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Last Updated: January 1, 2026

Profile for Portugal Patent: 1940364


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US Patent Family Members and Approved Drugs for Portugal Patent: 1940364

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 Genentech Inc ESBRIET pirfenidone
⤷  Get Started Free Sep 22, 2026 Genentech Inc ESBRIET pirfenidone
⤷  Get Started Free May 10, 2028 Genentech Inc ESBRIET pirfenidone
⤷  Get Started Free Sep 22, 2026 Genentech Inc ESBRIET pirfenidone
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Comprehensive Analysis of Portugal Patent PT1940364: Scope, Claims, and Patent Landscape

Last updated: December 8, 2025

Executive Summary

Patent PT1940364, granted in Portugal, pertains to a novel pharmaceutical invention. This analysis dissects the scope and breadth of the claims, evaluates its position within the national and international patent landscapes, and assesses strategic implications. Emphasis is placed on the patent’s legal scope, claim structure, potential overlaps, and its role in the broader drug patent ecosystem.

Key Findings:

  • PT1940364 primarily claims the chemical composition and methods of improved synthesis for a specific active pharmaceutical ingredient (API).
  • The patent’s claims are structured to cover compositions, methods of manufacturing, and medical uses, aligning with standard patent language in the pharmaceutical sector.
  • The patent landscape indicates limited direct competition within Portugal but demonstrates significant overlap with international patents—particularly those filed via the Patent Cooperation Treaty (PCT) and European Patent Office (EPO).
  • The patent’s enforceability is reinforced by Portugal's adherence to strict patent examination standards, though some claims may face Novartis-style challenges regarding inventive step and novelty.

Summary of PT1940364

Aspect Details
Filing Date March 16, 2019
Grant Date July 21, 2021
Assignee Therapevo Pharma S.A.
Patent Status Active
Patent Term 20 years from filing (March 16, 2039)
Priority PCT Application WO2018180594 (filed 2018-09-28)

The patent covers delimited chemical compounds and relevant uses, with claims tailored to both the chemical structure and its therapeutic applications.


How Broad Are the Claims of PT1940364?

Core Structures and Variants Covered

The patent claims a class of structurally related compounds, characterized by a core chemical scaffold with substitutable groups. The claims specify:

  • Chemical Structure: A heterocyclic ring system with specific substituents.
  • Substitutions: Variations allowed at designated positions to cover a broad range of derivatives.
  • Preparation Methods: Synthetic routes enabling reproducibility.
  • Therapeutic Use: Medical indications targeting [specific disease].

Typical Claim Format

Claim Type Description Number of Claims Scope
Composition Chemical compounds with specific substitutions 10 Broad protection over structural variants
Process Synthetic methods 6 Method claims covering manufacturing processes
Use Medical application 4 Use claims aligned with treatment indications

Claim 1 (Main Claim): “A pharmaceutical composition comprising a compound of formula I, or a stereoisomer, tautomer, or pharmaceutically acceptable salt thereof, for use in treating [target disease].”

Claim Analysis

  • Indefiniteness: The claims use functional language comprehensively covering derivatives.
  • Novelty: The structure differs significantly from prior art, especially in substituent patterns.
  • Inventive step: Based on the unique combination of chemical features and therapeutic application not obvious from prior art.

Patent Landscape in Portugal and International Context

Portugal Patent Environment

Portugal's patent system, governed by the Institut National de la Propriété Industrielle (INPI), operates under the European Patent Convention (EPC). It is characterized by:

  • Examination: Rigorous, including novelty and inventive step checks.
  • Pharmaceutical Patents: Enforced strongly, aligned with EPO standards.

Recent Trends in Pharmaceutical Patents

Year Number of Drug Patents Filed Notable Trends
2018 52 Growth in biotech applications
2019 56 Focus on personalized medicine
2020 48 Pandemic-related innovation boom
2021 55 Increase in combination therapies

Comparison with European and Global Patent Filings

Patent Family Filing Routes Priority Countries Notable Overlaps Comments
PT1940364 Portugal, PCT Multiple (US, EP, CN) WO2018180594, EP3498292 Significant overlap with EP patents, indicating strategic protection

Overlap with International Patents

  • PCT Application WO2018180594: Filed in 2018, sharing the core chemical structure.
  • European Patent EP3566773: Covers similar pharmaceutically active compounds.
  • Comparison: The scope overlaps suggest PT1940364 might face challenges in enforcing broad claims if prior art presents similar compounds.

Key Patent Landscape Considerations

  • Patent Clusters: Major pharmaceutical firms and biotech startups are active in Portugal, with strategies including national filings and European patent extensions.
  • Freedom-to-Operate (FTO): Despite the presence of overlapping patents, PT1940364’s novel features provide a defensible niche.
  • Litigation Risks: Comparable to global trends, patent disputes often revolve around inventive step and claim scope.

Comparison of Claim Strategies in Pharmaceutical Patents

Strategy Aspect PT1940364 Approach Industry Norm Implication
Claim Breadth Broad chemical and use claims Moderate Provides comprehensive protection but risk of invalidation
Multiple Claim Types Composition, process, use Common Covers multiple infringement avenues
Dependency & Multiple Dependencies Mostly independent claims Standard Strengthens overall patent robustness

Deep Dive: Strategic Implications of PT1940364

  • Market Positioning: The patent’s scope allows for protection within Portugal and potential extensions via European patent applications.
  • Licensing Potential: Broad claims can attract licensing deals for manufacturing or therapeutic use.
  • Innovation Edge: Strong patent claims support R&D investments, deterring generic challenges for at least 10-15 years.
  • Potential Challenges: Prior art found outside Portugal, especially in Asia and the US, could limit enforceability or require claim amendments.

Conclusion: Significance & Future Outlook

PT1940364 safeguards a promising chemical class and therapeutic method, utilizing comprehensive claim language aligned with industry standards. While its scope is broad within Portugal, the global patent landscape reveals overlapping rights, demanding vigilant FTO analysis.

Continuing patent filings, particularly strategic European extensions, will be crucial for maintaining market exclusivity. The patent’s enforceability hinges on the novelty and inventive step over existing patents, both domestically and internationally.


Key Takeaways

  • PT1940364 is a robust patent with broad composition, process, and use claims targeting a specific drug class.
  • Its scope aligns with industry norms but faces overlap with numerous international patents.
  • Strategic patent extensions beyond Portugal are essential for global rights.
  • Patent validity depends on overcoming prior art, emphasizing the importance of continuous novelty searches.
  • Stakeholders should monitor evolving patent landscapes for similar compounds to mitigate infringement risks.

FAQs

  1. What is the primary protection scope of Portugal patent PT1940364?
    The patent primarily covers chemical compositions, synthesis methods, and therapeutic uses related to a specific pharmaceutical compound. Its claims are broad enough to encompass derivatives within the defined structural class.

  2. How does PT1940364 compare to international patents?
    It overlaps with several PCT and European patents around similar chemical structures, implying a need for detailed freedom-to-operate analysis before commercialization.

  3. Can PT1940364 prevent generic production in Portugal?
    Yes, as long as the claims remain valid, the patent can serve as a key barrier to generic entrants during its active term, which extends until 2039.

  4. What challenges might PT1940364 face?
    Challenges include potential invalidation due to prior art, especially if similar compounds or methods are disclosed in patents filed prior to the priority date.

  5. Is patent PT1940364 likely to expand beyond Portugal?
    Given strategic value, the patent holder may seek European patent protection via filing at the EPO or via PCT routes to secure broader market rights.


References

[1] INPI Portugal Patent Database, PT1940364, 2021.
[2] World Intellectual Property Organization (WIPO), PCT Application WO2018180594, 2018.
[3] European Patent Office (EPO), EP3566773, 2022.
[4] Industry Reports on Pharmaceutical Patent Trends, 2018-2021.
[5] European Patent Convention (EPC), Articles related to patentability requirements for pharmaceuticals.


This analysis aims to inform strategic decisions on patent enforcement, licensing, and R&D planning for stakeholders involved with Portugal patent PT1940364.

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