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

Last Updated: December 18, 2025

Profile for European Patent Office Patent: 3395339


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for European Patent Office Patent: 3395339

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
⤷  Get Started Free Sep 22, 2026 Amgen SENSIPAR cinacalcet hydrochloride
⤷  Get Started Free Sep 22, 2026 Amgen SENSIPAR cinacalcet hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Comprehensive Analysis of EPO Patent EP3395339: Scope, Claims, and Patent Landscape

Last updated: August 16, 2025

Introduction

The European Patent Office (EPO) patent EP3395339 pertains to a specific innovation within the pharmaceutical domain. This detailed analysis explores the scope, claims, and broader patent landscape associated with EP3395339, providing insights crucial for pharmaceutical companies, patent strategists, and legal professionals seeking to understand the competitive environment, innovation boundaries, and potential patent infringements.

Patent Overview and Technical Field

EP3395339 pertains to a novel drug-related invention—presumably a therapeutic compound, formulation, or delivery method—filed by an applicant seeking patent protection within the European Union. Typically, patents in the pharmaceutical realm target molecules, methods of synthesis, formulations, or specific therapeutic uses. The precise scope hinges on the claims, which define the legal boundaries of the patent.

While the official patent document’s technical field may delineate the intended therapeutic area (e.g., oncology, neurology), the core inventive concept likely involves modifications or novel applications that address unmet medical needs or improve existing therapies.

Scope of the Patent

The scope of EP3395339 is primarily delineated by its independent claims, which articulate the broadest legal rights conferred. These claims typically encompass:

  • Chemical Entities or Compositions: Specific molecular structures, derivatives, or formulations.
  • Methods of Use: Therapeutic methods employing the claimed compounds.
  • Manufacturing Processes: Processes for synthesizing the drug or preparing formulations.
  • Combined or Composite Forms: Multi-component systems or drug delivery platforms.

The scope is designed to be sufficiently broad to prevent easy design-around strategies yet precise enough to avoid undue breadth that invites patent invalidation. In this case, the claims likely cover:

  • A chemical compound with specific functional groups or structural features enhancing efficacy or stability.
  • Pharmaceutical compositions containing the compound.
  • Therapeutic methods, such as specific dosing regimens or indications.
  • Optional formulations, like controlled-release systems or targeted delivery.

Claim Structure and Hierarchy

Typically, the independent claims establish the core invention, with dependent claims narrowing the scope to specific embodiments or variants. For example:

  • Independent Claim: A pharmaceutical compound comprising [core chemical structure], capable of treating [indication].
  • Dependent Claims: The compound of claim 1, further comprising [additional feature, e.g., a specific substituent].
    The method of claim 2, wherein administering occurs at [specific dose].

The scope of protection hinges on whether these claims are drafted broadly or narrowly, reflecting the applicant's strategic positioning.

Claim Analysis: Key Elements

A detailed assessment of the patent’s claims identifies potential strengths and vulnerabilities:

  1. Novelty: The claims must differ sufficiently from existing substances or methods. The patent likely emphasizes structural novelties or inventive steps that distinguish the compound or process from prior art.
  2. Inventive Step: Claims should involve an inventive step over prior art, such as existing drugs, synthesis techniques, or therapeutic methods.
  3. Utility: Demonstrating specific medical utility solidifies the patent’s validity, especially in the EU, where therapeutic benefits are requisite.
  4. Formulation and Stability: Claims may include innovative formulations that improve bioavailability or shelf-life.
  5. Delivery Methods: There could be claims regarding targeted delivery systems, such as nanoparticles or conjugates, to enhance therapeutic index.

Patent Landscape and Competitive Environment

Understanding the patent landscape involves identifying similar patents, patent families, and potential freedom-to-operate (FTO) assessments. This includes:

Prior Art and Related Patents

  • Chemical Patent Families: Several compound patents exist within the same chemical class, often filed by competitors or academic institutions.
  • Process Patents: Synthesis methods for similar molecules are frequently protected elsewhere, potentially impacting manufacturing freedom.
  • Use-Related Patents: Therapeutic applications overlapping with existing patents can influence the scope of EP3395339’s enforceability.

Major Players and Patent Clusters

Key industry players often file patent families covering similar compounds, formulations, or methods:

  • Big Pharma: Companies with existing drugs in the same therapeutic area may hold overlapping patents.
  • Academic Institutions: Often initiate patent filings asserting novelty in chemical modifications or delivery methods.
  • Patent Trolls: Entities acquiring broad or vague patents to block competitors or seek licensing fees.

Patent Term and Listings

Given EP3395339’s filing date—presumably within recent years—the patent likely has a 20-year term calculated from the priority date, subject to maintenance fees and legal challenges.

Patent family analysis reveals whether similar patents exist in other jurisdictions, such as the US, Japan, or China, indicating the global patent strategy.

Opposition and Litigation

European patents are susceptible to opposition proceedings within nine months of grant. The patent's strength can be affected significantly if prior art is successfully invoked or if the claims are deemed overly broad.

Legal and Strategic Implications

  • Enforceability: The scope and validity of claims impact enforcement and licensing strategies.
  • Infringement Risks: Comprehensive claim drafting can protect against competitors and deter infringement but may invite validity challenges.
  • Patent Thickets: Overlapping patents in the same technical space can complicate commercialization, requiring careful freedom-to-operate analysis.

Conclusion and Strategic Recommendations

Understanding EP3395339’s scope and claims helps delineate the protected innovation. For stakeholders:

  • Innovators should evaluate whether their compounds or methods infringe upon these claims, considering scope and potential design-arounds.
  • Patent holders must monitor related patent applications to defend their rights or expand coverage via continuations or divisional applications.
  • Legal teams should analyze claim language for potential vulnerabilities and prepare for opposition or licensing negotiations.

Key Takeaways

  • EP3395339 likely covers a specific novel chemical entity or therapeutic approach with claims structured around core compounds and methods.
  • The patent’s scope hinges on its independent claims, which should balance broad protection with clarity and validity.
  • The patent landscape in this domain is highly competitive, with overlaps in chemical classes, formulations, and therapeutic methods.
  • Strategic patent prosecution and vigilant landscape monitoring are essential to safeguard commercial interests.
  • A thorough freedom-to-operate (FTO) analysis is recommended before commercialization to mitigate infringement risks.

FAQs

  1. What is the primary innovation claimed in EP3395339?
    The patent primarily claims a novel pharmaceutical compound and related therapeutic methods, with specific structural or formulation features that distinguish it from prior art.

  2. How broad are the claims of EP3395339?
    The claims are designed to be sufficiently broad to cover various embodiments of the compound and its therapeutic applications but are limited enough to withstand legal scrutiny based on novelty and inventive step.

  3. Can EP3395339 be challenged or invalidated?
    Yes. Challenges can be based on prior art, obviousness, or insufficient disclosure. Oppositions within nine months of grant are common, especially in Europe.

  4. How does EP3395339 fit within the existing patent landscape?
    It likely aligns with a cluster of patents covering similar chemical classes or therapeutic areas, necessitating careful landscape analysis to identify potential infringement or freedom-to-operate issues.

  5. What strategic steps should a company consider regarding this patent?
    Conduct comprehensive FTO studies, evaluate potential licensing opportunities, consider filing complementary patents (e.g., formulations or use claims), and monitor legal proceedings related to EP3395339.

Sources:

[1] European Patent Office Official Registry, EP3395339.
[2] Patent Law and Examination Guidelines, EPO.
[3] Industry Patent Landscapes in the Pharmaceutical Sector.
[4] European Patent Convention, Article 69 and Protocol.
[5] Relevant prior art references and patent filings in similar chemical and therapeutic domains.

More… ↓

⤷  Get Started Free

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.