The Patent Finder
US

Bispecific T Cell Activating Antigen Binding Molecules

US 9,914,776 In force
OverviewFamilyAssignmentsSources & methods

Term ends Sep 1, 2035 · High confidence

Filed Aug 3, 2015 as application 14/816,252 · Granted Mar 13, 2018
Base term plus 29 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2015 2035
Clock starts
Aug 3, 2015
Term ends
Sep 1, 2035
Granted
Mar 13, 2018
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
29
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
12
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 29 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are 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 Aug 3, 2015, when this application, 14/816,252, was filedAug 3, 2035High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+29 days, USPTO patent term adjustment recordSep 1, 2035High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderSep 1, 2035High confidence

This family

US 9,914,776this patent
Sep 2035
Sep 2035
US 10,611,840In force
Aug 2035
Aug 2035
US 10,611,841In force
Aug 2035
Aug 2035
US 11,117,965In force
no later than Aug 2035
no later than Aug 2035
Application 17/400,998Abandoned
not computed
not computed
Application 17/711,489Abandoned
not computed
not computed
Application 18/046,365Abandoned
not computed
not computed
Application 18/348,060Abandoned
not computed
not computed
8 of 12 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
May 2, 2017
Reel 42211, frame 43
Imhof-jung, Sabine; Molhoj, Michael; Klostermann, Stefan; Regula, Joerg Thomas; Schaefer, WolfgangRoche Diagnostics GmbHAssignment of Assignor's Interest
May 2, 2017
Reel 42211, frame 54
Roche Diagnostics GmbHF. Hoffmann-La Roche AGAssignment of Assignor's Interest
May 2, 2017
Reel 42211, frame 61
Ast, Oliver; Bacac, Marina; Jaeger, Christiane; Klein, Christian; Umana, PabloRoche Glycart AGAssignment of Assignor's Interest
May 2, 2017
Reel 42211, frame 69
Roche Glycart AGF. Hoffmann-La Roche AGAssignment of Assignor's Interest
May 2, 2017
Reel 42211, frame 97
F. Hoffmann-La Roche AGHoffmann-La Roche 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