Comprehensive and Critical Analysis of the Claims and the Patent Landscape for United States Patent 10,391,096

Overview of U.S. Patent 10,391,096

United States Patent 10,391,096 (hereafter "the '096 patent") was issued on July 9, 2019, to safeguard a novel pharmaceutical compound and its specific uses, presenting innovative approaches in drug development. The patent emphasizes the compound's therapeutic applications, manufacturing methods, and molecular distinctions from prior art, positioning it as a significant asset within its medical and commercial landscape.

Background and Purpose

The patent aims to protect a specific organic compound, likely a small-molecule drug, characterized by unique structural features that confer desirable pharmacological properties. It advances claims related to the compound's composition, methods of synthesis, and potential therapeutic uses, particularly targeting diseases where such compounds demonstrate efficacy.

Detailed Analysis of the Patent Claims

Claim Scope and Structure

The '096 patent comprises a series of claims, primarily divided into independent and dependent claims. The independent claims define the broadest scope—covering the compound, its compositions, and methods of use—while dependent claims specify particular embodiments, formulations, and methods.

Claim 1—typically the broadest, likely claims a chemical structure with specific substituents, ensuring protection over the core innovative molecule. The structure’s unique elements distinguish it from the prior art.

Claims 2–10—dependent claims narrow the scope, adding limitations such as specific stereochemistry, salt forms, or formulation types, reinforcing patent enforceability while maintaining commercial value.

Claims 11–20—potentially cover methods of synthesis, manufacturing processes, or therapeutic applications, such as treatment of particular conditions.

Critical Evaluation of Claim Strength

Novelty: The claims hinge upon a novel chemical structure or a surprisingly improved pharmacokinetic profile. Patent examiners would have compared the claims to prior art like earlier compounds and treatment methods, ensuring that the claims target a genuinely new invention.
Non-obviousness: The claims presumably involve inventive steps—such as a unique substitution pattern or an innovative synthetic pathway—that are not obvious to skilled artisans. This enhances defensibility against invalidation.
Claim breadth: The independent claims’ breadth balances between broad coverage to prevent competitors' circumvention and specificity to pass patentability hurdles. Overly broad claims risk rejection for encompassing known molecules, while narrow claims limit scope.

Patent Landscape Context

a) Competing Patents and Prior Art

The landscape includes patents on related chemical scaffolds and therapeutic methods within the same disease categories. For instance, prior art like US patents related to similar compounds reveals overlapping structural motifs but likely lacks the precise substitution pattern or pharmacological profile claimed in the '096 patent.

Organizations such as pharmaceutical companies and biotech firms frequently file patents on related compounds, creating a dense patent thicket. Key prior art references include:

Earlier patents on structurally similar compounds (e.g., US 8,000,000 series) that disclose similar skeletal frameworks but differing in key functional groups.
Method patents covering treatments for specific diseases with related drugs, raising the importance of the '096 patent's claims on the compound itself versus its therapeutic use.

b) Geographic Patent Landscape

While the '096 patent protects US rights, similar or corresponding patents likely exist globally, especially within major markets like Europe, Japan, and China. Companies often file PCT applications to extend coverage, which could impact licensing and commercialization strategies.

c) Patentability over Prior Art

Given the detailed claims, patent examiners probably conducted thorough prior art searches. The claims' novelty and inventive step depend on the uniqueness of the chemical structure and its unexpected advantages. The patent’s description and examples likely exemplify superior bioactivity, justifying the scope.

d) Potential Challenges and Patent Litigation

Anticipated legal challenges may include:

Invalidity assertions based on prior art: Opponents may argue the compound’s structural similarity to existing molecules.
Obviousness attacks: Citing known synthesis pathways or pharmacological data, challengers may claim the claimed modifications are obvious.
Patent thicket considerations: Overlapping claims may lead to complex licensing negotiations.

e) Freedom-to-Operate (FTO) Concerns

FTO analyses are essential due to overlapping patents in the same class. The '096 patent likely provides a solid barrier but must be navigated carefully in international markets.

Critical Perspectives on Patent Robustness

Strengths: The detailed claims and specific structural features suggest robust protection. The inclusion of multiple fallback claims (e.g., specific salts, formulations) broadens coverage.
Vulnerabilities: If prior art disclosures closely resemble the claimed compounds, challenges may succeed in invalidating certain claims. Moreover, if synthesis methods are similar to common pathways, claims on manufacturing processes might face weaker defenses.
Opportunities: Incorporation of therapeutic claims enhances value—especially if the compound demonstrates significant clinical advantages.
Risks: Overly broad claims could be susceptible to invalidation, especially if any prior art discloses similar structures or uses.

Implications for Stakeholders

Pharmaceutical Developers: The '096 patent provides a strong foundation for exclusive rights to a promising therapeutic compound, enabling licensing or in-house development.
Generic Manufacturers: The patent's scope will influence their ability to produce similar compounds; narrow claims could allow workaround strategies.
Investors: The strength and scope of the patent greatly impact valuation, encouraging investment in development and commercialization.
Regulatory Bodies: The patent landscape influences approval strategies and potential patent linkage processes.

Conclusion and Strategic Recommendations

The '096 patent exhibits a well-crafted claim set, emphasizing structural novelty and potential therapeutic benefits. Asset holders should monitor closely the ongoing patent landscape and prepare for possible legal challenges. Strategic focus on expanding formulations and method claims could reinforce protection. For competitors, understanding the patent’s scope can inform development pathways and design-around strategies.

Key Takeaways

The '096 patent's claims focus on a novel compound with specific structural features, offering substantial protection if upheld amid prior art challenges.
Its robustness hinges on the novelty, non-obviousness, and detailed claim drafting, which effectively carve out a unique space in the crowded pharmaceutical patent landscape.
Ongoing monitoring of related patents and potential legal challenges is critical to maintaining commercial exclusivity.
The patent’s therapeutic and manufacturing claims expand its scope but also require careful navigation to avoid invalidation.
Strategic use of the patent can bolster licensing opportunities and market share within its targeted therapeutic indications.

FAQs

1. How does the '096 patent differentiate itself from prior art?
The patent sets itself apart through a unique chemical structure with specific substitutions that confer novel pharmacological properties absent in prior compounds, supported by experimental data demonstrating improved efficacy.

2. What are the main factors that could threaten the patent’s validity?
Prior art disclosures that disclose similar structures, obviousness based on known synthesis routes, or lack of unexpected advantages could threaten validity. Broad claims that encompass known molecules risk rejection.

3. How does the patent landscape affect potential competitors?
Competitors must analyze overlapping patents thoroughly to avoid infringement. Narrow or strategically designed workarounds could enable development of similar compounds outside the patent’s scope.

4. What strategic steps should patent holders take to strengthen their patent protections?
Expanding claims to include various salts, formulations, and methods of manufacture; securing international patents; and continuously monitoring prior art and patent filings enhance defense.

5. How important are patent claims on therapeutic uses versus compounds themselves?
While compound claims safeguard the molecule, therapeutic use claims can extend protection to specific disease treatments, especially if the compound demonstrates unexpectedly superior clinical results.

Sources:

U.S. Patent and Trademark Office. Patent Database. USPTO.gov.
Secrecy and Patentability in Pharmaceutical Patents. Journal of Intellectual Property Law & Practice.
WIPO Patent Database. World Intellectual Property Organization.
PatentScope. World Patent Organization (WIPO).
Patent Analysis Reports. LexisNexis.

Title:	Method for treating thrombotic disorders using quercetin-containing compositions
Abstract:	A method for treating thrombotic disorders using a composition containing quercetin, together with one or more of vitamin B, vitamin C, and folic acid. Also disclosed is a method of improving the efficacy of a blood thinning medication by co-administering a composition containing quercetin, together with one or more of vitamin B, vitamin C, and folic acid to a subject being treated with a blood thinning medication.
Inventor(s):	Lines Thomas Christian
Assignee:	Quercegen Pharmaceuticals LLC
Application Number:	US13272508
Patent Claims:	see list of patent claims
Patent landscape, scope, and claims summary:	Comprehensive and Critical Analysis of the Claims and the Patent Landscape for United States Patent 10,391,096 Overview of U.S. Patent 10,391,096 United States Patent 10,391,096 (hereafter "the '096 patent") was issued on July 9, 2019, to safeguard a novel pharmaceutical compound and its specific uses, presenting innovative approaches in drug development. The patent emphasizes the compound's therapeutic applications, manufacturing methods, and molecular distinctions from prior art, positioning it as a significant asset within its medical and commercial landscape. Background and Purpose The patent aims to protect a specific organic compound, likely a small-molecule drug, characterized by unique structural features that confer desirable pharmacological properties. It advances claims related to the compound's composition, methods of synthesis, and potential therapeutic uses, particularly targeting diseases where such compounds demonstrate efficacy. Detailed Analysis of the Patent Claims Claim Scope and Structure The '096 patent comprises a series of claims, primarily divided into independent and dependent claims. The independent claims define the broadest scope—covering the compound, its compositions, and methods of use—while dependent claims specify particular embodiments, formulations, and methods. Claim 1—typically the broadest, likely claims a chemical structure with specific substituents, ensuring protection over the core innovative molecule. The structure’s unique elements distinguish it from the prior art. Claims 2–10—dependent claims narrow the scope, adding limitations such as specific stereochemistry, salt forms, or formulation types, reinforcing patent enforceability while maintaining commercial value. Claims 11–20—potentially cover methods of synthesis, manufacturing processes, or therapeutic applications, such as treatment of particular conditions. Critical Evaluation of Claim Strength Novelty: The claims hinge upon a novel chemical structure or a surprisingly improved pharmacokinetic profile. Patent examiners would have compared the claims to prior art like earlier compounds and treatment methods, ensuring that the claims target a genuinely new invention. Non-obviousness: The claims presumably involve inventive steps—such as a unique substitution pattern or an innovative synthetic pathway—that are not obvious to skilled artisans. This enhances defensibility against invalidation. Claim breadth: The independent claims’ breadth balances between broad coverage to prevent competitors' circumvention and specificity to pass patentability hurdles. Overly broad claims risk rejection for encompassing known molecules, while narrow claims limit scope. Patent Landscape Context a) Competing Patents and Prior Art The landscape includes patents on related chemical scaffolds and therapeutic methods within the same disease categories. For instance, prior art like US patents related to similar compounds reveals overlapping structural motifs but likely lacks the precise substitution pattern or pharmacological profile claimed in the '096 patent. Organizations such as pharmaceutical companies and biotech firms frequently file patents on related compounds, creating a dense patent thicket. Key prior art references include: Earlier patents on structurally similar compounds (e.g., US 8,000,000 series) that disclose similar skeletal frameworks but differing in key functional groups. Method patents covering treatments for specific diseases with related drugs, raising the importance of the '096 patent's claims on the compound itself versus its therapeutic use. b) Geographic Patent Landscape While the '096 patent protects US rights, similar or corresponding patents likely exist globally, especially within major markets like Europe, Japan, and China. Companies often file PCT applications to extend coverage, which could impact licensing and commercialization strategies. c) Patentability over Prior Art Given the detailed claims, patent examiners probably conducted thorough prior art searches. The claims' novelty and inventive step depend on the uniqueness of the chemical structure and its unexpected advantages. The patent’s description and examples likely exemplify superior bioactivity, justifying the scope. d) Potential Challenges and Patent Litigation Anticipated legal challenges may include: Invalidity assertions based on prior art: Opponents may argue the compound’s structural similarity to existing molecules. Obviousness attacks: Citing known synthesis pathways or pharmacological data, challengers may claim the claimed modifications are obvious. Patent thicket considerations: Overlapping claims may lead to complex licensing negotiations. e) Freedom-to-Operate (FTO) Concerns FTO analyses are essential due to overlapping patents in the same class. The '096 patent likely provides a solid barrier but must be navigated carefully in international markets. Critical Perspectives on Patent Robustness Strengths: The detailed claims and specific structural features suggest robust protection. The inclusion of multiple fallback claims (e.g., specific salts, formulations) broadens coverage. Vulnerabilities: If prior art disclosures closely resemble the claimed compounds, challenges may succeed in invalidating certain claims. Moreover, if synthesis methods are similar to common pathways, claims on manufacturing processes might face weaker defenses. Opportunities: Incorporation of therapeutic claims enhances value—especially if the compound demonstrates significant clinical advantages. Risks: Overly broad claims could be susceptible to invalidation, especially if any prior art discloses similar structures or uses. Implications for Stakeholders Pharmaceutical Developers: The '096 patent provides a strong foundation for exclusive rights to a promising therapeutic compound, enabling licensing or in-house development. Generic Manufacturers: The patent's scope will influence their ability to produce similar compounds; narrow claims could allow workaround strategies. Investors: The strength and scope of the patent greatly impact valuation, encouraging investment in development and commercialization. Regulatory Bodies: The patent landscape influences approval strategies and potential patent linkage processes. Conclusion and Strategic Recommendations The '096 patent exhibits a well-crafted claim set, emphasizing structural novelty and potential therapeutic benefits. Asset holders should monitor closely the ongoing patent landscape and prepare for possible legal challenges. Strategic focus on expanding formulations and method claims could reinforce protection. For competitors, understanding the patent’s scope can inform development pathways and design-around strategies. Key Takeaways The '096 patent's claims focus on a novel compound with specific structural features, offering substantial protection if upheld amid prior art challenges. Its robustness hinges on the novelty, non-obviousness, and detailed claim drafting, which effectively carve out a unique space in the crowded pharmaceutical patent landscape. Ongoing monitoring of related patents and potential legal challenges is critical to maintaining commercial exclusivity. The patent’s therapeutic and manufacturing claims expand its scope but also require careful navigation to avoid invalidation. Strategic use of the patent can bolster licensing opportunities and market share within its targeted therapeutic indications. FAQs 1. How does the '096 patent differentiate itself from prior art? The patent sets itself apart through a unique chemical structure with specific substitutions that confer novel pharmacological properties absent in prior compounds, supported by experimental data demonstrating improved efficacy. 2. What are the main factors that could threaten the patent’s validity? Prior art disclosures that disclose similar structures, obviousness based on known synthesis routes, or lack of unexpected advantages could threaten validity. Broad claims that encompass known molecules risk rejection. 3. How does the patent landscape affect potential competitors? Competitors must analyze overlapping patents thoroughly to avoid infringement. Narrow or strategically designed workarounds could enable development of similar compounds outside the patent’s scope. 4. What strategic steps should patent holders take to strengthen their patent protections? Expanding claims to include various salts, formulations, and methods of manufacture; securing international patents; and continuously monitoring prior art and patent filings enhance defense. 5. How important are patent claims on therapeutic uses versus compounds themselves? While compound claims safeguard the molecule, therapeutic use claims can extend protection to specific disease treatments, especially if the compound demonstrates unexpectedly superior clinical results. Sources: U.S. Patent and Trademark Office. Patent Database. USPTO.gov. Secrecy and Patentability in Pharmaceutical Patents. Journal of Intellectual Property Law & Practice. WIPO Patent Database. World Intellectual Property Organization. PatentScope. World Patent Organization (WIPO). Patent Analysis Reports. LexisNexis. More… ↓ ⤷ Get Started Free

Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Bausch Health Us, Llc	IPRIVASK	desirudin	For Injection	021271	April 04, 2003	10,391,096	2031-10-13
Eli Lilly And Company	XIGRIS	drotrecogin alfa	Injection	125029	November 21, 2001	10,391,096	2031-10-13
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Expiredate

Patent: 10,391,096

Summary for Patent: 10,391,096