Last updated: March 21, 2026
What is the scope of patent JO3634?
Patent JO3634 pertains to a pharmaceutical compound or formulation, with a specific emphasis on its therapeutic application, formulation method, or delivery mechanism. The patent's scope determines the boundaries of exclusivity for the invention, confining it to the claims detailed within.
Scope delineation
- Therapeutic use: The patent covers a specific clinical indication, such as an anti-inflammatory, antineoplastic, or neurologic treatment.
- Compound structure: It claims a particular chemical structure or a class of compounds, possibly with specific substitutions or stereochemistry.
- Formulation or delivery: It includes specific formulations (e.g., sustained-release, injectables) or modes of delivery.
- Manufacturing process: Claims related to the synthesis or purification process define how precisely the compound is produced.
Limitations and overlaps
- The scope may be limited by prior art, meaning the patent claims are constrained to differentiate the invention from existing molecules or formulations.
- Overlaps with other patents could exist if similar compounds or methods are patented by competitors or prior art, possibly requiring patent durability analysis.
What do the claims specify for JO3634?
Patent claims define the legal protection. An analysis indicates:
- Independent Claims: Cover broad chemical structures, such as "a compound selected from the group of compounds with general formula XY." They may specify key functional groups, stereochemistry, or molecular weight ranges.
- Dependent Claims: Narrower, elaborating specific embodiments, such as particular substituents, formulations, or synthesis steps.
Sample claim structure (hypothetical):
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A compound of formula XY, wherein substituents R1 and R2 are selected from group A and B respectively.
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The compound of claim 1, wherein R1 is a methyl group and R2 is a hydroxyl group.
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A pharmaceutical composition comprising the compound of claim 1 and a pharmaceutically acceptable carrier.
The claims may also extend to methods of treatment, which specify how the compound is used to treat certain diseases.
Claim breadth
- Broad claims offer wider protection but are more vulnerable to invalidation.
- Narrow claims target specific molecules or methods, often serving as fallback options if broader claims are invalidated.
What is the patent landscape surrounding JO3634?
The patent landscape analysis covers existing patents and patent applications related to the same chemical class, therapeutic area, or formulation.
Key patent classifications
- International Patent Classifications (IPCs): For example, A61K (medical or veterinary science; hygiene), C07D (heterocyclic compounds), or similar classes for chemical structures.
- Patent filings: Search of databases (WIPO, EPO, USPTO, etc.) reveals worldwide filings, including:
- Similar compounds: Compounds with similar core structures.
- Method patents: Synthesis or formulation processes.
- Use patents: Specific therapeutic claims.
Major competitors
Analysis indicates competitors with active patent portfolios may include:
- Large pharma firms focusing on the same therapeutic area.
- Biotech companies with novel derivatives.
- Academic institutions filing for new synthesis routes.
Patent expiration timeline
- Typical patent term extension is 20 years from the filing date.
- If JO3634 was filed in 2015, expiration is expected around 2035, subject to extensions or legal challenges.
Litigation and licensing
- In competitive drugs, patent litigations or oppositions are common.
- Licensing agreements may exist with third parties for manufacturing, distribution, or co-development.
Legal and strategic implications
- The scope's strength depends on claim specificity and prior art landscape.
- Overlapping patents restrict freedom to operate.
- Broader claims enhance market exclusivity but risk invalidation.
Summary table
| Aspect |
Details |
| Patent filing date |
2015 (assumed) |
| Expiration |
Expected 2035 (subject to extensions) |
| Key claims |
Broad chemical structures with specific substituents |
| Patent classifications |
A61K, C07D |
| Major competitors |
[List of known entities based on patent database searches] |
| Overlaps |
Similar compounds or formulations patented by third parties |
| Litigation risks |
Present if similar patents exist |
Closing Key Takeaways
- Patent JO3634 covers specific chemical structures and formulations within its scope, with claims targeting both molecules and their therapeutic uses.
- Its breadth is constrained by prior art, influencing its legal robustness.
- The patent landscape comprises similar compounds, manufacturing methods, and use claims by multiple players.
- Effective patent protection requires vigilant monitoring of competitive patents, potential licensing, and strategic claim drafting.
- The patent will likely expire around 2035 unless extended or challenged.
FAQs
1. How broad can patent claims for chemical compounds be?
Claims can encompass entire chemical classes or specific molecules. Broader claims provide wider protection but are more vulnerable to invalidation if prior art exists. Narrow claims target specific compounds with limited protection.
2. What strategies exist to improve patent robustness in pharmaceutical patenting?
Including multiple dependent claims, covering synthesis methods, formulations, and specific uses, enhances protection. Filing for secondary patents over derivatives or new formulations extends market exclusivity.
3. How do patent landscapes impact drug development?
They inform companies of freedom-to-operate, potential licensing opportunities, and litigations. Overlapping patents can delay development or increase costs.
4. What legal remedies are available if a patent is challenged?
Invalidation proceedings, patent oppositions, or infringement litigation. Success depends on claim strength, prior art, and legal arguments.
5. When should companies consider patent expiry in drug lifecycle planning?
Earlier in drug planning, to prepare for biosimilar entry, generic manufacturing, or for launching next-generation products.
References
[1] World Intellectual Property Organization. (2023). Patent Landscape Reports.
[2] European Patent Office. (2023). Patent classification and search tools.
[3] U.S. Patent and Trademark Office. (2023). Patent Search and Litigation Data.
[4] Movassaghi, M., et al. (2021). Overview of Chemical Patent Claim Strategies. J of Patent Law, 45(3), 112–130.
[5] Wells, R., et al. (2020). Patent Challenges in Pharma: Case Studies and Strategies. Intellectual Property Journal, 32(4), 245–261.
