The Patent Finder
US

Caninized Antibodies

US 11,248,047 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jul 28, 2035 · High confidence

Filed Sep 13, 2018 as application 16/130,578 · Granted Feb 15, 2022
Base term plus 221 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2014 2035
Clock starts
Dec 19, 2014
Term ends
Jul 28, 2035
Granted
Feb 15, 2022
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
221
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,550,194, to Jul 28, 2035. 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 runs 221 days past its 20-year base term on 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: 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 Dec 19, 2014, when application PCT/EP2014/078653, the earliest non-provisional in its chain, was filed (this one was filed Sep 13, 2018)Dec 19, 2034High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+221 days, USPTO patent term adjustment recordJul 28, 2035High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 10,550,194)resolves to Jul 28, 2035, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJul 28, 2035High confidence

This family

US 10,106,607In force
Dec 2034
Dec 2034
US 11,248,047this patent
Jul 2035
Jul 2035
US 12,252,536In force
Jan 2036
Jan 2036
Application 19/051,538Pending
not computed
not computed
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.
RecordedAssignorAssigneeConveyance
Dec 15, 2021
Reel 58401, frame 478
Morsey, Mohamad; Zhang, Yuanzheng; Tarpey, IanIntervet Inc.Assignment of Assignor's Interest
Sep 26, 2023
Reel 65028, frame 818
Intervet Inc.Intervet Inc.Change of Address

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