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US

Polypeptides Useful for Gene Editing and Methods of Use

US 12,655,426 In force
OverviewFamilyAssignmentsSources & methods

Also listed on Lifeedit, Inc., an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Jul 14, 2042 · High confidence

Filed Jun 25, 2021 as application 17/418,498 · Granted Jun 16, 2026
Base term plus 937 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2019 2042
Clock starts
Dec 20, 2019
Term ends
Jul 14, 2042
Granted
Jun 16, 2026
base term patent term adjustment 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
937
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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 937 days past its 20-year base term on prosecution delay. 0 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 Dec 20, 2019, when application PCT/US2019/068079, the earliest non-provisional in its chain, was filed (this one was filed Jun 25, 2021)Dec 20, 2039High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+937 days, USPTO patent term adjustment recordJul 14, 2042High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJul 14, 2042High confidence

This family

Application PCT/US2019/068079PCT application
no patent term
no patent term
US 12,655,426this patent
Jul 2042
Jul 2042
US 12,188,018In force
Dec 2039
Dec 2039
Application 18/826,746Pending
not computed
not computed
Application 18/960,883Pending
not computed
not computed
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
Mar 17, 2022
Reel 59298, frame 647
Lifeedit Inc.Lifeedit, LLCAssignment of Assignor's Interest
Mar 17, 2022
Reel 59298, frame 695
Lifeedit, LLCAgbiome, LLCAssignment of Assignor's Interest
Mar 17, 2022
Reel 59298, frame 760
Agbiome, LLCAgbiome, Inc.Assignment of Assignor's Interest
Mar 17, 2022
Reel 59298, frame 811
Agbiome, Inc.Lifeedit Therapeutics, Inc.Assignment of Assignor's Interest
Jun 6, 2025
Reel 71527, frame 520
Lifeedit Therapeutics, Inc.Life Edit Therapeutics, Inc.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.

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