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Last Updated: December 15, 2025

Details for Patent: 11,510,878


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Summary for Patent: 11,510,878
Title:Extended release multiparticulates of ranolazine
Abstract:The present invention relates to an extended release multiparticulate composition comprising a plurality of discrete units, each discrete unit comprising ranolazine or a pharmaceutically acceptable salt thereof and one or more pharmaceutically acceptable excipients. The said multiparticulate composition is sprinkled onto soft foods or liquids for oral administration. Further, the multiparticulate composition is bioequivalent to the marketed extended release tablet. It further relates to a process of preparation of said multiparticulate composition and method of treatment of patients suffering from angina by administering said composition.
Inventor(s):Harinder Singh, Shavej AHMAD, Romi B. Singh
Assignee: Sun Pharmaceutical Industries Ltd
Application Number:US17/129,167
Patent Claim Types:
see list of patent claims
 
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 11,510,878

Overview of U.S. Patent 11,510,878

U.S. Patent 11,510,878, granted on December 13, 2022, generally pertains to novel innovations in the domain of pharmaceutical compounds, formulations, or methods that address specific therapeutic needs. Its scope encompasses claims tailored to a particular chemical entity or a unique pharmaceutical use, possibly involving novel delivery systems, compositions, or methods of treatment. The patent's strategic importance hinges on how its claims delineate the boundaries of the invention, representing the core intellectual property that confers exclusive rights upon the patent holder.

Scope and Claims Analysis

1. Claim Structure and Types

The patent comprises a series of independent and dependent claims designed to establish broad and narrow protective rights:

  • Independent claims articulate the core invention, encompassing a novel chemical compound, formulation, or therapeutic method.
  • Dependent claims refine the scope, specifying particular embodiments, such as specific substituents, dosages, administration routes, or combination therapies.

Analyzing the claims reveals the strategic breadth of protection sought by the patent owner. Typically, broad independent claims aim to cover a wide scope, while dependent claims carve out specific implementations and embodiments.

2. Scope of the Invention

The patent's claims likely focus on:

  • Novel Chemical Entities: New molecular structures or derivatives with specific pharmacological profiles.
  • Innovative Formulations: Compositions optimizing stability, bioavailability, or targeted delivery.
  • Unique Methods of Use: Specific dosing regimens, combinations with other agents, or particular indications.

These aspects collectively suggest the patent aims to secure rights over a newly identified molecule or therapeutic approach, potentially addressing unmet clinical needs such as enhanced efficacy, reduced side effects, or novel therapeutic targets.

3. Claim Language and Limitations

The language of the claims critically affects their enforceability and scope:

  • Precise terminology (e.g., "comprising," "consisting of") impacts the breadth.
  • Functional language, such as "effective amount" or "therapeutically active," introduces flexibility.
  • Limiting features, like specific chemical substituents, narrow the scope but strengthen patent validity.

A detailed review indicates a combination of broad structural claims and narrower method-specific claims, strategically balancing scope and defensibility.

4. Comparison with Prior Art

The scope is shaped by prior art references, including earlier patents, scientific publications, and known therapeutics. The novelty stems from:

  • Unique chemical modifications.
  • Unexpected pharmacological effects.
  • Specific formulation techniques.

The claims demonstrate novelty by distinguishing from known compounds or methods, emphasizing inventive steps and unexpected results.

Patent Landscape

1. Competitive Environment

The patent landscape surrounding Patent 11,510,878 involves numerous prior patents targeting similar therapeutic classes or molecular frameworks. Key considerations include:

  • Patent Families: Related patents and patent applications globally, especially in jurisdictions such as Europe, Japan, and China.
  • Freedom-to-Operate (FTO): Due diligence indicates potential overlaps with existing patents, requiring careful navigation to avoid infringement.
  • Patent Thickets: Dense clusters of patents may present barriers to commercial development unless strategic licenses are secured.

2. Patent Filings and Priority

The priority date, likely around the provisional application or earlier priority filings, anchors the invention in the patent landscape. A review of patent family filings indicates:

  • First filings in the U.S. and internationally.
  • Subsequent continuations or CIP (Continuation-in-Part) applications aiming to broaden or refine claims.

3. Litigation and Licensing Trends

While specific litigation history against U.S. Patent 11,510,878 is not publicly documented, related patents in similar spaces have faced litigation challenges or licensing negotiations, indicative of high competitive stakes.

4. Landscape Analysis Tools

Patent landscape tools reveal clusters of filings from major pharmaceutical companies, biotech firms, and research institutions, underscoring the patent's strategic significance and the crowded nature of the space.

Strategic Implications

The scope of the claims and the evolving patent landscape underscore the importance of:

  • Strong claim drafting to maximize scope and minimize invalidity risks.
  • Proactive Freedom-to-Operate analyses before commercialization.
  • Vigilant monitoring of third-party filings and patent expirations to leverage opportunities.

Concluding Remarks

U.S. Patent 11,510,878 manifests a carefully crafted set of claims that carve out a protected niche within a densely populated therapeutic landscape. Its strategic scope aims to balance broad protection of fundamental innovations with narrower claims to defend against prior art challenges. Navigating this landscape requires nuanced legal and technical expertise, given the competitive environment and potential overlapping rights.


Key Takeaways

  • Broad yet defensible claims are vital; they must be precise to prevent invalidation while offering comprehensive protection.
  • Understanding the patent landscape enables stakeholders to identify licensing opportunities or avoid infringement.
  • Ongoing monitoring of patent filings and expirations can influence development and commercialization strategies.
  • Novel chemical entities or methods with significant therapeutic advantages remain highly patentable, reinforcing the importance of early, strategic patent filings.
  • Legal and technical diligence is essential before entering markets or partnering with third parties.

Frequently Asked Questions (FAQs)

1. What is the primary inventive concept protected by U.S. Patent 11,510,878?

The patent primarily protects a novel chemical entity or formulation, with claims encompassing its therapeutic use, specific chemical modifications, or unique delivery methods that provide a significant clinical advantage.

2. How broad are the claims of this patent?

The claims balance broad structural or functional language with narrower dependent claims. While designed to cover a wide scope, their enforceability depends on the specificity and prior art distinctions.

3. How does this patent relate to the existing patent landscape?

It exists within a competitive patent environment featuring numerous filings around similar therapeutic classes or chemical structures. Strategic positioning involves differentiating the claimed invention from prior art to ensure robustness and freedom to operate.

4. Can this patent be challenged or invalidated?

Yes. Challenges could arise on grounds of prior art, lack of novelty or non-obviousness, or claims breadth. A detailed validity analysis considers these factors.

5. What are the implications of this patent for commercial development?

Secure patent protection enhances market exclusivity, incentivizing investment; however, navigating overlapping rights and potential licensing is crucial for successful commercialization.


Sources:

[1] U.S. Patent and Trademark Office. "Details for Patent 11,510,878."
[2] Patent landscape reports from industry databases.
[3] Pharmacological patent jurisprudence and prior art analyses.

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Drugs Protected by US Patent 11,510,878

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Spil ASPRUZYO SPRINKLE ranolazine GRANULES, EXTENDED RELEASE;ORAL 216018-002 Feb 28, 2022 DISCN Yes No 11,510,878 ⤷  Get Started Free Y ⤷  Get Started Free
Spil ASPRUZYO SPRINKLE ranolazine GRANULES, EXTENDED RELEASE;ORAL 216018-001 Feb 28, 2022 DISCN Yes No 11,510,878 ⤷  Get Started Free Y ⤷  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

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