Immunitybio, Inc.

90 patents currently held · Updated Nov 14, 2026

27 more in force are now held by other companies

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded as renamed to Nantcell, Inc. (2021)

Previously recorded as Nantkwest, Inc. (to 2021)

Ending by 2030

Oct 2034

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.

1 fee due Dec 13, 2026
The maintenance fee for Methods of Treating Aging-Related Disorders (US 11,672,826) comes due Dec 13, 2026. Unpaid by Jun 14, 2027, it lapses early.
3 fees due Feb 15 to 28, 2027 · next Feb 15
1 fee due Mar 12, 2027
The maintenance fee for MODIFIED NK-92 haNK003 CELLS FOR THE CLINIC (US 11,753,625) comes due Mar 12, 2027. Unpaid by Sep 13, 2027, it lapses early.
2 fees due Apr 17 to 29, 2027 · next Apr 17
2 fees due May 14 to 21, 2027 · next May 14
1 fee due Jun 30, 2027
The maintenance fee for Tumoricidal and Antimicrobial Compositions and Methods (US 10,517,895) comes due Jun 30, 2027. Unpaid by Jan 3, 2028, it lapses early.
3 fees due Jul 2 to 30, 2027 · next Jul 2
1 fee due Aug 27, 2027
The maintenance fee for Nant COVID Vaccine Cross Reactivity (US 11,911,459) comes due Aug 27, 2027. Unpaid by Feb 28, 2028, it lapses early.
1 fee due Sep 19, 2027
The maintenance fee for Generating Cik NKT Cells from Cord Blood (US 11,931,382) comes due Sep 19, 2027. Unpaid by Mar 20, 2028, it lapses early.
2 fees due Nov 7 to 12, 2027 · next Nov 7

Which patents, and when each one lapses · Pro

Recent changes

4 of the patents on this record were granted since Aug 16, 2026

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.

Patent	Title	Status	Expires	Confidence
US 10,258,649	Tumoricidal and Antimicrobial Compositions and Methods In force Term ends Oct 28, 2034 · High confidence	In force	Term ends Oct 28, 2034	High confidence
US 10,517,895	Tumoricidal and Antimicrobial Compositions and Methods In force Ends no later than Oct 28, 2034 · Medium confidence	In force	Ends no later than Oct 28, 2034	Medium confidence
US 10,646,516	Tumoricidal and Antimicrobial Compositions and Methods In force Term ends Oct 28, 2034 · High confidence	In force	Term ends Oct 28, 2034	High confidence
US 10,772,912	A Tumoricidal and Antimicrobial Composition In force Term ends Oct 28, 2034 · Medium confidence	In force	Term ends Oct 28, 2034	Medium confidence
US 11,213,547	Tumoricidal and Antimicrobial Compositions and Methods In force Term ends Oct 28, 2034 · High confidence	In force	Term ends Oct 28, 2034	High confidence
US 11,304,977	Tumoricidal and Antimicrobial Compositions and Methods In force Term ends Oct 28, 2034 · Medium confidence	In force	Term ends Oct 28, 2034	Medium confidence
US 11,975,027	Tumoricidal and Antimicrobial Compositions and Methods In force Ends no later than Oct 31, 2034 · Medium confidence	In force	Ends no later than Oct 31, 2034	Medium confidence
US 12,064,450	Tumoricidal and Antimicrobial Compositions and Methods In force Term ends Dec 7, 2034 · High confidence	In force	Term ends Dec 7, 2034	High confidence
US 10,456,420	Genetically Modified NK-92 Cells and Monoclonal Antibodies for the Treatment of Cancer In force Term ends Mar 25, 2036 · High confidence	In force	Term ends Mar 25, 2036	High confidence
US 10,774,310	MODIFIED NK-92 haNK003 CELLS FOR THE CLINIC In force Term ends Mar 25, 2036 · High confidence	In force	Term ends Mar 25, 2036	High confidence

10 of 90 patents shown.

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Pro members: see all 90 patents

Also on record, not counted in the 90: 27 patents in force now held by others · 2 ended at full term. List them

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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Published applications

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

41 pending · 7 abandoned · 6 no status recorded

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