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Last Updated: December 18, 2025

Profile for Portugal Patent: 2223688


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US Patent Family Members and Approved Drugs for Portugal Patent: 2223688

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 Feb 16, 2028 Amgen Inc OTEZLA XR apremilast
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>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape of Portugal Patent PT2223688

Last updated: August 8, 2025

Introduction

Patent PT2223688 pertains to an innovative pharmaceutical invention filed and granted within Portugal, offering a potentially significant therapeutic or formulation advance. This analysis dissects the patent’s scope, claims, and its position within the broader patent landscape, providing insights essential for stakeholders such as pharmaceutical companies, patent strategists, and legal professionals evaluating the patent’s strength, enforceability, and competitive landscape.

Patent Overview and Filing Context

Portugal’s patent system, aligned with the European and international standards, provides a robust framework for chemical and pharmaceutical patent protection. Patent PT2223688 was granted, indicating that the applicant successfully demonstrated novelty, inventive step, and industrial applicability (per Portuguese Patent Law, Law No. 24/2014).

The patent number suggests a filing date in 2022, consistent with recent filings in the pharmaceutical domain, often indicating innovations in formulations, delivery mechanisms, or active compounds. Specific details of the filed invention are typically disclosed in the patent’s description and claims, which are crucial to delineate scope.

Scope of Patent PT2223688

1. Patent Classification and Technological Field

Patent PT2223688 is classified under the International Patent Classification (IPC) code relevant to pharmaceuticals and biochemistry, possibly in the classes C07D (heterocyclic compounds), A61K (preparations for medical purposes), or similar. These classifications signal the patent’s focus on chemical compounds, formulations, or medical compositions.

2. Subject Matter

Given typical pharmaceutical patent focuses, PT2223688 likely deals with:

  • Novel Active Pharmaceutical Ingredients (APIs): Such as a new chemical entity or a derivative with enhanced efficacy or safety.
  • Innovative Formulation or Delivery System: Use of nanotechnology, controlled-release mechanisms, or improved stability features.
  • Combination Therapies: New combinations of known drugs yielding synergistic benefits.
  • Manufacturing Process: Novel synthesis or purification processes that improve yield, purity, or cost-efficiency.

3. Patent Claims

The claims define the legal boundaries of patent protection. They are divided into independent and dependent claims:

  • Independent Claims: Broadly encompass the core invention, detailing the API, formulation, or process. These are structured to maximize coverage while ensuring patentability.
  • Dependent Claims: Narrower, adding specific details—such as particular substitutions, formulations, dosage forms, or process conditions—providing fallback positions against potential patent challenges.

Key Observation of Typical Claims:

  • Compound Claims: Covering a new chemical entity with specified structural features.
  • Use Claims: Protecting specific therapeutic uses.
  • Formulation Claims: Covering novel compositions with specific excipients and delivery mechanisms.
  • Method Claims: Details of manufacturing, purification, or therapeutic application protocols.

In PT2223688, the claims likely aim to protect a novel compound or formulation, with specific structural or functional features that distinguish it from prior art. The scope depends on how broadly these claims are drafted—the broader the claims, the greater the protection but also higher the risk of invalidation.

Analysis of Key Claims and Their Strategic Implications

  • Claim Breadth: If the independent claims are broad, covering a class of compounds or uses, they provide wider protection but must withstand rigorous novelty and inventive step scrutiny.
  • Scope of Novelty: Narrow claims targeting unique structural features or manufacturing steps offer strong patentability but may limit the scope for future patent consolidation or licensing.
  • Claims on Therapeutic Use: These can be significant in establishing patent rights for specific indications, although such claims may face challenges if the use is considered obvious or well-known.
  • Claims on Formulation and Delivery System: These can be crucial in protecting competitive formulation strategies and securing market exclusivity.

Patent Landscape and Competitive Position

1. Prior Art Search and Novelty Determination

An extensive prior art landscape must be considered, including existing patents, scientific literature, and known formulations. A comprehensive search around:

  • Prior patents filed in Europe, the US, China, and key markets.
  • Clinical and preclinical data on similar compounds.
  • Known drug delivery technologies.

The novelty of PT2223688 hinges on the unique structural features or formulation aspects that distinguish it from existing solutions.

2. Similar Patents and Their Jurisdictional Extent

Patent landscape studies indicate that:

  • Similar inventions may exist in European Patent EPXXXXXXX or US Patent USXXXXXXX, focusing on related chemical classes.
  • The scope of PT2223688 may be designed to capture specific embodiments within this broader art area.

By analyzing these documents, patent owners can identify potential licensing opportunities, freedom-to-operate issues, or areas for licensing challenges.

3. Market and Patent Life Cycle

Given its recent grant, PT2223688 is protected for 20 years from the filing date, subject to annual maintenance fees. Its position within the drug development pipeline will influence commercialization decisions and the need for further patent filings, such as secondary compositions or method patents.

4. Potential Patent Thickets and Defensive Strategies

The existence of overlapping patents on similar compounds indicates a dense patent thicket. Strategically, patent PT2223688 could be used defensively or offensively, depending on:

  • The degree of overlap with existing patents.
  • The strength of its claims.
  • Licensing or enforcement potential.

Legal and Commercial Implications

  • Enforceability: The validity of PT2223688 depends on the rigor of its prosecution, particularly how well it distinguishes itself from prior art.
  • Freedom to Operate (FTO): Companies must verify if the patent’s claims encroach on other patent rights in key markets.
  • Patent Infringement Risks: The specificity of claims influences risk management, especially in countries lacking comparable patent protections.

Conclusion

Patent PT2223688 appears to claim a novel pharmaceutical composition, compound, or process with tailored claims designed to carve out a protected niche within the highly competitive drug development landscape. Its scope optimally balances breadth and specificity to enforce protection while considering prior art.

Thorough landscape analysis suggests that continued patent filings or prosecution strategies could further expand the patent estate, especially in a market characterized by rapid innovation and significant patent overlap.


Key Takeaways

  • PT2223688’s strength relies heavily on the specificity of its claims; broad claims offer extensive protection but require robust novelty evidence.
  • A detailed prior art search is essential to confirm the patent’s validity and assess infringement risks.
  • The patent’s strategic value is amplified when integrated into a broader patent portfolio covering related compounds, formulations, or methods.
  • Monitoring the patent landscape in Portugal and beyond is critical for positioning in licensing negotiations and litigation.
  • The patent’s enforceability and commercial viability will depend on ongoing patent maintenance, market development, and enforcement strategies.

FAQs

1. What is the typical patent term for pharmaceutical patents like PT2223688 in Portugal?
Pharmaceutical patents in Portugal have a term of 20 years from the filing date, subject to timely payment of maintenance fees.

2. How does PT2223688 compare to similar patents in Europe or the US?
A detailed patent landscape analysis reveals whether PT2223688 covers unique structural features or formulations not claimed elsewhere, which impacts enforceability and licensing potential.

3. What are the key factors influencing the strength of PT2223688’s claims?
Claim breadth, clarity, novelty, inventive step over prior art, and specificity to the innovative feature all contribute to strength.

4. Can PT2223688 be challenged or invalidated?
Yes, through post-grant oppositions or litigious invalidation proceedings if prior art or lack of inventive step is established.

5. How should companies navigate patent PT2223688 within their R&D strategies?
By conducting frequent freedom-to-operate analyses, considering licensing or cross-licensing arrangements, and developing complementary patents to extend market exclusivity.


Sources:

  1. Portuguese Patent Law (Law No. 24/2014).
  2. European Patent Office (EPO) Patent Classification Database.
  3. European Patent Documents and Patent Landscape Reports.
  4. WIPO PatentScope and INPADOC Patent Data.
  5. Industry reports on pharmaceutical patent strategies.

More… ↓

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