names parents not resolved: 15978695, 14736966, 14076214, 14076214Low confidence overallLow confidence
Computed term endThe steps above, in orderSep 13, 2033Low confidence

This family

US 8,735,553In force
Sep 2033
Sep 2033
US 9,217,034In force
Dec 2033
Dec 2033
US 9,834,606Lapsed on the fee record
Dec 2025
Dec 2025
US 9,988,450Lapsed on the fee record
Jun 2026
Jun 2026
US 10,519,235In force
Sep 2033
Sep 2033
US 11,673,951this patent
Sep 2033
Sep 2033
US 11,186,637Lapsed on the fee record
Nov 2025
Nov 2025
Application 17/513,217Abandoned
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.
RecordedAssignorAssigneeConveyance
Nov 19, 2020
Reel 54423, frame 351
Li, Kang; Zhang, Tong; Song, Jing; Xu, Lanlan; Liu, Qi; Peng, HaoBeiGene, Ltd.Assignment of Assignor's Interest
Nov 19, 2020
Reel 54423, frame 366
BeiGene, Ltd.BeiGene Switzerland GmbHAssignment of Assignor's Interest
Nov 4, 2021
Reel 58267, frame 358
BeiGene Switzerland GmbHBeiGene Switzerland GmbHChange of Assignee Address
Sep 23, 2025
Reel 72872, frame 76
BeiGene Switzerland GmbHBeone Medicines I GmbHChange 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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