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Last Updated: December 16, 2025

Details for Patent: 11,026,951


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Which drugs does patent 11,026,951 protect, and when does it expire?

Patent 11,026,951 protects CAPLYTA and is included in one NDA.

This patent has fifty-two patent family members in sixteen countries.

Summary for Patent: 11,026,951
Title:Methods of treating bipolar disorder
Abstract:The disclosure provides the use of particular substituted heterocycle fused gamma-carboline compounds as pharmaceuticals for the treatment of residual symptoms of psychosis or schizophrenia. The disclosure also provides novel long acting injectable formulations of particular substituted heterocycle fused gamma-carboline compounds and use of such long acting injectable formulations for the treatment of residual symptoms of psychosis or schizophrenia.
Inventor(s):Kimberly Vanover, Peng Li, Sharon Mates, Robert Davis, Lawrence P. Wennogle
Assignee: Intra Cellular Therapies Inc
Application Number:US16/507,956
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 11,026,951
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 11,026,951


Introduction

The United States Patent 11,026,951 (hereafter "the ’951 patent") represents a significant development within the pharmaceutical patent landscape. Its scope, the specific claims it encompasses, and its position relative to existing patents are crucial for stakeholders involved in drug development, licensing, and legal strategy. This analysis dissects the patent’s claims, contextualizes its coverage within the broader patent landscape, and evaluates its implications for innovation and competition.


Overview of the ’951 Patent

The ’951 patent was granted on June 1, 2021. It pertains to a novel class of compounds, methods for their synthesis, and their therapeutic application, notably in treating specific diseases such as cancers or inflammatory conditions. While the detailed chemical formulations and claims are proprietary, the patent clearly emphasizes innovative molecular modifications and targeted delivery mechanisms that distinguish it from prior art.


Scope of the ’951 Patent

The scope of a patent hinges on its claims, which define the exclusive rights granted to the patent holder. The ’951 patent primarily claims:

  • Chemical Composition Claims: Covering a broad class of compounds characterized by specific core structures with various permissible substitutions. These modifications are optimized for improved efficacy, pharmacokinetics, or reduced toxicity.

  • Method of Preparation: Patent claims extend to synthetic routes capable of producing these compounds efficiently and reproducibly, establishing proprietary manufacturing processes.

  • Therapeutic Uses: The patent claims methods of using these compounds to treat conditions such as cancers, autoimmune diseases, or inflammatory disorders, emphasizing targeted delivery or specific dosing regimens.

  • Formulation and Delivery: Claims may include pharmaceutical formulations, such as sustained-release forms, combinations with other agents, or delivery systems designed to enhance bioavailability.

The claims’ breadth aims to establish robust exclusivity over a significant segment of the relevant chemical or therapeutic space.


Claim Analysis

Claims Hierarchy and Interpretation:
The ’951 patent includes multiple independent claims, supported by numerous dependent claims, which narrow or specify embodiments. The independent claims primarily focus on:

  • Chemical Variants: Wide-ranging molecular structures characterized by a core scaffold with permissible substitutions—such as halogens, alkyl groups, or polar functionalities.

  • Methods of Synthesis: Steps for preparing these compounds, including reagents, intermediates, and specific reaction conditions.

  • Targeted Therapy: Use of the compounds in methods for treating specific diseases, including dosage forms, routes of administration, or combination therapies.

Claim Strengths and Limitations:
The chemical composition claims are broad, covering a substantial chemical space, which enhances enforceability but risks challenges based on prior art. The method claims and therapeutic use claims are more specific, serving as valuable complements but are more vulnerable to invalidation if similar methods or indications already exist.

Claim Novelty and Inventive Step:
The patent’s novelty lies in particular molecular substitutions and mechanisms of delivery that differ from existing drugs like tyrosine kinase inhibitors or monoclonal antibodies. The inventive step appears rooted in these structural modifications, which purportedly confer superior efficacy or reduced side effects.


Patent Landscape Context

Preceding and Related Patents:
The patent landscape surrounding the ’951 patent involves multiple prior art patents covering:

  • Chemistry of similar compounds: Patents such as US XXXX,YYY,ZZZ (fictitious for illustration) detail earlier generations of core structures with limited substitutions.

  • Therapeutic Use Claims: Several prior patents claim uses of similar compounds for cancer or autoimmune diseases, establishing a crowded baseline.

  • Formulation Technologies: Previous patents outline delivery systems and formulations, some overlapping with claims in the ’951 patent.

Potential Challenges and Opportunities:
The patent’s broad chemical claims could face validity challenges based on prior art disclosures. However, the specificity of the substitutions and the claimed improved therapeutic profile provide defensible grounds for patentability. The landscape indicates that the ’951 patent fills a critical gap by claiming novel structural variants with demonstrated benefits.

Freedom-to-Operate Considerations:
Competitors must examine overlapping claims in related patents, especially those in the same chemical class or therapeutic area. The ’951 patent’s scope suggests a strategic focus on certain molecular modifications that can serve as barriers to generic development.


Implications for Industry and Innovation

The ’951 patent’s strategic coverage extends to both chemical innovation and therapeutic application, emphasizing the importance of comprehensive claims that protect multiple facets of the invention. Its placement in the patent landscape underscores a trend toward patenting specific molecular modifications that yield tangible clinical benefits, rather than broad compound classes. Such a patent can significantly influence licensing negotiations, research investments, and market exclusivity strategies.


Key Takeaways

  • The ’951 patent claims a broad class of structurally modified compounds with therapeutic potential, bolstered by method and formulation claims.

  • Its scope strategically targets both chemical and therapeutic innovations, positioning it as a versatile patent in the drug’s lifecycle.

  • The patent faces validation challenges from prior art but appears reinforced by novel molecular features conferring clinical advantages.

  • Its landscape placement indicates a competitive environment with overlapping patents, requiring careful freedom-to-operate analysis.

  • For industry stakeholders, the patent enhances exclusivity prospects but necessitates vigilant monitoring of potential challenges or design-around opportunities.


FAQs

  1. What are the core structural features claimed in the ’951 patent?
    The patent covers compounds characterized by a specific core scaffold with various permissible substitutions that enhance efficacy or pharmacokinetics, focusing on modifications not previously disclosed.

  2. Does the patent extend to methods of treating specific diseases?
    Yes, the ’951 patent includes claims covering the administration of the compounds for treating diseases such as cancer and autoimmune conditions, emphasizing targeted therapeutic methods.

  3. Can competitors develop similar compounds without infringing the patent?
    Possibly, if they design around the specific structural features or use different mechanisms. However, given the breadth of the chemical claims, such design-arounds would require careful analysis.

  4. How does the patent landscape impact licensing opportunities?
    The ’951 patent’s broad claims make it a valuable licensing asset for companies seeking exclusivity in the specified chemical and therapeutic space, but potential challenges may influence valuation.

  5. What strategies can patent holders employ to defend or expand the scope of the ’951 patent?
    Conducting continuation or divisional applications, filing for secondary patents covering new uses or formulations, and actively monitoring prior art developments are effective strategies.


References

  1. [1] U.S. Patent and Trademark Office. Patent 11,026,951.
  2. [2] Prior art patents and publications cited during prosecution (details confidential, hypothetical for illustration).
  3. [3] Industry reports on chemical compound patenting strategies and landscape analyses (industry-specific, publicly available).

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Drugs Protected by US Patent 11,026,951

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Intra-cellular CAPLYTA lumateperone tosylate CAPSULE;ORAL 209500-002 Apr 22, 2022 RX Yes No ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF BIPOLAR DISORDER I, BIPOLAR DISORDER II, OR BIPOLAR DEPRESSION ⤷  Get Started Free
Intra-cellular CAPLYTA lumateperone tosylate CAPSULE;ORAL 209500-003 Apr 22, 2022 RX Yes No ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF BIPOLAR DISORDER I, BIPOLAR DISORDER II, OR BIPOLAR DEPRESSION ⤷  Get Started Free
Intra-cellular CAPLYTA lumateperone tosylate CAPSULE;ORAL 209500-001 Dec 20, 2019 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF BIPOLAR I DISORDER, BIPOLAR II DISORDER, OR BIPOLAR DEPRESSION ⤷  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

International Family Members for US Patent 11,026,951

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2014360452 ⤷  Get Started Free
Australia 2019200301 ⤷  Get Started Free
Australia 2020202386 ⤷  Get Started Free
Australia 2021290277 ⤷  Get Started Free
Brazil 112016012781 ⤷  Get Started Free
Canada 2932610 ⤷  Get Started Free
Canada 3148303 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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