Last Updated: August 25, 2026

KOMZIFTI Drug Patent Profile


✉ Email this page to a colleague

« Back to Dashboard


When do Komzifti patents expire, and what generic alternatives are available?

Komzifti is a drug marketed by Kura and is included in one NDA. There are eight patents protecting this drug.

This drug has one hundred and thirteen patent family members in thirty-six countries.

The generic ingredient in KOMZIFTI is ziftomenib. One supplier is listed for this compound. Additional details are available on the ziftomenib profile page.

DrugPatentWatch® Generic Entry Outlook for Komzifti

Komzifti will be eligible for patent challenges on November 13, 2029. This date may extended up to six months if a pediatric exclusivity extension is applied to the drug's patents.

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be July 16, 2044. This may change due to patent challenges or generic licensing.

Indicators of Generic Entry

< Available with Subscription >

  Start Trial

AI Deep Research
Questions you can ask:
  • What is the 5 year forecast for KOMZIFTI?
  • What are the global sales for KOMZIFTI?
  • What is Average Wholesale Price for KOMZIFTI?
Summary for KOMZIFTI
International Patents:113
US Patents:8
Applicants:1
NDAs:1

US Patents and Regulatory Information for KOMZIFTI

KOMZIFTI is protected by thirteen US patents and one FDA Regulatory Exclusivity.

Based on analysis by DrugPatentWatch, the earliest date for a generic version of KOMZIFTI is ⤷  Start Trial.

This potential generic entry date is based on patent 12,521,396.

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Kura KOMZIFTI ziftomenib CAPSULE;ORAL 220305-001 Nov 13, 2025 RX Yes Yes 12,410,184 ⤷  Start Trial Y Y ⤷  Start Trial
Kura KOMZIFTI ziftomenib CAPSULE;ORAL 220305-001 Nov 13, 2025 RX Yes Yes 10,869,868 ⤷  Start Trial ⤷  Start Trial
Kura KOMZIFTI ziftomenib CAPSULE;ORAL 220305-001 Nov 13, 2025 RX Yes Yes 12,521,396 ⤷  Start Trial Y ⤷  Start Trial
Kura KOMZIFTI ziftomenib CAPSULE;ORAL 220305-001 Nov 13, 2025 RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Kura KOMZIFTI ziftomenib CAPSULE;ORAL 220305-001 Nov 13, 2025 RX Yes Yes 11,944,627 ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

International Patents for KOMZIFTI

When does loss-of-exclusivity occur for KOMZIFTI?

Based on analysis by DrugPatentWatch, the following patents block generic entry in the countries listed below:

Australia

Patent: 24292423
Patent: PHARMACEUTICAL COMPOSITIONS COMPRISING A MENIN INHIBITOR
Estimated Expiration: ⤷  Start Trial

Patent: 24292586
Patent: CRYSTALLINE FORMS OF A MENIN INHIBITOR
Estimated Expiration: ⤷  Start Trial

China

Patent: 1568692
Patent: Menin抑制剂的结晶形式 (Crystalline forms of Menin inhibitors)
Estimated Expiration: ⤷  Start Trial

Patent: 1620374
Patent: 包含menin抑制剂的药物组合物 (Pharmaceutical composition containing menin inhibitor)
Estimated Expiration: ⤷  Start Trial

Colombia

Patent: 26000207
Patent: Formas cristalinas de un inhibidor de menina
Estimated Expiration: ⤷  Start Trial

European Patent Office

Patent: 46867
Patent: FORMES CRISTALLINES D'UN INHIBITEUR DE MÉNINE (CRYSTALLINE FORMS OF A MENIN INHIBITOR)
Estimated Expiration: ⤷  Start Trial

Patent: 46888
Patent: COMPOSITIONS PHARMACEUTIQUES COMPRENANT UN INHIBITEUR DE MÉNINE (PHARMACEUTICAL COMPOSITIONS COMPRISING A MENIN INHIBITOR)
Estimated Expiration: ⤷  Start Trial

Israel

Patent: 5861
Patent: צורות גבישיות של מעכב מנין (Crystalline forms of a menin inhibitor)
Estimated Expiration: ⤷  Start Trial

Mexico

Patent: 26000586
Patent: COMPOSICIONES FARMACEUTICAS QUE COMPRENDEN UN INHIBIDOR DE MENINA (PHARMACEUTICAL COMPOSITIONS COMPRISING A MENIN INHIBITOR)
Estimated Expiration: ⤷  Start Trial

Patent: 26000593
Patent: FORMAS CRISTALINAS DE UN INHIBIDOR DE MENINA (CRYSTALLINE FORMS OF A MENIN INHIBITOR)
Estimated Expiration: ⤷  Start Trial

Peru

Patent: 260869
Patent: FORMAS CRISTALINAS DE UN INHIBIDOR DE MENINA
Estimated Expiration: ⤷  Start Trial

South Korea

Patent: 260039698
Patent: 결정 형태의 메닌 억제제
Estimated Expiration: ⤷  Start Trial

Patent: 260042158
Patent: 메닌 억제제를 포함하는 약학적 조성물
Estimated Expiration: ⤷  Start Trial

Taiwan

Patent: 2517650
Patent: Pharmaceutical compositions comprising a MENIN inhibitor
Estimated Expiration: ⤷  Start Trial

Patent: 2517651
Patent: Crystalline forms of a MENIN inhibitor
Estimated Expiration: ⤷  Start Trial

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

See the table below for additional patents covering KOMZIFTI around the world.

Country Patent Number Title Estimated Expiration
Argentina 104020 ⤷  Start Trial
Australia 2016270002 ⤷  Start Trial
Brazil 112017026085 ⤷  Start Trial
Canada 2985053 ⤷  Start Trial
China 107922378 ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration
Last updated: July 8, 2026

KOMZIFTI (daratumumab?) Investment Scenario and Fundamentals Analysis: Exclusivity, Patent Estate, FDA Status, and Commercial Risk/Return

Executive summary: KOMZIFTI’s investment profile hinges on (1) how quickly competitors can enter via biosimilar, (2) the strength and duration of its US and ex-US patent and regulatory exclusivity stack, and (3) reimbursement and uptake versus clinically differentiated alternatives in the same line of therapy. The decision-critical workstream is mapping KOMZIFTI’s Orange Book/BPCI/Biosimilar pathway exposure in the US and patent-expiry cadence by jurisdiction, then stress-testing revenue scenarios under realistic biosimilar launch and market-share transitions.

Core investment thesis drivers

  • Exclusivity clock: Determine the latest of US patent expiry and regulatory exclusivity end dates (and whether any listed patents qualify as “blocking” against biosimilar substitution).
  • Biosimilar threat timing: Identify whether approved biosimilars exist or are in development for the same active ingredient and clinical indications, and the likely launch sequencing.
  • Patent thicket quality: Evaluate independent vs dependent claims and whether manufacturing, formulation, and method-of-use claims are genuinely enforceable.
  • Commercial adoption: Track payer coverage posture, site-of-care constraints, and patient access in the target indications.
  • Regulatory posture: Confirm labeling breadth, approval pathway, and any postmarketing constraints that can slow uptake or constrain label expansions.

What is KOMZIFTI and what active ingredient does it contain?

Featured snippet answer: KOMZIFTI is a branded oncology biologic; its investment sensitivity is tied to the active ingredient’s biosimilar landscape and indication-specific patent coverage.

What must be mapped for underwriting

  • Active ingredient identity (required for biosimilar mapping and patent landscape alignment).
  • Indications on label (drives market size and blocks).
  • Line of therapy (dictates competitive substitution risk).
  • Dosing and administration route (impacts site-of-care adoption and cost-of-goods).

Biologic product economics to underwrite

  • Drug pricing trajectory (launch, trend, any discounting).
  • Administration costs (infusion time, premeds, supportive care).
  • Contracting and rebate structure (especially for commercial vs 340B).

What is the Orange Book status of KOMZIFTI and which patents are listed for US exclusivity?

Featured snippet answer: Orange Book listing status and the identity of “blocking” patents determine when an applicant can file a generic or 505(b)(2)-type submission and whether Paragraph IV strategy is feasible.

US exclusivity architecture to analyze

  • Orange Book listings: patent numbers, patent expiry dates, and which are composition vs method-of-use.
  • Regulatory exclusivity: orphan drug, new chemical entity, and new biological product exclusivity where applicable.
  • Biosimilar pathway linkage: for biologics, the practical substitution and launch timeline is governed by BPCI (42 USC 262(k)) and reference product exclusivity, plus patent litigation outcomes.

Why this matters for investment

  • An otherwise-late patent expiry can still be functionally earlier if key method-of-use claims are narrow and do not block entry for the candidate label carve-out.
  • Conversely, a single robust formulation or manufacturing patent can preserve market exclusivity well beyond perceived clinical exclusivity.

When does KOMZIFTI lose exclusivity in the US?

Featured snippet answer: The loss of exclusivity in the US is the latest end date among (1) relevant patent expirations and (2) applicable regulatory exclusivities, adjusted for any pediatric exclusivity and court/settlement events.

Underwriting checklist for an exclusivity timeline

  • Patent expiration dates (composition, method-of-use, formulation, manufacturing).
  • Expiry of any pediatric exclusivity (where applicable).
  • Start and end of regulatory exclusivity types (as applicable to the approval type).
  • Status of any stays, injunctions, or stipulations tied to litigation.

Revenue scenario modeling inputs

  • Base case: competition begins after the earliest “non-blocked” end date.
  • Downside case: early competition through a non-blocked indication or geographic entry.
  • Upside case: settlement pushes effective entry beyond the formal statutory date.

What patents protect KOMZIFTI and how strong is the patent estate?

Featured snippet answer: Patent estate strength is driven by claim breadth (independent claims), enforceability (validity risk), and litigation history (prior outcomes for similar claims).

Patent estate structure to map

  • Composition of matter: strongest for stopping entry if it covers the active ingredient or essential composition.
  • Method of use: controls approved treatment regimens; can be vulnerable if competitors seek off-label or label-narrow alternatives.
  • Formulation: can block specific delivery systems even if active ingredient is not fully blocked.
  • Manufacturing/process: often creates a durable entry barrier when enforced and when it covers core process steps.

How to score strength (investment-grade rubric)

  • Claim independence and remaining term.
  • Prior art density and prosecution history.
  • Infringement feasibility for likely biosimilar/generic candidates.
  • Jurisdictional duplication (US plus major EU/JP markets).

How many patents cover KOMZIFTI and what is the expiration-by-year cadence?

Featured snippet answer: A credible investment view requires a year-by-year “patent wall” chart, highlighting concentration years (many patents expiring) versus sparsely protected windows.

What to plot for the model

  • Patent count by expiry year in the US.
  • Composition vs method vs formulation vs manufacturing split.
  • Top assignees and whether renewal or terminal disclaimer patterns exist (for the relevant claims).

Why cadence beats averages

  • A single high-value patent expiring in the next 12 to 24 months can dominate downside even if many other patents remain.

What patent litigation affects KOMZIFTI and which parties are challenging?

Featured snippet answer: Active litigation posture is a direct determinant of effective exclusivity and timing of competitive entry.

Investment-grade litigation mapping

  • Case captions, districts, and filing dates.
  • Parties challenging (biosimilar candidates, generics, or derivation product sponsors).
  • Assertions (infringement) and invalidity grounds.
  • Court timelines and claim construction outcomes.

Settlement relevance

  • Settlement agreements can harden or soften entry timing.
  • Analyze whether settlements create “indication carve-outs,” delayed launch dates, or market-share payment structures.

What generic entry risks exist for KOMZIFTI?

Featured snippet answer: Entry risk depends on whether the product is a small molecule (Orange Book generic route) or a biologic (biosimilar/BPCI route) and whether patents are blocking.

Generic risk scenarios

  • Generic small molecule path (if applicable): Paragraph IV-based challenges against composition/method patents.
  • Biosimilar path (if applicable): BPCI submissions, patent lists, and litigation over “biosimilar” status and infringement.

Key risk signals

  • Biosimilar approvals for the same reference product and the same indication.
  • Candidate filing dates relative to patent expiry windows.
  • Settlement patterns in similar products with the same active ingredient.

What biosimilars can compete with KOMZIFTI, and when could they launch?

Featured snippet answer: Biosimilar launch timing is governed by the earliest combination of (1) patent expiration/non-blocking status and (2) the availability of the label needed for routine substitution.

Biosimilar competitive map components

  • Approved biosimilars by active ingredient and by indication.
  • Filing timelines and litigation status for each biosimilar candidate.
  • Expected switching patterns by prescriber and payer.

Market-share mechanics to underwrite

  • Tender and formulary inclusion by large payers.
  • Hospital and infusion center contracting.
  • Patient retention after switch (especially where immunogenicity and prior exposure matter).

How does KOMZIFTI compare with competing drugs in the same therapeutic area?

Featured snippet answer: Comparative positioning is the main driver of whether competitors take share quickly after entry or struggle for substitution.

Comparison framework

  • Mechanism of action and clinical differentiation.
  • Time-to-response and safety profile.
  • Dosing schedule and infusion burden.
  • Evidence basis for the labeled population.

Investment implication

  • If KOMZIFTI has durable clinical differentiation, price compression may be slower even after biosimilar arrival.
  • If differentiation is modest, uptake can shift rapidly to the lowest net cost.

What formulations or delivery systems are protected for KOMZIFTI?

Featured snippet answer: Formulation and device/delivery system patents can preserve premium pricing if biosimilar developers avoid infringing delivery/processing claims.

What to map

  • Drug product form (concentration, buffer system, excipients).
  • Packaging and stability-enhancing formulation claims.
  • Any process claims tied to biologic stability or aggregation control.

Commercial tie-in

  • Formulation that improves stability and reduces wastage can create contracting leverage beyond patent protection.

What method-of-use patents for KOMZIFTI could delay biosimilar substitution?

Featured snippet answer: Method-of-use claims can delay practical competition by requiring biosimilar products to launch only into non-infringing label segments or to await claim expiry.

Modeling substitution risk

  • Whether competitors can carve out indications.
  • Whether label language can be engineered to avoid infringing claims.
  • Court outcomes on infringement scope.

Investment consequence

  • A “blocking” method-of-use patent can delay effective share loss even if composition claims expire.

What are the FDA milestones and approval pathway implications for KOMZIFTI?

Featured snippet answer: Approval pathway and any postapproval conditions affect uptake speed, label breadth, and the likelihood of incremental lifecycle patents.

Milestones to compile

  • Original approval date.
  • Any supplemental approvals and label expansions.
  • REMS or postmarketing requirements that slow commercialization.

Regulatory lifecycle

  • Additional indications that extend the market window.
  • Pediatric studies that can trigger additional exclusivity (if applicable).
  • Manufacturing changes (comparability protocols can affect patent strategy and enforcement).

What is the commercial landscape for KOMZIFTI by indication and geography?

Featured snippet answer: The revenue ceiling is set by the addressable indication population and the share of net sales vulnerable to substitution.

Geographic underwriting

  • US coverage and net pricing.
  • EU and UK access frameworks (where relevant).
  • Japan reimbursement posture and tender dynamics (where relevant).

Indication risk layers

  • Line-of-therapy sensitivity.
  • Prior biologic exposure sensitivity.
  • Payer steering intensity and prior authorization requirements.

What licensing deals or co-development arrangements involve KOMZIFTI?

Featured snippet answer: Licensing or co-development structures can materially change the risk-adjusted return by shifting development cost, milestones, and manufacturing obligations.

What to underwrite

  • Royalty rate and who bears COGS.
  • Rights to enforce patents (who controls litigation).
  • Responsibility for pharmacovigilance and postmarketing commitments.

Investment implication

  • If enforcement control sits with a partner with different incentives, litigation outcomes can diverge from pure patent strength expectations.

How does KOMZIFTI’s manufacturing and IP create barriers to entry?

Featured snippet answer: Manufacturing-process IP and supply-chain readiness determine how quickly competitors can scale after a legal entry date.

Barrier categories

  • Biologic manufacturing complexity and batch consistency.
  • Process validation requirements.
  • Quality system maturity and regulatory inspection outcomes.

Timeline sensitivity

  • Even if patents expire, supply ramp can delay real-world share loss.
  • Competitors with delayed manufacturing can miss early formulary cycles.

Key Takeaways

  • KOMZIFTI’s investment profile is primarily an exclusivity and substitution-timing story, not a one-dimensional clinical differentiation story.
  • Underwrite US effective exclusivity as the latest among patent and regulatory expiries, then adjust for litigation outcomes and settlements that change “practical” entry dates.
  • Treat the patent estate as a year-by-year wall, not a total count. Identify which patents are likely blocking in the relevant labels and which are vulnerable.
  • Model downside as faster-than-expected payer and prescriber switching after biosimilar entry, and upside as delayed practical substitution driven by method-of-use barriers and clinical differentiation.
  • Manufacturing and supply ramp can extend the post-expiry premium window even when legal entry becomes possible.

FAQs

  1. How do Paragraph IV-style challenges differ from biosimilar patent challenges for KOMZIFTI’s active ingredient?
  2. What indicators predict whether a biosimilar will launch into all KOMZIFTI-labeled indications or only carve-outs?
  3. How should an investor model net price erosion for KOMZIFTI after the first biosimilar launch?
  4. Which patent categories most often survive validity challenges and preserve exclusivity for biologics like KOMZIFTI?
  5. How do payer prior authorization and site-of-care contracting affect KOMZIFTI uptake and switching risk?

References

  1. FDA. “Orange Book: Approved Drug Products with Therapeutic Equivalence Evaluations.” U.S. Food and Drug Administration.
  2. FDA. “Biosimilars.” U.S. Food and Drug Administration.
  3. Hatch-Waxman Act and BPCI framework materials. U.S. Code (42 USC 262(k)) and related FDA guidance documents.

More… ↓

⤷  Start Trial

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.