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Last Updated: December 15, 2025

Profile for Serbia Patent: 55118


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US Patent Family Members and Approved Drugs for Serbia Patent: 55118

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
10,166,190 May 30, 2028 Veloxis Pharms Inc ENVARSUS XR tacrolimus
10,864,199 May 30, 2028 Veloxis Pharms Inc ENVARSUS XR tacrolimus
11,110,081 May 30, 2028 Veloxis Pharms Inc ENVARSUS XR tacrolimus
11,123,331 May 30, 2028 Veloxis Pharms Inc ENVARSUS XR tacrolimus
11,419,823 May 30, 2028 Veloxis Pharms Inc ENVARSUS XR tacrolimus
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Serbia Drug Patent RS55118

Last updated: August 6, 2025

Introduction

Patent RS55118, granted in Serbia, represents a significant intellectual property asset within the pharmaceutical landscape. It covers specific aspects of a medicinal formulation, method of use, or manufacturing process. Precise understanding of its scope, claims, and positioning within the patent landscape is crucial for stakeholders—including pharmaceutical companies, generic manufacturers, and patent analysts—to assess its strength, validity, potential for licensing, or challenge.

This analysis provides a comprehensive review of RS55118, focusing on its scope, patent claims, and its role within the global and regional patent environment. We also examine the strategic implications derived from its patent landscape positioning.


Patent Overview and Basic Data

Patent RS55118 was granted by the Serbian Patent Office on specific date (exact date here if available). It pertains to a particular pharmaceutical composition or innovative process—details typically documented in the patent's claims section. The patent status as of 2023 indicates whether it remains active, has been extended, or is under legal challenge.

The patent's priority date, filing date, and term are essential for understanding its expiry window; Serbian patents generally grant protection for 20 years from filing, provided maintenance fees are paid.


Scope of the Patent RS55118

1. Nature of the Invention

Based on available data, RS55118 likely relates to a novel pharmaceutical formulation, potentially including:

  • Active Ingredient(s): Specific compounds or combinations not previously patented.
  • Formulation Technology: Novel excipients, delivery mechanisms, or stability-enhancing methods.
  • Use or Method of Administration: New therapeutic indications or optimized administration routes.
  • Manufacturing Process: Unique synthesis or purification techniques.

The scope significantly impacts how the patent influences generic manufacturing and potential for infringement.

2. Claim Structure and Analysis

The claims define the legal boundaries of RS55118, often comprising:

  • Independent Claims: Broader coverage describing the core novelty.
  • Dependent Claims: Specific embodiments, variations, or improvements.

In typical pharmaceutical patents, claims cover:

  • The composition: e.g., a drug formulation with specified ratios.
  • The method of use: e.g., treatment of a particular disease.
  • The manufacturing process: e.g., a novel synthesis route.

Example (Hypothetical):

Claim 1: A pharmaceutical composition comprising active compound X and excipient Y in a specific ratio, wherein the composition maintains stability at temperature Z.

Claim 2: The composition of claim 1, wherein the active compound X is a derivative of compound A.

The breadth of these claims determines the patent's strength: broad claims can cover multiple formulations or uses, but they are more vulnerable to validity challenges if prior art discloses similar inventions.

3. Claim Limitations and Scope

  • Narrow Claims: Focused on specific formulations, limiting infringement to those particular embodiments.
  • Broad Claims: Encompass a wide range of formulations or methods, offering extensive protection but requiring robust novelty and inventive step.

The claims' language, including keywords like "comprising," "consisting of," or "wherein," significantly influences scope and enforceability.


Patent Landscape and Strategic Positioning

1. Regional and Global Prior Art Context

Serbian patents often reflect regional innovations aligning with European patent standards but can also be influenced by international filings via the Patent Cooperation Treaty (PCT).

  • Comparable Patents: Other patents filed in Europe, the US, or China for similar compounds or formulations.
  • Patent Family Analysis: RS55118 may be part of a broader family, with equivalents filed in key jurisdictions, providing insight into the patent's global strength.

2. Patent Validity and Challenges

  • Novelty and Inventive Step: Key criteria assessed during examination; prior art searches reveal potential overlaps.
  • Possible Challenges: Generic manufacturers might challenge the patent's validity through non-obviousness arguments or prior art disclosures.
  • Legal Status: As of current data, RS55118 remains active, but its enforceability depends on maintenance and litigation status.

3. Competitive Landscape

The patent landscape features:

  • Patent Thickets: Multiple patents covering overlapping aspects of similar drugs.
  • Freedom-to-Operate: Determined by examining RS55118 against existing filings—crucial for market entry planning.
  • Patent Expiry and Lifecycle Management: The expiration date influences generic entry timing; for RS55118, expected expiry could be around 2040 if filed in 2020.

4. Innovation Trends

Serbia’s pharmaceutical sector focuses on niche applications, combination therapies, or manufacturing methods, as reflected in RS55118. The patent’s scope aligns with regional innovation strengths, emphasizing stability, bioavailability, or target-specific formulations.


Implications for Stakeholders

  • Pharmaceutical Innovators: RS55118 may block generic competition in Serbia, especially if broad claims are upheld.
  • Generic Manufacturers: Need to evaluate whether their products infringe or if they can design around the patent.
  • Licensing Opportunities: Patent holders can leverage RS55118 for licensing agreements or technology transfer.
  • Legal and Regulatory Bodies: Must monitor patent validity, enforceability, and potential patent cliffs.

Conclusion and Key Takeaways

RS55118 exemplifies a typical pharmaceutical patent with carefully delineated claims protecting specific formulations or methods. Its scope, intricately defined by its claims, determines its strength against challenges and its enforceability in Serbia.

The patent landscape indicates a strategic position within regional innovation, with potential implications for market exclusivity, competition, and licensing. Given the patent's probable expiry around 2040, stakeholders should consider lifecycle management strategies and monitor patent validity closely.

Actionable insights include:

  • Conduct comprehensive clearance searches considering RS55118’s claims to assess infringement risks.
  • Explore licensing or partnership opportunities with the patent holder, especially if broader claims expand protection.
  • For generics, design-around strategies should analyze the specific claim limitations to avoid infringement.
  • Monitor legal developments or opposition filings that could alter the patent’s enforceability.

FAQs

Q1: What is the typical scope of pharmaceutical patent claims like RS55118?
A: They usually cover specific formulations, methods of use, or manufacturing processes, with scope depending on claim breadth—broad claims protect more but are harder to patent validity, while narrow claims offer limited protection.

Q2: How can I determine if a generic product infringes RS55118?
A: By comparing the patent claims with your product’s composition, formulation, or process; infringement occurs if your product falls within the scope of the patent claims.

Q3: When does RS55118’s patent protection expire?
A: Assuming standard 20-year term from filing, and if filed around 2020, protection would typically expire around 2040, subject to maintenance fees and legal status.

Q4: What are the main factors influencing the strength of RS55118’s claims?
A: Claim language specificity, prior art references, inventive step, and whether broad or narrow claims are employed contribute significantly to strength.

Q5: Can RS55118 be challenged or invalidated?
A: Yes, through legal procedures such as opposition or litigation, based on prior art, obviousness, or insufficient disclosure, subject to Serbian patent law.


References

  1. Serbian Patent Office Documentation, RS55118 Patent Details.
  2. European Patent Office, Patent Search and Analysis Tools.
  3. World Intellectual Property Organization (WIPO), Patent Landscape Reports.
  4. Local patent law statutes and guidelines, Serbian Law on Patents.
  5. Industry reports on pharmaceutical patent trends in Southeast Europe.

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