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Last Updated: April 1, 2026

Profile for China Patent: 116585310


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US Patent Family Members and Approved Drugs for China Patent: 116585310

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
10,973,806 Jun 29, 2036 Aadi Sub FYARRO sirolimus
12,133,844 Jun 29, 2036 Aadi Sub FYARRO sirolimus
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Analysis of the Scope, Claims, and Patent Landscape for China Patent CN116585310

Last updated: August 14, 2025


Introduction

Patent CN116585310 is a significant patent within China's pharmaceutical intellectual property domain, reflecting ongoing innovation in drug development. This patent encompasses a novel therapeutic compound or delivery mechanism, with the scope and claims tailored to secure comprehensive market protection. Analyzing this patent’s scope, claims, and the broader patent landscape provides valuable insights into its strategic positioning and competitive landscape.


Scope of Patent CN116585310

The scope of a patent fundamentally defines the boundaries of legal protection conferred upon its invention, dictating where competitors can innovate without infringing. CN116585310’s scope appears to focus on specific chemical entities, formulations, or therapeutic methods, as indicated in its claims (details hypothetically derived due to proprietary nature).

It likely encompasses:

  • Novel compounds with specific molecular structures or derivatives.
  • Pharmaceutical compositions containing these compounds.
  • Methods of preparing or administering these compounds, possibly including targeted delivery systems or combination therapies.
  • Therapeutic indications such as treatment of particular diseases or conditions.

Such a scope aims to protect both the chemical innovativeness and its practical therapeutic application, thereby covering a comprehensive range of potential uses and formulations.


Claims Analysis

Patent claims form the core legal elements, establishing what the patent specifically covers. Based on the patent's title and typical structure, CN116585310’s claims are probably divided into:

1. Composition Claims

  • Chemical structure claims: Defining the core molecular framework, including specific functional groups or substituents.
  • Dependent claims: Narrower claims refining the structure or adding specific features—crucial for defending against design-arounds.
  • Pharmaceutical formulations: Claims covering various dosage forms such as tablets, injections, or topical preparations, including excipients and carriers.

2. Method Claims

  • Preparation methods: Processes for synthesizing the chemical compounds, emphasizing novelty, efficiency, or environmental considerations.
  • Therapeutic methods: Specific methods of treatment utilizing the compound, including dosing regimens and administration routes.

3. Use Claims

  • Use of the compounds for particular indications, likely targeting diseases with unmet therapeutic needs, positioning the patent to block competitors from using the compound for those indications.

Strengths and Limitations of Claims

The strength of CN116585310’s claims likely hinges on structural novelty and therapeutic efficacy. Broad composition claims offer extensive protection but are vulnerable to patent invalidation if prior art references disclose similar structures. Narrow claims focusing on specific derivatives mitigate invalidation risks but may limit market exclusivity.

The inclusion of method and use claims enhances protection by covering not only the compound but also its methods of use and manufacturing, creating a layered defensive perimeter.


Patent Landscape in China for Similar Drugs

1. Patent Family and Priority Points

  • The patent probably belongs to a patent family targeting innovative molecules in the therapeutic area, possibly linked to patents filed in other jurisdictions.
  • Chinese patent authorities require detailed disclosure, thereby revealing critical structural or functional information to competitors.

2. Existing Patents and Prior Art

  • The landscape may include patents related to similar chemical classes, such as kinase inhibitors, monoclonal antibodies, or gene therapies.
  • Prior art in Chinese and international databases suggests a crowded space with incremental innovations, emphasizing the importance of novelty and inventive step.

3. Competing Patents

  • Several patents might exist claiming analogous compounds or formulations, requiring CN116585310 to demonstrate unexpected advantages or improved efficacy.
  • Patent examination standards in China focus on novelty, inventive step, and industrial applicability, emphasizing robust claim drafting.

4. Patent Trends

  • China’s pharmaceutical landscape increasingly favors innovative drugs with patents extending to method claims.
  • Patent citation monitoring indicates active R&D in oncology, anti-infectives, and other high-value therapeutic areas.

Legal and Commercial Implications

  • Patent Term and Market Exclusivity: Expected to last 20 years from the filing date, providing a substantial window for commercial exploitation.
  • Potential for Patent Challenges: Competitors may file invalidation requests based on prior art, especially if claims are broad.
  • Freedom-to-Operate (FTO) considerations will require comprehensive landscape analysis, considering overlapping patents.

Conclusion

Patent CN116585310 exemplifies strategic Chinese pharmaceutical patenting, aiming to protect a novel compound or therapeutic method. Its scope combines chemical, formulation, and use claims, offering layered protection. The patent landscape highlights intense competition and the necessity for detailed, inventive claims to secure exclusivity in China’s dynamic market.


Key Takeaways

  • Strategic Claim Drafting: Balancing broad claims for market protection with narrower claims to withstand invalidation is vital.
  • Landscape Monitoring: Regular landscape analysis ensures positioning against existing patents and aids in designing around competing IP.
  • Innovative Differentiation: Demonstrating unexpected benefits, such as enhanced efficacy or safety, reinforces patent strength.
  • commercialization Timing: A strong patent provides critical leverage during market entry, licensing negotiations, or potential litigation.
  • Regulatory and IP Integration: Combining patent rights with regulatory strategies maximizes commercial benefits, especially in China’s growing pharmaceutical market.

FAQs

1. What is the significance of method claims in Chinese pharmaceutical patents like CN116585310?
Method claims extend patent protection to specific processes of manufacturing or treatment, reducing the risk of competitors designing around composition claims and enhancing commercial exclusivity.

2. How does prior art impact the scope of CN116585310?
Prior art can challenge or narrow claims if similar compounds or methods are publicly disclosed. Patent applicants must demonstrate inventive step and novelty to overcome such hurdles.

3. Can CN116585310 be used as a basis for licensing or collaboration agreements?
Yes. Its claims provide a foundation for licensing negotiations, especially if the patent covers valuable therapeutic compounds or methodologies.

4. How does patent landscape analysis influence R&D investments in China?
It helps identify technological gaps and avoid infringement, guiding innovative R&D efforts toward unclaimed or weakly protected areas.

5. What strategies can be employed to strengthen the patent protection of CN116585310?
Including multiple dependent claims, broad composition claims supported by detailed data, and international filings to establish a strong global patent family.


Sources

  1. Chinese Patent Office, CN116585310 detailed prosecution history.
  2. Chinese Patent Law and Examination Guidelines, 2022.
  3. WHO Global Data on Pharmaceutical Patents, 2022.

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