The Patent Finder
US

Methods of Treating Cancer Using Antibodies and Molecules That Bind to BTN1A1 or BTN1A1-LIGANDS

US 11,542,331 In force
OverviewFamilyAssignmentsSources & methods

Term ends Sep 2, 2038 · High confidence

Filed Dec 2, 2019 as application 16/618,764 · Granted Jan 3, 2023
Base term plus 89 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2018 2038
Clock starts
Jun 5, 2018
Term ends
Sep 2, 2038
Granted
Jan 3, 2023
base term patent term adjustment 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
89
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
28
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 89 days past its 20-year base term on 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Jun 5, 2018, when application PCT/US2018/036026, the earliest non-provisional in its chain, was filed (this one was filed Dec 2, 2019)Jun 5, 2038High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+89 days, USPTO patent term adjustment recordSep 2, 2038High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderSep 2, 2038High confidence

This family

Application 19/615,488Pending
not computed
not computed
Application 62/165,784Provisional application
no patent term
no patent term
Application 62/262,293Pending
not computed
not computed
Application 62/262,309Provisional application
no patent term
no patent term
Application PCT/US2016/033651PCT application
no patent term
no patent term
Application PCT/US2016/064436PCT application
no patent term
no patent term
Application 62/513,393Provisional application
no patent term
no patent term
Application 62/513,389Provisional application
no patent term
no patent term
8 of 28 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
Dec 23, 2021
Reel 58474, frame 802
Yoo, Stephen Sunghan; Chung, Ezra Myung Chul; Bong, Yong-sik; Kim, Yong-sooStcube & Co., Inc.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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited