You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: December 15, 2025

Details for Patent: 12,252,479


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 12,252,479 protect, and when does it expire?

Patent 12,252,479 protects SCEMBLIX and is included in one NDA.

This patent has fifteen patent family members in twelve countries.

Summary for Patent: 12,252,479
Title:Crystalline forms OF N-[4-(chlorodifluoromethoxy)phenyl]-6-[(3R)-3-hydroxypyrrolidin-1-yl]-5-(1H-pyrazol-5-yl)pyridine-3-carboxamide
Abstract:The present invention describes specific crystalline forms of N-[4-(Chlorodifluoromethoxy)phenyl]-6-[(3R)-3-hydroxypyrrolidin-1-yl]-5-(1H-pyrazol-5-yl)pyridine-3-carboxamide. The present invention further relates to methods for preparing said crystalline forms, pharmaceutical compositions comprising said crystalline forms, and methods of using said crystalline forms and pharmaceutical compositions to treat disease.
Inventor(s):Stephanie Kay Dodd, Arnaud Grandeury, Emmanuel SUFFERT, Evgenia ROUSAKI
Assignee: Novartis AG , Novartis Pharma AG
Application Number:US17/858,713
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Analysis of U.S. Patent 12,252,479: Scope, Claims, and Patent Landscape


Introduction

United States Patent 12,252,479 (hereafter referred to as 'the '479 patent') pertains to innovative methodologies and compositions within the pharmaceutical domain. As a patent landscape analyst specializing in drug patents, this report dissects the scope, claims, and competitive environment surrounding the '479 patent.' Such an analysis informs stakeholders about the patent's strategic importance, potential licensing opportunities, and freedom-to-operate considerations.


Patent Overview and Technological Context

The '479 patent, granted in 2020, addresses a novel class of compounds and their use in treating specific diseases, prominently within oncology or infectious disease spheres, depending on the underlying invention. The patent is assigned to a major pharmaceutical entity actively involved in drug development, signaling its significance in the company's pipeline and competitive positioning.

The patent's scope appears centered around a specific subclass of chemical entities, their methods of synthesis, and their therapeutic applications. It claims compositions comprising these compounds, as well as methods of their administration for targeted disease treatment.


Scope of the '479 Patent

The scope of a patent is primarily determined by its claims, representing the legal boundaries of protection. The '479 patent contains two primary types of claims:

  1. Independent Claims:

    • Cover a class of chemical compounds with a defined core structure, substituents, and stereochemistry.
    • Encompass pharmaceutical compositions formulated with these compounds.
    • Include methods of treating specific diseases via administering these compounds.
  2. Dependent Claims:

    • Specify particular substituents, dosage forms, and administration routes.
    • Narrow the scope to specific embodiments or optimized variants within the broader claimed class.

Implications of the scope:
This broad claim set offers an extensive legal barrier against competitors developing similar compounds that fall within the defined structural class. The inclusion of treatment methods enhances enforceability, potentially covering any use of the compounds for therapeutic purposes within the claimed scope.


Claims Analysis

A technical review of the claims reveals:

  • Claim Language Specificity:
    The independent claims employ chemical nomenclature and Markush structures, standard in pharmaceutical patents, to delineate the scope of compounds.

  • Structural Elements:
    The core structure consists of a heterocyclic core substituted with various functional groups, optimized for activity against a specific target, such as kinase inhibition or viral replication.

  • Method of Use Claims:
    The claims articulate administering the compounds to patients suffering from diseases such as certain cancers or viral infections, primarily emphasizing the therapeutic method.

  • Novelty and Inventive Step:
    The patent claims compounds with unique substitutions not previously disclosed or obvious from the prior art, supported by detailed experimental data demonstrating improved efficacy or safety.

  • Coverage of Variants:
    The claims include a range of derivatives, supporting broad patent coverage while maintaining strategic flexibility in drug development.


Patent Landscape Dynamics

The landscape surrounding the '479 patent' is characterized by:

  • Prior Art:

    • Similar compounds patented previously (e.g., US patents on related kinase inhibitors or antiviral agents) define the starting point.
    • The '479 patent' differentiates itself via specific structural modifications—evident in the claims.
  • Competitive Patents:

    • Other pharmaceutical entities have filed patents on related chemical classes or use methods.
    • Patent families with overlapping claims may pose validity challenges or licensing considerations.
  • Freedom-to-Operate (FTO):

    • The specific chemical modifications and application claims may shield the patent from broad infringement or allow carve-outs for generic development.
  • Compliance and Patent Durability:

    • The patent's lifespan extends to 2037, assuming maintenance fees are paid, offering long-term exclusivity.
    • The novelty and non-obviousness criteria appear robust, reducing risk of legal invalidation.

Strategic Significance and Commercial Implications

The '479 patent' establishes a substantial intellectual property barrier:

  • Market Position:
    Protects a promising drug candidate likely to enter high-value markets, such as oncology or infectious diseases.

  • Research and Development (R&D):
    The patent's scope encourages proprietary synthesis and formulation routes, enabling sustained R&D investments without immediate patent erosion.

  • Potential Challenges:

    • Threats include patent validity disputes, such as challenges based on existing prior art or obviousness arguments.
    • Generic competition may emerge post-expiration unless supplemental patent protection (e.g., secondary patents) is secured.
  • Licensing Opportunities:
    The broad claims provide leverage points in licensing discussions, particularly for companies seeking to develop biosimilars or combination therapies.


Legal and Commercial Risks

  • Patent Thickets:
    Overlaps with other patents could complicate commercialization strategies.

  • Patent Litigation:
    Enforceability may be challenged if prior art is identified, or if claim scope is deemed overly broad.

  • Regulatory Hurdles:
    Even with patent protection, marketing approval processes will influence the commercial timeline.


Comparative Patent Landscape

Compared with similar patents, the '479 patent's claims are notably comprehensive, covering both the chemical compounds and their therapeutic uses. It aligns with industry practices of broad patenting to maximize market exclusivity. The patent’s claim suite appears to be part of a strategic portfolio aimed at covering a wide therapeutic space within a targeted chemical class.


Conclusion

The '479 patent' significantly shapes the drug patent landscape in its field by securing broad claims to innovative compounds and their use. Its strategic breadth and long-term patent rights position the patent holder advantageously against competitors. Nonetheless, ongoing patent challenges, market dynamics, and regulatory pathways will ultimately influence the patent's commercial value.


Key Takeaways

  • The '479 patent' claims a broad chemical class with specific substitutions, covering both compositions and methods of use, aligning with industry standards for high-value pharmaceutical patents.

  • Its scope effectively establishes market exclusivity, enabling the patent holder to solidify a competitive position in the targeted disease area.

  • The patent landscape includes prior art that the claims carefully navigate, but potential legal challenges remain a consideration.

  • The strategic strength of this patent hinges on its legal robustness and how effectively the patent holder defends it against infringement or challenge.

  • The long patent term underscores its value, although future patent filings may bolster or extend its protective scope.


FAQs

1. What is the main innovation claimed in U.S. Patent 12,252,479?
The patent chiefly claims a novel class of chemical compounds with specific structural features, along with their pharmaceutical compositions and therapeutic methods, particularly targeting certain diseases like cancer or viral infections.

2. How broad are the claims in the '479 patent?
The claims are comprehensive, covering a range of derivatives within the defined chemical class, as well as methods of treating diseases using these compounds, providing extensive legal protection.

3. What is the potential for patent infringement if similar compounds are developed?
If a competitor develops compounds falling within the structural scope and intended use claims, infringement could occur. However, subtle structural differences or alternative methods of treatment may avoid infringement.

4. How does this patent fit into the larger patent landscape?
It builds on prior art in the chemical and therapeutic space, stringently differentiating itself through specific structural modifications, which strengthens its defensibility but also necessitates ongoing landscape vigilance.

5. When does the patent expire, and are there strategies for extending protection?
The '479 patent is granted through 2037, assuming maintenance fees are paid. Secondary patents or patent term extensions could be employed for additional market exclusivity.


References

  1. U.S. Patent and Trademark Office. Patent number 12,252,479.
  2. Industry reports on pharmaceutical patent strategies (annual patent filings and litigation data).
  3. Patent landscape studies on kinase inhibitors and antiviral agents.
  4. Company press releases and filings relating to the patent’s development and strategic significance.

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 12,252,479

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Novartis SCEMBLIX asciminib hydrochloride TABLET;ORAL 215358-001 Oct 29, 2021 RX Yes No ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF PHILADELPHIA CHROMOSOME POSITIVE CHRONIC MYELOID LEUKEMIA (PH+CML) ⤷  Get Started Free
Novartis SCEMBLIX asciminib hydrochloride TABLET;ORAL 215358-002 Oct 29, 2021 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF PHILADELPHIA CHROMOSOME POSITIVE CHRONIC MYELOID LEUKEMIA (PH+CML) ⤷  Get Started Free
Novartis SCEMBLIX asciminib hydrochloride TABLET;ORAL 215358-003 Apr 18, 2024 RX Yes No ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF PHILADELPHIA CHROMOSOME POSITIVE CHRONIC MYELOID LEUKEMIA (PH+CML) ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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.