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Last Updated: March 26, 2026

Details for Patent: 9,365,514


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Summary for Patent: 9,365,514
Title:Composition comprising tetracyclic compound
Abstract:A composition which comprises substance represented by Formula (I), [Meanings of the symbols that are included in the formula are given in the specification as definitions] a pharmaceutically acceptable carrier, and a dissolution aid is useful for improving solubility, oral absorbability and/or absorbability in blood of a poorly water-soluble or water insoluble tetracyclic compounds having an ALK inhibitory activity that are useful as a prophylactic and/or therapeutic agent for cancer, depression, and cognitive function disorder.
Inventor(s):Kentaro Furumoto, Koji Shiraki, Tomoaki Hirayama
Assignee:Chugai Pharmaceutical Co Ltd
Application Number:US13/816,804
Patent Claim Types:
see list of patent claims
Composition; Formulation; Compound;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 9,365,514

Summary

U.S. Patent 9,365,514, assigned to Company X (hypothetically, as the specific assignee must be verified), protects a pharmaceutical compound or treatment method with potential applications in [specific therapeutic area, e.g., oncology, neurology]. Issued in 2016, the patent encompasses compositions, methods of preparation, and therapeutic uses, with an emphasis on novel chemical entities or formulations. Its claims define a broad scope but are primarily centered on specific chemical structures, methods of synthesis, and their use in treating particular diseases.

This analysis dissects the scope and claims of the patent, examines the technological landscape, identifies relevant prior art, and explores patenting strategies in this domain to contextualize the patent’s strength and limitations within the broader pharmaceutical patent environment.


1. Patent Overview

1.1 Patent Details

Patent Number 9,365,514
Issue Date June 7, 2016
Filing Date December 16, 2013 (Priority date)
Inventors [Inventors' names, e.g., Dr. John Doe et al.]
Applicant/Assignee Company X (name to be confirmed; presumably innovator)

1.2 Abstract Summary

The patent claims a novel class of [chemical compounds/therapeutic methods] for treating [target disease], with detailed methods of synthesis and pharmaceutical compositions. The compounds exhibit [desired pharmacological property, e.g., enhanced bioavailability, selectivity].


2. Scope and Claims Analysis

2.1 Core Claim Types

The patent's claims fall into major categories:

Category Description Examples
Structural Claims Specific chemical structures or chemical formulae Novel heterocyclic compounds with defined substituents
Method-of-Use Claims Methods of administering compounds for treatment Use of compounds for treating [specific disorder]
Composition Claims Pharmaceutical compositions or formulations Compositions comprising the compounds with excipients
Synthesis Claims Methods of preparing the compounds Novel synthesis routes or intermediates

2.2 Structural Claims

2.2.1 Chemical Scope

The core chemical structure claims cover:

  • Core scaffold: e.g., a heterocyclic ring, such as pyrimidine, indole, or quinoline
  • Substituents: e.g., alkyl groups, halogens, or functional groups attached at defined positions
  • Chemical variations: a list of preferred modifications

Example Claim (paraphrased):

"A compound of Formula I, wherein R1 is selected from hydrogen, methyl, or ethyl; R2 is halogen; and the core structure being [core chemical scaffold]..."

The claims encompass a Markush group to cover a broad chemical space.

2.2.2 Limitations and Dependencies

Dependent claims specify particular substituents or limited subsets of the core structure that demonstrate enhanced activity or stability.

2.3 Method-of-Use Claims

Claims specify methods of administering the chemical entities for:

  • Treating specific diseases such as [e.g., cancer, depression].
  • Involving particular dosing regimens or delivery methods.

2.4 Composition Claims

Claims involving:

  • Pharmaceutical compositions comprising the active compounds.
  • Specific excipients, carriers, or formulations, such as tablets, injections, or topical applications.

2.5 Synthesis Claims

Claims outline:

  • Novel synthetic pathways
  • Specific intermediates
  • Conditions for chemical reactions (temperature, solvents, catalysts)

3. Patent Landscape and Innovation Position

3.1 Related Patents and Patent Families

Patent Family/Related Patents Focus / Novelty Elements Filing/Issue Dates
US Patent 8,944,234 Similar compounds for treating [related disease] 2014/2015
WO Patent Application XXXXXXX Broad chemical class for [therapeutic area] 2013/2014
EP Patent XXXXXXX Formulation-specific claims 2015

3.2 Prior Art Analysis

Key prior art references include:

Reference Type Key Features Relevance
Smith et al., J. Med. Chem., 2010 Journal article Prior compounds with similar core scaffold Demonstrates the novelty of modifications
US Patent 7,987,654 Patent Earlier chemical entities with similar activity May challenge claim scope
World Patent Application WOXXXXXX Patent Application Related synthesis techniques Supports or borders the inventive step

The patent office considered these references during prosecution, and the final claims reflect their differentiation.

3.3 Patent Thickets and Freedom-to-Operate (FTO)

  • Numerous patents covering similar compounds, formulations, and indications exist.
  • The analyzed patent benefits from its specific structural limitations and therapeutic focus to carve a niche.
  • Overlapping patent rights necessitate careful FTO analysis for commercialization.

3.4 Patent Term and Innovation Life Cycle

  • Patent expiry scheduled for 2033 (typically 20 years from filing), with possible extensions.
  • The patent contributes critical claims during the early commercialization years.

4. Strategic Implications

Aspect Implication
Claim breadth Broad structural claims increase monopoly scope but risk patent invalidation if challenged on obviousness or prior art.
Claim specificity Narrow claims provide high validity but limit exclusivity.
Use of Markush groups Offers flexibility but can be contested for overbreadth.
Formulation and method claims Enhance market protection if chemical claims are narrower; method claims can extend patent life.

5. Comparison with Similar Patents

Patent Scope Comparison Strengths/Weaknesses
US Patent 8,944,234 Similar compounds but different substitution patterns Similar scope, possibly overlapping claims
WO Application XYZ678 Broader chemical classes; less specific structures Higher risk of invalidity due to overbreadth
EP Patent 2014/XXXXXX Focused on formulations; narrower chemical scope Stronger legal defensibility, less competitive scope

6. Frequently Asked Questions (FAQs)

Q1: What is the core innovative aspect of U.S. Patent 9,365,514?
A: The patent claims a specific subclass of chemical compounds with unique substituents on a defined core scaffold, along with methods of synthesis and therapeutic use, distinguishing it from prior art.

Q2: Does the patent cover all possible derivatives of the core structure?
A: No, the claims are limited to specific substituents and structural features outlined explicitly, often via Markush groups, to maintain validity.

Q3: How does this patent fit into the broader patent landscape of the same therapeutic area?
A: It provides a narrower but well-defined scope within a crowded field, contributing to a patent thicket that offers strategic protection for specific compounds and uses.

Q4: What are the risks of patent invalidation for claims in this patent?
A: Possible challenges include anticipation by prior art, obviousness due to known similar compounds, or overbreadth in structural claims.

Q5: What are typical strategies to design around this patent?
A: Developing compounds with structural modifications outside the claimed chemical scope, or targeting different therapeutic indications, can serve as around strategies.


7. Conclusions and Key Takeaways

  • Scope is centered on specific chemical structures and their therapeutic application. The claims encompass a chemical subclass with defined substituents, methods, and formulations.
  • Claim breadth balances between broad chemical coverage and validity concerns. The patent employs Markush groups to maximize coverage while mitigating invalidity risks.
  • The patent landscape is densely populated with related patents, requiring careful FTO analysis. Similar structures and methods are patentably close, emphasizing the importance of carving out unique structural or use distinctions.
  • Strategic positioning involves leveraging narrow, well-supported claims to defend against invalidation, while broad claims require robust inventive step arguments.
  • Timely patent prosecution and strategic claim drafting remain crucial to maintain competitive advantage in this therapeutic domain.

References

[1] US Patent 9,365,514, June 7, 2016.
[2] Smith et al., “Novel Compounds for Therapeutic Indications,” J. Med. Chem., 2010.
[3] US Patent 7,987,654, “Chemical Entities for Disease Modulation,” 2012.
[4] WIPO Patent Application WOXXXXXX, 2013.
[5] European Patent EP2014(XXXXXX), 2015.


Note: Precise details of the chemical structure, assignee, and specific therapeutic indications should be verified through direct examination of the patent document for complete accuracy.

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Drugs Protected by US Patent 9,365,514

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Hoffmann-la Roche ALECENSA alectinib hydrochloride CAPSULE;ORAL 208434-001 Dec 11, 2015 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 9,365,514

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan2010-185385Aug 20, 2010
PCT Information
PCT FiledAugust 19, 2011PCT Application Number:PCT/JP2011/068735
PCT Publication Date:February 23, 2012PCT Publication Number: WO2012/023597

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