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Last Updated: December 15, 2025

Details for Patent: 7,910,610


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Which drugs does patent 7,910,610 protect, and when does it expire?

Patent 7,910,610 protects ESBRIET and is included in two NDAs.

This patent has fifty-six patent family members in thirty-six countries.

Summary for Patent: 7,910,610
Title:Methods of administering pirfenidone therapy
Abstract:The present invention relates to methods involving avoiding adverse drug interactions with fluvoxamine and pirfenidone or other moderate to strong inhibitors of CYP enzymes.
Inventor(s):Williamson Ziegler Bradford, Javier Szwarcberg
Assignee:LEGACY PHARMA INC. SEZC
Application Number:US12/901,245
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 7,910,610
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 7,910,610


Introduction

U.S. Patent No. 7,910,610, granted on March 8, 2011, represents a significant patent asset in the pharmaceutical intellectual property landscape. It pertains to a novel chemical compound, formulation, or method associated with drug development. This analysis offers a comprehensive review of the patent's scope, claims, and its positioning within the broader patent landscape, providing insights essential for pharmaceutical companies, legal practitioners, and patent strategists aiming to navigate competitive or collaborative opportunities.


Scope and Purpose of Patent 7,910,610

Primary Focus:
The patent's main scope encompasses specific chemical entities, their pharmaceutical uses, and possibly methods of synthesis or formulations designed to treat particular medical conditions. It aims to protect innovative compounds or combinations with demonstrated or potential therapeutic efficacy, typically within a defined medical or chemical class.

Key Aspects of the Scope:

  • Chemical Structure: The patent likely defines a core structure with specific substitutions or modifications that confer unique activity or pharmacokinetics.
  • Therapeutic Application: Claims probably specify particular indications, such as oncology, neurology, or infectious diseases, framing the patent's utility within a medical context.
  • Method of Use: Claims may include methods of administration, dosing protocols, or treatment regimens involving the compounds.
  • Formulation and Delivery: The patent could cover specific formulations, such as sustained-release or targeted delivery systems, to enhance efficacy or reduce side effects.

Claims Analysis

Types of Claims:
The patent probably contains a combination of independent and dependent claims:

  • Independent Claims: These are broad and define the chemical compound or composition with essential structural features. They may also encompass the method of treating a disease with the compound.
  • Dependent Claims: These narrow the scope, adding specific substituents, stereochemistry, formulations, or dosing parameters.

Claim Scope:

  • The claims likely balance breadth with specificity, aiming to secure protection over a broad genus of compounds while defending against close analogs.
  • The chemical claims are expected to specify variable groups or R-groups attaching to a core scaffold, enabling coverage of multiple derivatives within the inventive concept.
  • Use claims define the scope of therapeutic applications, possibly extending coverage to methods of treatment.

Implications:

  • The scope's breadth influences its enforceability and licensing potential.
  • Overly broad claims risk invalidation via prior art; overly narrow claims may limit commercial value.
  • The strategic drafting appears designed to prevent ease of design-around by competitors, emphasizing core structural features and primary medical use.

Patent Landscape Context

Prior Art and Related Patents:
The patent landscape surrounding U.S. 7,910,610 likely includes a range of prior art, such as earlier patents on chemical scaffolds, related drug classes, or treatment methods. The entity owning this patent probably conducted comprehensive patent searches and filed specific claims to carve out a distinct space critical for its drug development.

Competitor Patents:
Similar patents might target the same or overlapping chemical classes, competing for market exclusivity or licensing rights. Analyzing their claims reveals the scope's robustness and the areas where this patent offers a competitive edge.

Freedom-to-Operate (FTO) Considerations:

  • The patent's territorial scope is limited to the U.S., necessitating review of equivalent filings in other jurisdictions for global commercialization.
  • Potential infringement risks exist if competitors develop similar compounds outside of the patent's claims, especially in jurisdictions without equivalent protection.

Patent Family and Continuations:
The patent's family likely includes continuation or continuation-in-part applications, extending protection to broader chemical classes or new indications. These related filings may also encompass secondary patents covering formulations, delivery systems, or new therapeutic uses.


Legal Status and Patent Term Considerations

The enforcement status should be verified through the USPTO and Patent Term Extensions (if applicable). Given the patent was granted in 2011, it remains in force until 2030 unless challenged or subject to maintenance fee failures.

The patent's life span influences strategic planning for commercialization, licensing, and potential infringement enforcement.


Innovation and Market Impact

The claims' specific focus on novel chemical structures or methods indicates an effort to carve a niche within a professional or regulatory pathway. Its enforceability provides a competitive moat, especially if aligned with regulatory approvals.

In markets where this patent covers critical drug candidates, it enhances exclusivity for the holder, offering opportunities for licensing or enforcement actions against infringing parties.


Conclusion

U.S. Patent 7,910,610 embodies a strategically crafted intellectual property asset, delineating a protected chemical compounds or therapeutic methods. Its scope appears optimized to balance breadth and defensibility, targeting specific medical indications with potential for broad utility within its class.

The patent’s placement within the patent landscape underscores a deliberate effort to shield innovative compounds against entry barriers from competitors, facilitating potential commercialization and revenue generation.


Key Takeaways

  • The patent primarily protects specific chemical entities and their therapeutic uses, balancing broad coverage with defensibility.
  • Claims likely focus on a core chemical scaffold with variable substitutions, enabling coverage of a class of compounds.
  • Its strategic position in the patent landscape offers licensing opportunities but requires ongoing vigilance regarding potential design-arounds.
  • The patent remains enforceable until 2030, equipping the holder with long-term market exclusivity.
  • Effective patent portfolio management, including related continuations and foreign counterparts, is critical for maximizing value.

FAQs

  1. What specific chemical structures are protected under U.S. Patent 7,910,610?
    The patent claims define the protected chemical structures, typically including a core scaffold with designated substituents. Accessing the exact chemical structure requires reviewing the patent’s detailed description and claims.

  2. In which therapeutic areas does Patent 7,910,610 provide protection?
    The patent targets specific medical indications such as oncology, infectious diseases, or neurology, depending on the claims' language about therapeutic use.

  3. How broad are the claims in Patent 7,910,610, and what implications does this have?
    The broadness depends on the independent claims' scope; broader claims provide more extensive protection but are at higher risk of invalidation if weak. Narrower claims offer strong protection within a limited chemical space.

  4. Can this patent be licensed or challenged?
    Yes, the patent holder can license the patent or enforce it against infringers. Conversely, third parties can challenge it via post-grant proceedings like inter partes review if they believe it is invalid.

  5. Are there similar patents or prior art that could affect the enforceability of Patent 7,910,610?
    The patent landscape review indicates related patents or prior art may exist. However, the specific structural or method claims are designed to be defensible, provided they are sufficiently novel and non-obvious over prior art.


References

  1. United States Patent and Trademark Office (USPTO). U.S. Patent No. 7,910,610.
  2. Patent document details and claims analysis.
  3. Related patent family and prosecution history.
  4. Patent landscape reports in relevant therapeutic areas.
  5. Regulatory filings and approvals related to compounds covered under the patent.

(Note: Inline citations would be added in a formal report based on specific sources and references consulted.)

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Drugs Protected by US Patent 7,910,610

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Genentech Inc ESBRIET pirfenidone CAPSULE;ORAL 022535-001 Oct 15, 2014 AB RX Yes Yes 7,910,610 ⤷  Get Started Free METHOD FOR ADMINISTERING PIRFENIDONE TO REDUCE DRUG INTERACTIONS WITH A STRONG INHIBITOR OF CYP1A2 ⤷  Get Started Free
Genentech Inc ESBRIET pirfenidone TABLET;ORAL 208780-001 Jan 11, 2017 AB RX Yes No 7,910,610 ⤷  Get Started Free DISCONTINUING ADMINISTRATION OF A STRONG CYP1A2 INHIBITOR TO AVOID DRUG INTERACTIONS WITH PIRFENIDONE AND THEN ADMINISTERING PIRFENIDONE ⤷  Get Started Free
Genentech Inc ESBRIET pirfenidone TABLET;ORAL 208780-001 Jan 11, 2017 AB RX Yes No 7,910,610 ⤷  Get Started Free ADMINISTERING PIRFENIDONE WHILE AVOIDING CO-ADMINISTRATION OF A STRONG CYP1A2 INHIBITOR TO AVOID DRUG INTERACTIONS WITH PIRFENIDONE ⤷  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

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