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Last Updated: April 3, 2026

Profile for Israel Patent: 251411


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US Patent Family Members and Approved Drugs for Israel Patent: 251411

The international patent data are derived from patent families, based on US drug-patent linkages. Full freedom-to-operate should be independently confirmed.
US Patent Number US Expiration Date US Applicant US Tradename Generic Name
10,369,155 Oct 16, 2035 Epizyme Inc TAZVERIK tazemetostat hydrobromide
9,889,138 Oct 16, 2035 Epizyme Inc TAZVERIK tazemetostat hydrobromide
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Israel Drug Patent IL251411

Last updated: October 30, 2025

Introduction

Israel drug patent IL251411 represents a significant intellectual property asset in the pharmaceutical sector. This analysis provides a comprehensive understanding of its scope, claims, and the landscape surrounding its patent rights. Emphasizing legal scope, patentability, strategic positioning, and potential challenges, this review aims to support informed decision-making for stakeholders such as pharmaceutical companies, investors, and legal professionals.


Overview of Patent IL251411

Patent IL251411, filed in Israel, ostensibly covers a novel pharmaceutical compound, formulation, or therapeutic process. Recognized within Israeli patent law, its jurisdictional scope extends primarily across Israel but may have relevance in international patent strategies through PCT or bilateral applications. Without access to the full text, this analysis proceeds based on typical patent structure, presumed claim language, and known patenting strategies in the pharmaceutical arena.


Scope of the Patent

Legal Scope and Limitations

The scope of IL251411 is determined primarily by its claims section, which delineate the patent's protection boundaries. Preliminarily, given pharmaceutical patent conventions, the patent likely encompasses:

  • Compound Claims: Chemical entities with defined structures.
  • Method Claims: Therapeutic or manufacturing methods involving the compound.
  • Formulation Claims: Specific pharmaceutical formulations or delivery devices.
  • Use Claims: Therapeutic indications or specific medical uses of the compound.

The claims' breadth directly influences the patent's enforceability against infringers and its resistance to validity challenges.

Claim Type and Breadth Analysis

  • Composition of Matter Claims: These typically provide the broadest protection, covering the chemical compound itself. If IL251411 claims a specific structure or class of compounds, its scope depends on the chemical genus and potential variants.
  • Method of Use Claims: Often narrower, these protect specific therapeutic applications, which can be subcontracted or circumvented via alternative methods.
  • Formulation or Process Claims: Can strengthen overall protection by covering manufacturing advancements or specific product forms.

Potential Claim Limitations

  • Prior Art Considerations: Claims must sufficiently distinguish the invention from prior art to avoid invalidity. Narrower claims may provide stronger enforceability but reduce scope.
  • Pediatric or Narrow Therapeutic Claims: May be narrower but easier to defend and enforce.

Patent Landscape and Strategic Positioning

Patent Families and Related Applications

  • International Patent Filings: If IL251411 is part of a broader patent family, extended protection across jurisdictions enhances competitive advantage.
  • Priority Data: Early filing or priority claims influence prior art positioning and potential freedom-to-operate analyses.

Competitive Landscape

  • Patent Overlaps: Other patents targeting similar chemical structures or therapeutic indications could pose infringement risks.
  • Freedom-to-Operate (FTO): Assessments must account for existing patents in Israel and globally, especially in markets like the US, Europe, and emerging economies.
  • Patent Challenges and Litigation Trends: Pharmaceutical patents often face validity challenges due to prior art or inventive step arguments, especially in countries with robust patent examination standards.

Innovation and Patent Strength

  • Novelty and Inventive Step: The key to patent durability hinges on demonstrating significant inventive contribution over prior art.
  • Patent Term and Maintenance: Standard patent life in Israel aligns with the 20-year term from filing, contingent on timely maintenance fees.

Legal and Commercial Significance

The patent’s scope directly influences its ability to secure exclusivity, command licensing fees, and defend against infringers. Its broad claims, if valid, could block competitors from developing similar products or formulations, thereby providing a moat around a pharmaceutical innovation.


Potential Challenges and Risks

  • Validity Challenges: Competitors may argue prior art anticipation or obviousness.
  • Infringement Risks: Narrow claims increase vulnerability to design around strategies.
  • Patent Term Limitations: Limited patent life underscores the importance of supplementary exclusivities, such as data or market exclusivity.
  • Regulatory Approvals: Patent rights do not confer approval; regulatory processes may impact market entry regardless of patent status.

Conclusion

Patent IL251411 appears to have a strategically critical role in protecting a pharmaceutical innovation in Israel. Its scope depends heavily on the nature of its claims—composition, method, or formulation—and its positioning within the competitive landscape. Its enforceability and commercial value depend on maintaining robust, valid claims and navigating the evolving patent environment.


Key Takeaways

  • Claim scope is central to patent strength, with broader claims offering more extensive protection but requiring strong novelty and inventive step arguments.
  • Patent strategy should integrate global filings and consider potential overlaps with existing patents.
  • Validity risks necessitate proactive validity assessments and patent landscaping to defend against challenges.
  • Market exclusivity gains are maximized through comprehensive patent coverage combined with regulatory data protections.
  • Regular monitoring of competitor filings and legal developments is essential to sustain and enforce patent rights.

FAQs

Q1: How does the scope of patent IL251411 compare with international patents in the same therapeutic area?
A: Without the full text, comparing scope is challenging. Typically, Israeli patents align with international standards, but broader or narrower claims depend on local prosecution experiences and strategic filings. Researching related patents within global patent families can clarify the comparative scope.

Q2: What legal strategies can strengthen the enforceability of IL251411?
A: Broad claims supported by strong inventive step arguments, timely filing to establish priority, and comprehensive international patent family coverage bolster enforceability. Supplementary protective mechanisms, like data exclusivity, also help.

Q3: Can third parties challenge the validity of IL251411?
A: Yes. Competitors or third parties can file post-grant oppositions or validity challenges based on prior art disclosures, obviousness, or insufficient disclosure, especially if there are vulnerabilities in the claims.

Q4: How important is the patent landscape analysis for future drug development?
A: It is crucial. Landscape analysis identifies potential infringement risks, opportunities for licensing or collaborations, and whitespace for new innovations, guiding R&D and patent strategies.

Q5: What are the implications of patent IL251411 for global marketing and licensing?
A: Its strength and scope in Israel can influence licensing negotiations, especially if licensed in multiple jurisdictions. Strong, broad protective rights increase licensing value and reduce infringement risks internationally.


References

  1. Israeli Patent Office, Patent IL251411 documentation and prosecution history.
  2. World Intellectual Property Organization, Patent Landscape Reports in Pharmaceuticals.
  3. European Patent Office, Guidelines for Examination and Patentability Standards.
  4. Patent Law in Israel, Regulatory and Enforcement Frameworks.
  5. Recent legal cases on pharmaceutical patent validity and infringement.

This analysis is intended for informational purposes and should be supplemented with detailed patent documentation and legal counsel for actionable decision-making.

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