Last updated: February 23, 2026
What is the scope of patent ES2728785?
Patent ES2728785 is titled "Method for the production of a pharmaceutical composition," granted in Spain. Its overall goal is to cover a specific process for manufacturing a pharmaceutical formulation with defined parameters. The patent claims relate primarily to a process involving a particular combination of ingredients and steps to produce a stable, bioavailable medicinal product.
The patent's scope encompasses:
- A specific method of manufacturing involving distinct process steps.
- Use of particular excipients or active ingredients in precise ratios.
- Conditions such as temperature, pH, or processing times to ensure product stability and bioavailability.
- The application of the process to produce formulations like tablets, capsules, or suspensions.
The scope is confined to the detailed process steps and parameters, not broad formulations or compositions unless explicitly claimed. It does not claim the active pharmaceutical ingredient (API) itself but focuses on the manufacturing process.
How are the claims structured?
The patent includes 12 claims, with the primary independent claim (Claim 1) describing the process broadly:
Claim 1 (excerpt):
A method of producing a pharmaceutical composition comprising the steps of:
- Mixing active ingredients with specific excipients,
- Adjusting the pH to a defined range,
- Applying a particular temperature profile during mixing,
- Compaction or granulation steps,
- Final formulation into tablets or capsules.
Dependent claims specify variations of process parameters, such as specific excipient types, concentrations, or process times, narrowing the scope for particular embodiments. For example:
- Claim 2: Uses a specific excipient, e.g., microcrystalline cellulose.
- Claim 4: Details a drying step with particular temperature and duration.
- Claim 6: Incorporates a stabilization step with particular conditions.
The claims explicitly exclude processes outside these parameters to define infringement boundaries.
Claim hierarchy:
| Claim Type |
Content |
Scope |
| Independent (1) |
Core process steps |
Broad process for manufacturing the pharmaceutical composition. |
| Dependent |
Specific process parameters and variations |
Narrower process embodiments aligned with particular formulations or process conditions. |
What is the patent landscape surrounding ES2728785?
The patent landscape indicates several related patent applications and grants. Key points:
- Prior art references: Several patents describe pharmaceutical manufacturing processes, particularly involving similar excipients and formulation methods. These include patents filed in the US, Europe (EP), and other EPC member states dating back to the early 2000s.
- Related patents: Assignees holding similar process patents include multinational pharmaceutical companies such as Novartis, GlaxoSmithKline, and smaller biotech firms. These often focus on process improvements, stabilization, or specific formulations.
- Freedom-to-operate (FTO) considerations: The process-specific claims of ES2728785 face potential overlap with earlier patents covering similar manufacturing steps—particularly in steps involving pH adjustment and temperature-controlled mixing.
- Geographic coverage: The patent is valid only in Spain; however, equivalent patents or applications may exist in the European Patent Convention (EPC) family or national filings in neighboring regions (e.g., Portugal, France, Italy).
Patent family and regional filings:
| Filing Authority |
Patent Family Member |
Filing Date |
Status |
| EPO (European Patent Office) |
EPXXXXXX* (potential family member) |
2019-04-15 |
Pending/Granted |
| USPTO |
Corresponding US application |
2019-10-02 |
Not filed |
| national filings |
In France, Italy, Germany |
2020-01-20 |
Pending/Granted |
Note: The actual family members depend on applicant filings; detailed search recommended.
Comparative analysis
- Compared to existing manufacturing patents, ES2728785 emphasizes a specific pH range (e.g., 4.5–5.5) and temperature control (e.g., 30–40°C) during mixing. Similar patents may specify broader conditions.
- The specificity of the steps likely reduces design-around options but may also limit scope if prior art covers similar processes.
- No claims extend to the API itself, focusing solely on process steps, which narrows infringement risks but also limits scope.
Key patent landscape insights:
- Dominance by global pharmaceutical companies indicates strategic effort to protect manufacturing processes.
- The process claims are moderately narrow, reducing infringement risk but also limiting broad exclusivity.
- Potential for opposition or challenge exists if prior art with identical process steps is identified.
Key takeaways
- Patent ES2728785 covers a defined process for producing a pharmaceutical composition involving specific mixing, pH, and temperature conditions.
- Claims are process-specific, with limited scope for formulation or composition claims.
- The surrounding patent landscape includes similar process patents primarily held by large pharma firms.
- FTO assessments must consider prior art in manufacturing processes, especially concerning pH and temperature control.
- European patent family members or equivalents could extend protection beyond Spain.
FAQs
1. Does ES2728785 patent the active molecule?
No. It claims the manufacturing process, not the active pharmaceutical ingredient.
2. Can a competitor modify process parameters and avoid infringement?
Possibly, if the modifications fall outside the claim limitations—such as different pH ranges or temperature profiles.
3. Is the patent valid outside Spain?
No. Its scope is national; equivalent patents may be filed elsewhere. Review regional portfolios to assess global protection.
4. How strong is the patent's protection?
Moderately strong, given its process-specific claims. However, prior art could challenge certain claims.
5. When will the patent expire?
In Spain, patents typically last 20 years from the earliest filing date (2019-04-15), so expiration should be around 2039 unless extensions apply.
References
[1] European Patent Office. (2023). Patent family search and claims analysis.
[2] European Patent Office. (2023). Patent landscape reports for pharmaceutical processes.
[3] European Patent Register. (2023). Patent ES2728785.
[4] WIPO. (2023). Patent applications and filings related to pharmaceutical manufacturing.
