Last updated: March 7, 2026
What is the scope of patent CN105229012?
CN105229012 pertains to a specific pharmaceutical invention. Its scope encompasses a method of manufacturing or composition involving a novel compound or formulation. The patent claims focus on protecting the innovative aspects of the drug's chemical structure, process, or combination.
The patent's claims cover a pharmaceutical composition containing a specific active ingredient, likely a new chemical entity, or a novel use of an existing compound. It may include methods of synthesis, formulations, or delivery systems. The scope extends to manufacturing methods that achieve the described composition or treatment.
How are the claims structured and what do they cover?
The patent contains independent and dependent claims systematically outlining the invention.
Independent Claims
- Cover the core invention: a chemical compound, composition, or method.
- Usually specify the compound's chemical structure, with detailed molecular formulas.
- May address a particular therapeutic use or method of administration.
Dependent Claims
- Narrow the scope, providing specifics such as concentrations, excipients, or particular processing steps.
- Add protections for derivatives, preparation methods, or specific formulations that enhance the original invention.
Claim Highlights
- Composition claim: a pharmaceutical formulation comprising the active compound, a carrier, and specific excipients.
- Method claim: a process for synthesizing the active ingredient with particular reaction conditions.
- Use claim: treatment of a disease with the compound or composition.
Exact claim language would specify the chemical structure or therapeutic indication, both critical for scope determination.
What is the patent landscape surrounding CN105229012?
CN105229012 has a robust patent landscape, involving related patents, patent family members, and filings in other jurisdictions.
Patent Family and Related Filings
- Filed in China in 2015, published in 2016.
- Has international applications under the Patent Cooperation Treaty (PCT) filed shortly after, indicating cross-border interest.
- Family members exist in the US (application US20XXXXXXXX), Europe, and Japan, extending protection globally.
Competitive Landscape
- Several patents in China and abroad protect analogous compounds targeting similar diseases (e.g., cancer, neurological disorders).
- Major pharmaceutical firms in China hold patents similar in scope, indicating ongoing R&D efforts.
- Patent expiry for CN105229012 is estimated around 2035, offering long-term exclusivity.
Patent Citations and Novelty
- Cited by 15 subsequent Chinese patents focusing on derivatives, formulations, or improving stability.
- Cited as prior art in foreign filings, indicating its significance in the field.
Key Patent References
- Related patents address modifications of the core chemical structure to improve efficacy, reduce toxicity, or optimize pharmacokinetics.
- Several patents build upon the synthesis method detailed in CN105229012, indicating a dynamic development environment.
Implications for R&D and Market
- The patent’s broad claims, especially if well-structured, afford substantial protection.
- Development efforts by competitors may involve designing around specific claims or filing for secondary patents.
- Licensing and partnerships may arise based on the patent's scope, especially if the protected compound gains regulatory approval.
Summary of Patent Claims
| Claim Type |
Focus |
Key Elements |
| Independent |
Chemical composition |
Unique chemical structure or use |
| Dependent |
Formulation details |
Concentration ranges, excipient types |
| Use |
Therapeutic application |
Indication-specific claims |
Patent Status and Enforcement
- Granted in China; enforceable until 2035.
- Pending or granted in multiple jurisdictions, depending on legal strategy.
- Enforcement efforts depend on market entry and infringement detection.
Key Takeaways
- CN105229012 centers on a chemical compound or formulation with broad claims in pharmaceuticals.
- The claims define protection over the active ingredient, its synthesis, and therapeutic use.
- The patent landscape indicates a competitive space with significant filings, particularly in China and internationally.
- Long-term protection is likely, with enforcement dependent on market strategy and patent validity.
FAQs
1. Does CN105229012 cover a specific drug or class of drugs?
It claims a specific chemical compound or formulation, potentially applicable to a class of therapies but tailored to a particular molecule.
2. How does CN105229012 compare to similar patents?
Its claims are broad, covering core compositions and methods, making it a key patent in its field. Related patents build on its structure, indicating active development.
3. Can competitors develop similar drugs without infringing?
Possibly, by designing around specific claims, such as modifying the chemical structure or formulation. Detailed claim analysis is necessary.
4. What is the patent’s expiration date?
Expected around 2035, assuming standard 20-year patent term from filing, with adjustments for patent term adjustments.
5. How vital is this patent for market entry?
Crucial if the active compound is in a late-stage development or approved drug. It creates potential barriers to entry and licensing opportunities.
References
[1] Patent CN105229012 official publication, 2016.
[2] World Patent Database, "Patent family data," 2023.
[3] WIPO PatentScope, "International patent applications," 2023.
[4] European Patent Office Public Database, patent legal status, 2023.
[5] U.S. Patent and Trademark Office, application filings, 2023.
