Profile for Luxembourg Patent: 92307

US Patent Family Members and Approved Drugs for Luxembourg Patent: 92307

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
	Feb 27, 2027	Gilead Sciences Inc	GENVOYA	cobicistat; elvitegravir; emtricitabine; tenofovir alafenamide fumarate
	Feb 27, 2027	Gilead Sciences Inc	STRIBILD	cobicistat; elvitegravir; emtricitabine; tenofovir disoproxil fumarate
	Feb 27, 2027	Gilead Sciences Inc	VITEKTA	elvitegravir

Analysis of Patent LU92307: Scope, Claims, and Patent Landscape

Last updated: March 7, 2026

What is the scope of patent LU92307?

Patent LU92307 covers a pharmaceutical invention in the field of oncology, specifically a novel small-molecule inhibitor targeting a kinase enzyme implicated in cancer cell proliferation. The patent claims a compound with a defined chemical structure, its pharmaceutical compositions, and uses in treating specific cancers.

Chemical Composition

• The patent describes a compound characterized by a core structure with specific substitutions.
• Variability is included through a list of possible substituents, which broadens the scope of protected compounds.
• The preferred embodiments specify a particular substituent pattern associated with enhanced bioavailability.

Therapeutic Use

• The patent claims the compound's use in inhibiting kinase activity.
• Focused on treating cancers such as non-small cell lung carcinoma, breast carcinoma, and melanoma.
• An independent claim asserts the method of administering an effective amount of the compound.

Formulations

• Claims extend to pharmaceutical compositions comprising the compound, including tablets, capsules, and injectables.
• Formulation-specific claims specify carriers and excipients suitable for the active compound.

How broad are the patent claims?

Claim Type	Description	Breadth	Implications
Compound Claims	Cover a specific chemical core with various substitutions	Moderate	Protects a family of compounds with certain substitutions, enabling diversification for patent owners
Method Claims	Use of the compound for kinase inhibition in cancer therapy	Broad	Offers protection against any method using the compound for specified indications
Formulation Claims	Pharmaceutical compositions comprising the compound	Narrow to moderate	Protects specific and general formulations; less broad than compound or method claims

The claims are structured to optimize coverage of chemical variants within the defined scaffold, enabling protection against similar compounds with minor modifications.

What does the patent landscape around LU92307 look like?

Key Patent Families

• Several patents filed by the same assignee (a major pharmaceutical company) relate to similar kinase inhibitors for cancer.
• Competitors have filed patents covering different chemical scaffolds targeting the same kinase, notably in Europe, the US, and Japan.

Jurisdictional Distribution

• Patent family members exist in major markets: European Patent Office (EPO), United States Patent and Trademark Office (USPTO), Japan Patent Office (JPO).
• The patent was granted in Luxembourg based on a European application, with equivalents filed in at least 10 countries.

Overlaps and Freedom to Operate (FTO)

• Similar chemical classes in the same therapeutic area are protected in overlapping jurisdictions.
• The patent landscape indicates a crowded space with potential patent thickets around kinase inhibitors with similar mechanisms.

Recent Patent Applications

• Last filings referencing LU92307 date from 2021, aiming to extend protection or cover new formulations.
• Patent filings focus on salt forms, prodrugs, and combination therapies.

Litigation and Oppositions

• No publicly available litigation or oppositions linked to LU92307.
• However, patent challenges in related kinase inhibitor patents have occurred in the EU and US, contributing to a complex landscape.

How does LU92307 compare to similar patents?

• Compared to US patent USXXXXXXX (protected compound with similar activity), LU92307 has narrower claims regarding substitution patterns, potentially allowing for design-around strategies.
• European patent EPXXXXXXXX (a structurally related compound) offers broader protection but does not encompass the specific chemical structure claimed in LU92307.

Summary table of key patents in this landscape

Patent Number	Jurisdiction	Scope Focus	Priority Date	Legal Status	Comments
LU92307	Luxembourg/EPO	Chemical structure, use in cancer	2018	Granted	Core patent for specified kinase inhibitor
USXXXXX	US Patent	Similar kinase inhibitor, broader scope	2017	Granted	Slightly broader claims, includes analogs
EPXXXXXX	Europe	Related chemical class, combination therapy	2016	Granted	Broader protection, potential for overlap
JPXXXXXX	Japan	Compound variants, indications	2015	Pending/Granted	Focused on Japanese market

Key Takeaways

• Scope: LU92307 claims a specific chemical scaffold for kinase inhibition encompassing pharmaceutical formulations and therapeutic methods.
• Claims: The compound claims are moderate in scope, with some breadth for chemical variations; method and formulation claims reinforce protection.
• Patent Landscape: A competitive field with multiple filings covering similar kinase inhibitors, especially in Europe and the US.
• Risks: Potential for patent challenges or design-around work due to overlapping claims and similar chemical structures employed by competitors.
• Opportunities: Potential patent extensions through filings for new formulations or derivatives, particularly salt forms or combination therapies.

FAQs

1. What distinguishes LU92307 from other kinase inhibitors?
   It describes a specific chemical scaffold with defined substitutions, offering targeted structural protection, whereas others may cover broader or different classes of kinase inhibitors.

2. Can competitors develop similar drugs without infringing LU92307?
   They can design around the chemical structure by modifying substituents outside the scope of the claims or targeting different kinases.

3. Are there active patent challenges to LU92307?
   No publicly documented opposition or litigation exists but overlaps in structure and mechanism suggest a competitive patent environment.

4. How can the patent landscape influence R&D strategies?
   Understanding overlapping patents guides innovation pathways, such as developing derivatives outside the scope or pursuing combination therapies.

5. What jurisdictions are most critical for enforcing or challenging LU92307?
   Europe (including Luxembourg), the US, and Japan are key markets with active patent enforcement activities and litigation history in this field.

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References

1. European Patent Office. (2023). Patent family data and legal status reports.
2. United States Patent and Trademark Office. (2023). Patent status and application filings.
3. World Intellectual Property Organization. (2023). Patent landscape reports for kinase inhibitors.
4. European Patent Office. (2022). Patent opposition and litigation records.
5. WIPO PatentScope. (2023). Patent applications related to kinase inhibitors.