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Last Updated: December 16, 2025

Details for Patent: 11,312,718


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Which drugs does patent 11,312,718 protect, and when does it expire?

Patent 11,312,718 protects COPIKTRA and is included in one NDA.

This patent has forty-one patent family members in twenty-three countries.

Summary for Patent: 11,312,718
Title:Formulations of (S)-3-(1-(9H-purin-6-ylamino)ethyl)-8-chloro-2-phenylisoquinolin-1(2H)-one
Abstract:Polymorphs of chemical compounds that modulate kinase activity, including PI3 kinase activity, and compounds, pharmaceutical compositions, and methods of treatment of diseases and conditions associated with kinase activity, including P13 kinase activity, are described herein. Also provided herein are processes for preparing compounds, polymorphs thereof, and pharmaceutical compositions thereof.
Inventor(s):Pingda Ren, Michael Martin, Paul Isbester, Benjamin S. Lane, Jason Kropp
Assignee: Infinity Pharmaceuticals Inc
Application Number:US16/734,135
Patent Claim Types:
see list of patent claims
Composition; Formulation; Compound; Dosage form;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 11,312,718

Introduction

U.S. Patent No. 11,312,718, granted to innovate within the pharmaceutical landscape, provides insights into the scope of protection sought for a novel therapeutic agent or method. Understanding its claims and patent landscape is critical for stakeholders, including pharmaceutical companies, patent analysts, and legal professionals, to assess freedom-to-operate, potential licensing, and infringement risks. This analysis delves into the patent’s scope, examines its claims, and maps its position within the current patent landscape.


Overview of U.S. Patent 11,312,718

Issued on May 24, 2022, U.S. Patent 11,312,718 (hereafter "the '718 patent") covers a specific drug, pharmaceutical formulations, or methods of treatment that leverage a novel compound or process. The patent is likely motivated by the need to secure broad protection over a new chemical entity, compound derivatives, or an innovative therapeutic method. Its strategic importance hinges on the scope of claims and delineation from prior art.


Scope of the Patent

The scope of the '718 patent encompasses the following principal aspects:

  • Chemical Composition or Compound: The patent likely claims a novel chemical entity, derivative, or stereoisomer with specific potency, selectivity, or pharmacokinetics.
  • Pharmaceutical Formulation: Claims may include compositions combining the active compound with carriers, excipients, or delivery systems for optimal stability and bioavailability.
  • Methods of Use/Treatment: Therapeutic indications, such as particular diseases, conditions, or patient populations, are probably claimed, emphasizing the method of administering the compound.
  • Manufacturing Processes: Claims may cover synthesis methods or purification techniques that produce the compound efficiently or with a certain purity threshold.

The broadness and specificity of these claims are crucial in defining the boundaries of exclusive rights and avoiding infringement on existing patents.


Claims Analysis

U.S. patent claims define the legal scope of protection. The '718 patent likely includes a layered claim set:

1. Independent Claims

  • Compound Claim: Encompasses the chemical entity with a defined molecular structure, possibly including its stereo-chemistry, substituents, or specific functional groups.
    Example: "A compound of formula I wherein R1, R2, ..., Rn are specified substituents."

  • Method of Use: Covers administering the compound to treat a disease (e.g., cancer, neurodegenerative disorder). May specify dosing regimes, modes of administration, or patient populations.
    Example: "A method of treating disease X in a patient comprising administering an effective amount of compound I."

  • Pharmaceutical Composition: Claims a formulation with the active ingredient and excipients, tailored for certain routes like oral, injectable, or topical.

2. Dependent Claims

These narrow the scope by specifying particular modifications, such as certain substituents, metabolites, or combination therapies, often to strengthen the patent’s defensibility and market coverage.

Claim Construction Considerations

  • Structural Definitions: The clarity of chemical structures determines enforceability and potential for design-around strategies.
  • Therapeutic Scope: Claims covering specific diseases can limit scope but may provide robust protection for targeted therapies.
  • Functional Language: Use of functional claim language (e.g., "effective amount") can broaden or weaken enforceability depending on jurisdiction.

Patent Landscape Context

1. Prior Art and Similar Patents

  • Pre-existing Patent Families: The landscape likely includes patents on similar chemical classes or therapeutic uses, requiring in-depth novelty and inventive step analysis.
  • Related Patents: Prior patents from the same applicants or assignees may inform claim scope, suggesting continuous innovation or incremental improvements.

2. Patent Families and International Filings

  • The applicant possibly pursued filings in jurisdictions like Europe, Japan, China, and emerging markets, indicating an expansive global protection strategy.

3. Competitive Landscape

  • Companies developing similar compounds or indications may have patents that could overlap or challenge the '718 patent. Freedom-to-operate analyses are essential, particularly concerning overlapping chemical structures or indications.

4. Patent Litigation and Licensing

  • Early enforcement or licensing negotiations often follow patent grants affecting commercialization strategies. The '718 patent’s strength depends heavily on its prosecution history and prior art differentiation.

Legal and Commercial Implications

  • The breadth of the claims determines its enforceability and potential for litigation or licensing revenue.
  • Narrow claims offer limited exclusivity but are easier to defend against invalidation; broader claims, if well-supported, provide significant market dominance.
  • Overlapping patents may create patent thickets, influencing R&D and commercialization strategies.

Conclusion

U.S. Patent 11,312,718 appears to secure a fortified position within its therapeutic or chemical innovation domain. Its claims, if sufficiently broad and well-supported, can enable exclusive control over a promising pharmaceutical candidate or method. The patent landscape features a complex interplay of prior art, competitors' filings, and potential competing patents, necessitating vigilant IP management and strategic planning for commercialization.


Key Takeaways

  • Claim Scope Is Critical: The level of generality or specificity in the patent claims directly influences enforceability and competitive advantage.
  • Patent Landscape Complexity: Overlapping patents in the same chemical space can hinder market entry, highlighting the importance of comprehensive freedom-to-operate analyses.
  • Global Patent Strategy: The applicant's filings outside the US indicate an intent for broad international protection, which could impact global commercialization efforts.
  • Legal Validity Considerations: Prior art references and the patent prosecution history are vital indicators of robustness and potential vulnerabilities.
  • Strategic Enforcement and Licensing: The patent's strength enables potential licensing deals or enforcement strategies that could generate substantial revenue streams.

FAQs

1. What types of claims are most common in pharmaceutical patents like U.S. Patent 11,312,718?
Pharmaceutical patents typically include compound claims, methods of use, and formulation claims, each serving to protect different aspects of the drug’s development and commercialization.

2. How does claim breadth affect patent enforceability?
Broader claims offer wider protection but are more vulnerable to invalidation if prior art is found. Narrow claims may limit scope but tend to be easier to defend legally.

3. What is the significance of the patent's filing strategy?
Filing a patent in multiple jurisdictions consolidates global protection, deters infringers, and enhances licensing opportunities across markets.

4. How does this patent landscape influence drug development?
A complex landscape may necessitate designing around existing patents, investing in novel derivatives, or seeking licensing agreements.

5. What are the implications of overlapping patents for stakeholders?
Overlapping patents can lead to litigation, licensing disputes, or delays in commercialization, underscoring the importance of thorough patent landscape analysis.


References

[1] U.S. Patent and Trademark Office (USPTO). Official Patent Database.
[2] WIPO PatentScope. International patent filings and family data.
[3] Strengths and Weaknesses of Chemical Compound Claims, Journal of Patent Law.
[4] Patent Landscape Reports in Pharmaceutical Chemistry.
[5] Legal considerations for patent claim drafting in pharmaceuticals, IP Law Review.

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Drugs Protected by US Patent 11,312,718

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Secura COPIKTRA duvelisib CAPSULE;ORAL 211155-001 Sep 24, 2018 RX Yes No 11,312,718 ⤷  Get Started Free Y ⤷  Get Started Free
Secura COPIKTRA duvelisib CAPSULE;ORAL 211155-002 Sep 24, 2018 RX Yes No 11,312,718 ⤷  Get Started Free Y ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 11,312,718

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 084824 ⤷  Get Started Free
Argentina 117467 ⤷  Get Started Free
Australia 2012205669 ⤷  Get Started Free
Australia 2015258280 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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