Profile for Japan Patent: 2019196398

US Patent Family Members and Approved Drugs for Japan Patent: 2019196398

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
10,500,208	Sep 18, 2035	Heron Theraps Inc	APONVIE	aprepitant
10,500,208	Sep 18, 2035	Heron Theraps Inc	CINVANTI	aprepitant
10,953,018	Sep 18, 2035	Heron Theraps Inc	APONVIE	aprepitant
10,953,018	Sep 18, 2035	Heron Theraps Inc	CINVANTI	aprepitant
12,290,520	Sep 18, 2035	Heron Theraps Inc	APONVIE	aprepitant
12,290,520	Sep 18, 2035	Heron Theraps Inc	CINVANTI	aprepitant

Japan Patent JP2019196398: Scope, Claims, and Patent Landscape

Last updated: February 21, 2026

What Is the Scope of Patent JP2019196398?

JP2019196398 is a patent application filed in Japan that covers a pharmaceutical compound, formulation, or method. The document targets specific therapeutic applications, potentially involving a novel molecular entity or an Innovative formulation of an existing drug. The scope is primarily defined by:

• The chemical structure or class of the compound.
• The intended therapeutic use or method of treatment.
• Specific formulations or delivery methods.

The total scope encompasses the claims' claim language, which explicitly details the product or process protected.

How Are the Claims Structured?

Types of Claims

The application comprises two main types:

• Independent claims: Define the core invention, such as a chemical compound, method of use, or formulation.
• Dependent claims: Narrow down the independent claims, adding specific embodiments, such as particular substitutions, dosage ranges, or administration methods.

Typical Claim Elements

• Chemical formula: The core molecule protected, potentially with substituents or stereochemistry.
• Method claims: Including methods of treating diseases utilizing the compound.
• Formulation claims: Covering pharmaceutical compositions containing the compound.
• Therapeutic indications: Target diseases such as cancers, neurological conditions, or infections.

Example Claim (Hypothetical Based on Patent Norms)

"A compound having the chemical structure of formula I, or a pharmaceutically acceptable salt, hydrate, or solvate thereof, for use in treating [specific disease]."

This type of claim confines scope to the compound's structure and its use, affording protection against similar molecules with minor variations.

Patent Landscape for Similar Compounds and Therapeutics in Japan

Key Competitors and Patent Holders

• Major pharmaceutical companies: Targeting similar molecular classes or therapeutic indications.
• Research institutions: Holding foundational patents on compound classes or methods.
• Patent clusters: Multiple filings around core scaffolds or mechanisms of action, creating a crowded landscape.

Patent Filing Trends

• Increased filings between 2015-2022: Reflects active R&D in the therapeutic area.
• Focus on novel chemical entities: To circumvent broad patent blocks.
• Use of method-of-use claims: To expand patent coverage without necessarily blocking molecule synthesis.

Patent Lifecycle and Legal Status

• Application status: Published as of December 2019, patent prosecution ongoing or granted (as per status check).
• Potential oppositions: Based on novelty or inventive step challenges, common in Japanese patent law.

Existing Patents and Patent Families

The patent likely belongs to a patent family with counterparts in regions such as the U.S. and Europe. Cross-referencing with databases like J-PlatPat and Espacenet reveals all family members, with similar claims and filing strategies.

Patentability and Freedom-to-Operate (FTO)

• The novelty hinges on structural differences or therapeutic use.
• Potential overlaps with existing patents could restrict commercialization.
• A thorough FTO analysis should consider overlapping claims in continuation or divisional applications.

Strategic Implications

• The scope suggests potential exclusivity over a specific chemical scaffold and its use in target diseases.
• Claims breadth impacts licensing strategies and generic challenges.
• In a crowded landscape, narrow claims may limit enforcement but offer easier patent prosecution.

Key Takeaways

• JP2019196398 defines a pharmaceutical compound and its therapeutic uses with specific structural features.
• The patent’s claims concentrate on the chemical structure, formulations, and method of treatment.
• The patent landscape involves multiple actors, with filings in global jurisdictions, indicating a competitive environment.
• Patentability relies on distinctions from existing patents, especially in chemical structure or therapeutic indication.
• An FTO requires analyzing overlapping inventions, especially in regions where similar filings exist.

FAQs

1. What is the primary protection scope of JP2019196398?
   It covers a specific chemical compound, its salts, and therapeutic use claims.

2. Can the claims be challenged based on existing patents?
   Yes. Infringement or validity can be contested if similar compounds or methods are patented elsewhere.

3. How broad are the compound claims?
   Typically, structural claims are narrow to ensure novelty; use claims may be broader.

4. Does the patent cover formulation and methods?
   Likely yes, including pharmaceutical compositions and treatment methods.

5. Are there patents protecting the same scaffold in other regions?
   Usually, patents are filed internationally; cross-referencing patent families reveals related filings.

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References

[1] J-PlatPat. (2022). Patent search database. Retrieved from https://www.j-platpat.inpit.go.jp

[2] Espacenet. (2022). European Patent Office. Patent family analysis. Retrieved from https://worldwide.espacenet.com

[3] Japanese Patent Office. (2022). Patent prosecution and legal status. Retrieved from https://www.jpo.go.jp/e/resources/patents.html