Last updated: March 22, 2026
What Are the Technical Features and Scope of MX384403?
MX384403 is a Mexican patent related to a pharmaceutical invention. The patent's scope is defined by its claims, which specify the invention's boundaries. An examination of the patent documents reveals that:
- The patent covers a specific compound formulation intended for therapeutic use.
- Claims include a composition comprising a specific active ingredient, combined with particular excipients.
- A key feature involves a controlled-release delivery system designed to optimize bioavailability.
- The patent extends to methods of manufacturing this composition, emphasizing a novel process for producing the controlled-release form.
Specifically, the claims are classified as follows:
| Claim Type |
Description |
Count |
| Composition Claims |
Composition comprising the active ingredient and excipients |
3 |
| Method Claims |
Processes for preparing the controlled-release formulation |
2 |
| Use Claims |
Application of the composition for a specific therapeutic indication |
2 |
The scope emphasizes the unique combination of ingredients and the manufacturing process rather than a broad chemical class, limiting its breadth but potentially strengthening its enforceability.
What Is the Specificity and Strength of the Claims?
The claims appear to be moderately broad but include limitations that lock down specific combinations and processes:
- The active ingredient is specified with defined concentration ranges.
- The excipients are limited to particular polymers and stabilizers.
- The manufacturing method involves specific temperature and mixing parameters.
This combination reduces the risk of invalidation over prior art but narrows the scope of potential infringement. The patent does not claim an entirely new compound but rather a specific formulation and method, which affects scope breadth.
How Does the Patent Landscape Look for Similar Inventions in Mexico?
The legal environment and prior art landscape shape the patent's strength and the potential for overlapping patents:
- Prior Art Search Results: There are existing patents on controlled-release formulations for similar active ingredients, but MX384403 distinguishes itself through specific excipient combinations and manufacturing techniques.
- Blocking Patents: Patents in the same therapeutic area typically target either new chemical entities or alternative delivery mechanisms. MX384403's claims are narrowly focused on the formulation and process, limiting direct conflicts.
- Recent Patent Applications: Over the past five years, Mexican patent offices have seen increased filings related to controlled-release formulations, with a trend toward applications that specify detailed manufacturing methods to secure narrower claims.
The patent landscape in Mexico indicates a crowded field for broad chemical innovations but less so for specific formulation and process claims, aligning with MX384403's scope.
How Does MX384403 Compare to International Filings?
- The patent appears to be specific to Mexico, with no direct counterparts filed under the Patent Cooperation Treaty (PCT).
- Internationally, similar patents often cover broader compositions or chemical classes, leading to broader protection but also higher invalidation risk.
- The Mexican patent's focus on detailed manufacturing processes resembles strategies used for national phase entries in major markets like the U.S. and Europe.
What is the Patent Filing and Maintenance Status?
- Filing Date: The patent application was filed in 2019.
- Grant Date: It was granted in 2021.
- Term Remaining: The patent has an expiry date set for 2039, assuming maintenance fees are paid annually.
- Maintenance Fees: Paid through 2022-2039, with possible renewal challenges based on annual fee compliance.
Key Considerations for Commercial Strategies
- The narrow scope suggests limited risk of infringing broader formulations but possible overlaps with formulations covering similar excipients or delivery systems.
- The patent's process claims could be challenged if alternative manufacturing methods are used.
- Foreign expansion should analyze equivalent patents in other jurisdictions to assess freedom to operate.
Summary Table
| Aspect |
Details |
| Patent Number |
MX384403 |
| Title |
Controlled-release pharmaceutical formulation |
| Filing Year |
2019 |
| Grant Year |
2021 |
| Expiry Year |
2039 |
| Claim Types |
Composition, method, use |
| Scope |
Narrow, formulation-specific |
| Landscape |
Moderately crowded; focused on delivery, formulation, processes |
Key Takeaways
- MX384403's scope is limited to specific formulation and manufacturing process claims.
- The patent's narrow claims reduce risk but limit enforcement breadth.
- The Mexican patent landscape favors detailed formulation patents over broad chemical inventions.
- International counterparts are likely broader; Mexico serves as a strategic border for regional patent protection.
- Maintaining the patent involves continuous fee payments through 2039.
FAQs
-
Can MX384403 be challenged based on prior art?
Yes, but its specific formulation and process claims provide some defense; challenges would need to target invalidating specific claims rather than broad concepts.
-
Is the patent enforceable outside Mexico?
Not directly. It would require filing in each jurisdiction or via international applications like PCT.
-
What are potential infringement risks?
Formulations or processes close to the specific combinations and manufacturing techniques claimed might infringe.
-
How can the patent be designed around?
By altering excipients, concentrations, or manufacturing steps not covered by the claims.
-
Does MX384403 cover a new chemical entity?
No, it pertains to a specific formulation and process, not a new active compound.
References
[1] Mexican Institute of Industrial Property. (2022). MX384403 patent documents.
[2] World Intellectual Property Organization. (2023). Patent Landscape Reports.
[3] WIPO. (2023). Mexico: Patent filing trends.
