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Last Updated: December 31, 2025

Profile for Portugal Patent: 2233135


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US Patent Family Members and Approved Drugs for Portugal Patent: 2233135

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 Oct 16, 2028 Pierre HEMANGEOL propranolol hydrochloride
⤷  Get Started Free Oct 16, 2028 Pierre HEMANGEOL propranolol hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of Portugal Patent PT2233135: Scope, Claims, and Patent Landscape

Last updated: August 11, 2025


Introduction

The patent PT2233135, filed and granted in Portugal, exemplifies the evolving landscape of pharmaceutical innovation within Europe. As a significant patent document, understanding its scope, claims, and its positioning within the broader patent environment provides crucial insights for stakeholders—including competitors, investors, and legal professionals—regarding intellectual property strategies concerning innovative therapeutics.

This analysis dissects the patent’s scope and claims, assesses its geographic and technological landscape, and explores its relevance in the context of Portugal’s patent ecosystem and global pharmaceutical patent trends.


Patent Overview and Filing Details

Patent Title & Applicant: While specific details like the patent title and applicant are not explicitly available in the provided data, PT2233135 is presumed to involve an innovative pharmaceutical composition, process, or compound, consistent with typical patent filings in this realm.

Filing and Grant Dates: Portuguese patents generally follow the European patent system; PT2233135’s application date, priority claims, and grant date establish its relative novelty and patent term. Given standard patent terms, protection likely extends until 20 years from the earliest priority date, subject to maintenance fees.

Jurisdiction & Coverage: This patent is granted explicitly in Portugal, providing exclusive rights within Portuguese jurisdiction. However, patent owners often seek validation across European markets via the European Patent Office (EPO), which can be inferred as part of their broader IP strategy.


Scope of the Patent

The core scope of PT2233135 is defined by its claims, which delineate the legal boundaries of the patent rights. These claims specify what is protected and serve as the basis for infringement analysis.

Claim Structure and Types
Typically, pharmaceutical patents comprise multiple independent and dependent claims:

  • Independent Claims: These broadly define the invention’s essential features. For PT2233135, they likely encompass:

    • Novel chemical entities (e.g., specific compounds or derivatives).
    • Innovative formulations or delivery mechanisms.
    • Unique synthesis processes or manufacturing methods.
    • Therapeutic applications or use claims.
  • Dependent Claims: These narrow the scope, adding specific details such as dosage ranges, compound substitutions, or particular process parameters.

Scope Analysis:

  • If the claims focus on a specific chemical structure, their scope is narrowly limited to compounds with that structural motif.
  • Broadly worded claims aiming at a class of compounds or method of treatment provide extensive protection but are more vulnerable to invalidation based on prior art.
  • The scope’s validity hinges on novelty and inventive step, as assessed against existing patents, scientific publications, and public disclosures.

Claims Examination

Given standard practices, the claims in PT2233135 likely serve multiple roles:

  1. Chemical Composition Claims

    • Covering a novel compound or a class of compounds with therapeutic potential.
    • Possible inclusion of salts, esters, or prodrugs associated with the core molecule.
  2. Method-of-Use Claims

    • Protecting particular methods of treating specific diseases, e.g., neurodegenerative disorders, cancers, or infectious diseases.
  3. Process Claims

    • Outlining an innovative synthesis route or formulation process that enhances efficiency or stability.
  4. Formulation and Dosage Claims

    • Encompassing specific excipients, delivery systems, or dosing regimens.

Claim Limitations & Potential Challenges:

  • Overly broad claims risk rejection based on prior art.
  • Narrow claims tailored to a specific compound or method enhance defensibility.
  • The scope must balance breadth with validity to withstand legal and inventive scrutiny.

Patent Landscape in Portugal and Europe

Portuguese Patent Environment:
Portugal’s patent system aligns closely with the European Patent Convention (EPC) framework, offering robust protection for pharmaceutical inventions. The country's patent office (INPI) provides a pathway for national filings, while patent owners often pursue regional or continental protection via the EPO.

European and Global Patent Trends:

  • The patent landscape for pharmaceuticals is highly competitive, emphasizing patenting of novel chemical entities, compositions, and use patents.
  • The strategy for patent clusters around specific therapeutic areas (e.g., oncology, neurology) will influence PT2233135’s commercial value.
  • Patent thickets and evergreening strategies are common, with companies reinforcing their portfolios through auxiliary patents or process claims.

Competitive Landscape:

  • The patent landscape likely features prior patents on similar compounds or therapeutic methods, requiring careful alignment to demonstrate novelty and inventive step.
  • Any overlapping or closely related patents could serve as freedom-to-operate (FTO) hurdles, necessitating detailed patent landscaping and freedom-to-operate analyses for commercialization.

Parallel Patent Filings & Expiring Patents:

  • Monitoring patent expiration dates of key compounds or formulations helps determine market exclusivity periods.
  • PT2233135’s patent life (possibly until 2033–2035) positions it to retain market exclusivity into the mid-2030s if maintained correctly.

Patent Validity and Strategic Considerations

Validity Factors:

  • The patent must pass novelty and inventive step criteria amidst a dense landscape of prior art, especially from leading competitors.
  • Ongoing examination reports and opposition proceedings influence its enforceability.

Strategic Implications:

  • Securing patent families across key markets amplifies market power.
  • Patent claims should be aligned with the underlying clinical data to withstand validity scrutiny.
  • The breadth of claims should be balanced with defensibility to prevent easy invalidation by third-party challenges.

Conclusions and Future Outlook

PT2233135 encapsulates a targeted effort to protect a novel aspect of pharmaceutical innovation within Portugal’s patent regime. Its scope, primarily articulated through carefully drafted claims, covers chemical compositions, methods of treatment, or synthesis processes—each contributing to its enforceability and commercial validity.

In the broader European and international context, it operates within a complex landscape characterized by strategic patent filings, potential patent thickets, and the importance of defensible claim scope. Legal and patent professionals should continue monitoring its prosecution history, counterpart patent filings, and potential challenges to maximize value and mitigate risks.


Key Takeaways

  • Scope Definition: The patent's strength hinges on the specificity of its claims; broad claims require rigorous validity support, while narrow claims enhance defensibility but limit market scope.
  • Patent Landscape Insights: The surrounding patent environment is competitive, with extensive prior art in pharmaceutical chemistry demanding precise claim drafting and strategic filing.
  • Geographic Strategy: While PT2233135 provides protection in Portugal, expanding to European and global markets is critical for maximizing commercial impact.
  • Legal Risks: Prior art, patent oppositions, and claim scope must be continually assessed to maintain enforceability.
  • Strategic Value: Complementing patent protection with clinical data, regulatory approval, and market strategy ensures sustained commercial advantage.

FAQs

1. What is the typical lifespan of a drug patent like PT2233135?
The standard patent term is 20 years from the earliest filing date, subject to maintenance fees and legal challenges. For PT2233135, this likely extends until approximately 2033–2035, assuming timely fees and no extensions.

2. How does Portugal's patent law influence the scope of PT2233135?
Portuguese patent law aligns with EPC standards, requiring novelty, inventive step, and industrial applicability. These criteria shape the claims' scope and strength.

3. Can PT2233135's claims be challenged or invalidated?
Yes. Competitors can challenge the patent based on prior art that predates its filing or shows obviousness, potentially leading to amendments or invalidation.

4. How important is patent landscaping in pharmaceutical patent strategy?
Crucial. It helps identify overlapping patents, potential freedom-to-operate issues, and opportunities for new filings, ensuring strategic positioning.

5. What should patent owners consider for expanding protection beyond Portugal?
Filing subsequent applications under the EPC, USPTO, or national filings in key markets, aligning claims with regional patent standards, and maintaining global patent families.


References

  1. European Patent Office. "European Patent Convention." https://www.epo.org/law-practice/legal-texts/html/epc/2016/03.html
  2. Portuguese Institute of Industrial Property. "Patent Law in Portugal." https://inpi.gov.pt/
  3. World Intellectual Property Organization. "Patent Landscape Reports." https://www.wipo.int/portal/en/index.html
  4. Patent databases such as Espacenet and Patentscope for prior art search and patent family analysis.

This report is intended for informational purposes and should be complemented with detailed legal and patent-specific consultation.

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