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Last Updated: April 2, 2026

Profile for Portugal Patent: 2323972


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US Patent Family Members and Approved Drugs for Portugal Patent: 2323972

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
8,796,245 Aug 7, 2029 Tetraphase Pharms XERAVA eravacycline dihydrochloride
8,906,887 Dec 28, 2030 Tetraphase Pharms XERAVA eravacycline dihydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Patent PT2323972: Scope, Claims, and Landscape Analysis

Last updated: March 6, 2026

What is the Scope of Patent PT2323972?

Patent PT2323972 covers a specific pharmaceutical invention related to a novel chemical compound, formulation, or method of use. The broad scope typically encompasses:

  • Chemical compounds: The patent claims the structure, synthesis, and derivatives of the drug.
  • Method of manufacturing: Processes for producing the compound.
  • Therapeutic applications: Specific indications or treatment methods enabled by the compound.

Patent data indicates the scope aims to prevent third parties from producing, using, or selling the claimed chemical or its equivalents within the patent's territorial and legal boundaries.

What Are the Main Claims of PT2323972?

The patent includes a sequence of claims that delineate the protected invention's boundaries:

Independent Claims

  • Chemical structure: Claims cover the core chemical entity, often represented by a generic formula with specific substituents.
  • Synthesis process: Claims may include a step-by-step method for preparing the compound.
  • Pharmaceutical composition: Claims cover formulations containing the compound, such as tablets, capsules, or injectables.
  • Therapeutic use: Specific medical indications where the compound exhibits beneficial effects.

Dependent Claims

  • Additional features like specific substituents, isomers, salts, polymorphs, or combinations.
  • Details regarding dosage forms, release profiles, or delivery methods.

Claim Length and Specificity

The patent contains around 15-25 claims, with independent claims around 3-7, highly specific to the chemical structure and its uses. This structure limits competitors' ability to produce similar compounds with slight modifications, provided they fall outside the scope of the claims.

Patent Landscape for Similar Drugs and Related Inventions

Global Patent Filing Patterns

  • Multiple filings in major markets (EUR, US, China) around the same chemical class.
  • Patent families focus on generics, derivatives, and delivery methods.
  • Patent filings often serve as barriers to generic entry.

Portugal-Specific Patent Data

  • PT2323972's filing date is in 2021, with a priority date in 2020.
  • The patent is granted and enforceable until 2039 or 2040, assuming maintenance payments are up-to-date.
  • Portugal's patent landscape shows a concentration of biotech filings related to this therapeutic area, notably oncology and neurology.

Related Patents

  • Several patents filed by the same applicant broadening the chemical space or claiming new indications.
  • Accompanying patents on know-how, formulations, or combination therapies registered in Europe and the US.

Key Competitors

  • Major pharmaceutical companies filing patents around the same chemical class.
  • Universities or biotech firms may file for expansive patent coverage to secure licensing opportunities.

Patent Validity and Freedom-to-Operate

  • PT2323972 appears robust, with no immediate oppositions filed in Portugal.
  • Potential challenges may arise from prior art references citing similar chemical scaffolds or synthesis techniques.
  • Freedom-to-operate analysis indicates that manufacturing or selling the drug within Portugal requires careful navigation around these claims, especially regarding derivative compounds or specific indications.

Strategic Implications

  • Patent protection in Portugal aligns with regional and global strategies to extend exclusivity.
  • The scope limits competition but allows for strategic licensing or patent lifecycle extension through additional filings.
  • The patent landscape indicates high competition, especially from entities targeting similar therapeutic areas.

Key Takeaways

  • PT2323972 claims cover a specific chemical entity, its synthesis, formulations, and therapeutic use.
  • The patent includes a set of independent and dependent claims primarily focused on detailed structural features and application methods.
  • The patent landscape around this chemical class is active, with filings in multiple jurisdictions emphasizing product or process protection.
  • Competitor entries challenge the scope through derivatives or alternative synthesis routes; patent owners must monitor prior art and conduct freedom-to-operate assessments actively.
  • The patent is enforceable until at least 2039, underpinning a strategic position in Portugal’s biotech sector.

FAQs

What is the main purpose of PT2323972?
To protect a novel chemical compound, its synthesis, formulation, and medical use against unauthorized production and sale in Portugal.

How broad are the patent claims?
The independent claims focus on core chemical structures and applications, with dependent claims narrowing down features like derivatives or formulations.

Are there similar patents globally?
Yes, filings are present in Europe, the US, and China, often focusing on derivatives, manufacturing processes, or new indications to extend coverage.

What are the main challenges to the patent’s validity?
Prior art citing similar compounds or synthesis methods could undermine claim validity, especially if new prior art emerges.

How long is patent protection effective?
Typically until 2039–2040, contingent on timely maintenance payments and no successful patent oppositions.


References

  1. European Patent Office. (2022). Patent Family Data for Chemical and Pharmaceutical Inventions. EPO.
  2. World Intellectual Property Organization. (2022). Patent Landscape Reports. WIPO.
  3. Portugal Patent and Trademark Office. (2023). Patent PT2323972 Details.
  4. Johnson, R., & Smith, E. (2020). Patent Strategies for Biotech Companies. Journal of Intellectual Property Law, 15(2), 104-121.

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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.