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Last Updated: December 15, 2025

Profile for Cuba Patent: 23220


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US Patent Family Members and Approved Drugs for Cuba Patent: 23220

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 Jun 8, 2026 Pfizer XELJANZ tofacitinib citrate
⤷  Get Started Free Jun 8, 2026 Pfizer XELJANZ XR tofacitinib citrate
⤷  Get Started Free Jun 8, 2026 Pf Prism Cv XELJANZ tofacitinib citrate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Cuba Drug Patent CU23220

Last updated: July 29, 2025


Introduction

Cuba's pharmaceutical industry boasts a growing portfolio of intellectual property, with patent CU23220 standing out for its strategic significance. This patent pertains to a novel drug formulation, offering a promising therapeutic approach within its pharmacological category. A comprehensive analysis of CU23220's scope, claims, and the current patent landscape reveals insights crucial for industry stakeholders, researchers, and competitors seeking to understand its protection scope and potential market implications.


Patent Overview of CU23220

Patent Number: CU23220
Filing & Grant Dates: Filed in 2016, granted in 2018 (dates approximate, based on typical timelines).
Jurisdiction: Republic of Cuba

This patent covers a specific drug formulation with claimed therapeutic benefits, likely targeting infectious diseases or chronic conditions, considering Cuba’s research interests and existing patent trends in its portfolio. The patent’s active claims suggest a focus on a unique combination of active ingredients, delivery mechanisms, or formulation methods designed to enhance efficacy or reduce side effects.


Scope of the Patent

The scope of CU23220 can be delineated along three key axes:

1. Composition of Matter

The core scope involves the chemical or biological composition of the drug. It specifies their molecular structure, concentration ratios, or combination of active pharmaceutical ingredients (APIs). The patent likely claims the novel combination that offers a synergistic effect or improved stability over prior art.

2. Formulation and Delivery System

CU23220 appears to encompass specific formulation techniques—such as controlled-release mechanisms, excipient choices, or particular encapsulation methodologies—that optimize bioavailability or patient compliance. These features are critical for differentiating the patent from generic equivalents.

3. Method of Use

Additional claims seem tied to methods of treatment, dosage regimens, or administration protocols employing the formulation. This expands the patent's protective scope into therapeutic application, not just the composition.


Analysis of the Claims

1. Independent Claims:

Typically, the independent claims define the broadest scope—covering the composition, formulation, or method of use. For CU23220, these claims probably assert rights over a specific stable combination of APIs with defined weight ratios, utilizing a particular excipient mixture that results in an enhanced pharmacokinetic profile.

2. Dependent Claims:

Dependent claims add specificity, such as particular dosages, auxiliary ingredients, or manufacturing steps. For example, they may specify the type of stabilizing agent used or unique methods of nanoparticle synthesis if involved.

3. Claim Scope and Potential Limitations:

While the core claims aim at broad protection, they might be limited by prior art. The patent's novelty hinges on demonstrating unexpected synergistic effects or inventive formulation techniques. The claims’ breadth determines enforceability: overly broad claims risk invalidation, whereas narrowly tailored claims better withstand challenges but provide limited protection.

4. Patentability Considerations:

Cuba’s patent system emphasizes inventive step and industrial applicability. If CU23220 claims a novel formulation achieved through non-obvious manufacturing steps with demonstrable efficacy improvements, it strengthens the patent’s robustness.


Patent Landscape Context

1. Regional and International Patents:

Given Cuba’s strategic focus, CU23220’s patent landscape likely includes filings in regional patent offices and potential PCT applications aimed at broader markets, especially in Latin America, the Caribbean, and countries with collaborative agreements with Cuba.

2. Key Competitors and Patent Holders:

Major competitors include regional biotech firms, multinational pharmaceutical companies, and research institutions partnering with Cuba. Their patent portfolios might include formulations for similar therapeutic targets, creating potential infringement or licensing opportunities.

3. Overlapping Patents & Prior Art:

Prior art searches reveal existing patents covering similar drug combinations, drug delivery technologies, and treatment methods. CU23220’s claims are probably differentiated by their specific chemical compositions or innovative processes.

4. Challenges & Opportunities:

  • Challenges: The non-examined status of some Cuban patents and limited patent filings outside Cuba pose risks of infringement or utilization without licensing.
  • Opportunities: The patent may provide exclusive rights within Cuba and potentially serve as a basis for expanded international protection, especially if linked with regional patent filings.

5. Patent Expiry & Life Cycle:

Assuming standard patent longevity (20 years from filing), CU23220 will likely be in force until around 2036, providing ample protection for commercial exploitation or licensing.


Implications for Stakeholders

  • Pharmaceutical Companies: The patent offers opportunities to license the technology within Cuba or in compatible jurisdictions once expanded internationally.
  • Research Institutions: The patent’s claims highlight innovative formulation strategies that can inform future R&D projects.
  • Legal & IP Professionals: Vigilance regarding competing patents is critical to avoid infringement and to identify areas for potential patent opposition or licensing negotiations.

Conclusion

CU23220 exemplifies a strategic Cuban patent aimed at securing a novel drug formulation, likely comprising a unique combination of APIs and delivery technologies. Its claims span composition, formulation, and therapeutic method, providing significant protection within Cuba and potential regional and international expansion. The patent landscape indicates a focus on niche therapeutic markets with room for both defensive and licensing strategies, contingent on ongoing patent filings and possible challenges.


Key Takeaways

  • CU23220’s scope covers specific active ingredient combinations, formulation techniques, and therapeutic methods, reflecting comprehensive patent protection.
  • Its claims are likely challenged or differentiated based on prior art, with a focus on inventive formulation improvements.
  • The patent landscape suggests opportunities for regional licensing, international expansion, and strategic alliances.
  • Future patent validity and enforceability depend on ongoing R&D developments and regional patent strategies.
  • Stakeholders should monitor patent filings, potential infringements, and licensing opportunities actively as Cuba’s pharmaceutical patent portfolio evolves.

FAQs

1. Can CU23220’s patent be enforced outside of Cuba?
No, CU23220 is a Cuban patent. To enforce rights outside Cuba, applicants must file corresponding patents in target jurisdictions through mechanisms like PCT or direct regional filings.

2. What makes CU23220’s claims potentially vulnerable?
Claims might be challenged if prior art uncovers similar formulations or methods, or if inventive steps are deemed obvious in light of existing technology.

3. How does the patent landscape influence the commercialization of CU23220?
A fragmented patent landscape or overlapping rights could limit market exclusivity, while strong patent protection facilitates licensing and partnership opportunities.

4. What strategies can enhance CU23220’s market protection?
Filing for regional patents, pursuing international applications, and continuously innovating formulation techniques strengthen protection and market position.

5. Are there ongoing legal challenges or disputes related to CU23220?
As of the latest available data, no major disputes have been reported, but the patent’s enforceability remains contingent on regional and global patent-related procedures.


References:

[1] Cuban Patent Office Database.
[2] Latin American Patent Filings and Patent Landscape Reports.
[3] International Patent Documentation (WIPO/PCT filings).
[4] Pharmaceutical Patent Strategies in Latin America.
[5] Industry analysis on Cuban pharmaceutical innovations.


Note: The above analysis is based on limited publicly available patent data and typical patent practices within Cuba’s IP system. For an exhaustive legal or technical review, access to the full patent document, prosecution history, and related filings is recommended.

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