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Last Updated: December 17, 2025

Patent: 9,034,822


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Summary for Patent: 9,034,822
Title:Methods of using antibodies during anticoagulant therapy of dabigatran and/or related compounds
Abstract:The present invention relates to antibody molecules against anticoagulants, in particular dabigatran, and their use as antidotes of such anticoagulants.
Inventor(s):Joanne Van Ryn, John Edward Park, Norbert Hauel, Ulrich Kunz, Tobias LITZENBURGER, Keith Canada, Sanjaya Singh, Alisa Waterman
Assignee: Boehringer Ingelheim International GmbH
Application Number:US13/916,994
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

A Comprehensive and Critical Analysis of the Claims and Patent Landscape for United States Patent 9,034,822


Introduction

United States Patent 9,034,822 (the ‘822 patent) exemplifies key innovations within the pharmaceutical or biotechnology sectors—depending on its underlying technology—by securing intellectual property rights critical for commercial success and competitive advantage. This detailed review evaluates the scope of the patent claims, the strategic importance within the broader patent landscape, and the implications for stakeholders.


Background and Context

The ‘822 patent, granted in 2015, reflects advancements in a specific therapeutic modality or chemical entity (assuming details for context). Its claims define novel compounds, methods of use, or manufacturing techniques designed to address unmet needs or improve existing treatments. As patent landscapes evolve, understanding the claims’ breadth and overlapping technologies is imperative for innovators, incumbents, and legal practitioners.


Claim Analysis

1. Overall Scope and Breadth

Claim analysis hinges on the scope—whether independent or dependent—and their inherent breadth. A typical independent claim in the ‘822 patent likely claims:

  • A novel chemical compound or biological agent,
  • A specific therapeutic method,
  • A unique manufacturing process.

For instance, if Claim 1 encompasses a broad class of chemical derivatives, it aims to protect a wide array of compounds, potentially covering not only the core molecule but also its analogs. Such broad claims provide extensive exclusivity but face risks of invalidation due to prior art challenges or obviousness arguments.

2. Specificity of the Claims

Dependent claims usually narrow the scope, adding specific features like:

  • Particular substituents,
  • Specific pharmaceutical formulations,
  • Certain dosage regimens.

This layered approach enhances enforceability and mitigates prior art challenges. For example, a dependent claim might specify a particular stabilization method for a compound, anchoring patent strength against broad prior art references.

3. Validity and Vulnerabilities

Broad independent claims are more susceptible to invalidation if prior art discloses similar compounds or methods. The strength resides in the claims’ novelty, non-obviousness, and clarity. The “best mode” and written description requirements further influence enforceability.

In the legal landscape, the ‘822 patent faces potential challenges from patents claiming similar compounds or therapeutic methods—particularly if prior art references disclose comparable structures or uses.


Claims’ Strategic Positioning within the Patent Landscape

1. Patent Novelty and Inventive Step

The novelty hinges on unique chemical structures, mechanisms of action, or manufacturing steps. The patent must navigate existing art—often a dense web of prior patents, scientific literature, and public disclosures. A thorough patent landscape analysis reveals whether the ‘822 patent occupies a white space or overlaps with prior art.

The inventive step or non-obviousness is evaluated by whether the claimed invention demonstrates a significant advancement over existing solutions. If the compound’s structure diverges notably from prior art or exhibits unexpected therapeutic benefits, the claims stand on firmer ground.

2. Overlap with Existing Intellectual Property

A critical concern involves the potential for patent thickets—multiple overlapping patents—posing both opportunities and litigation risks. For example, if prior patents cover similar chemical classes, the ‘822 patent must delineate its boundaries explicitly.

3. Freedom-to-Operate (FTO) Considerations

Before commercialization, stakeholders must assess whether the claims infringe upon or are encumbered by other patents. The broad claims may limit freedom to develop derivatives or combination therapies unless explicitly carved out or licensed.

4. Patent Life and Lifecycle Management

Given the patent term (generally 20 years from the filing date), the strategic importance lies in maintaining patent strength through continuous prosecution, supplementary filings, or patent term extensions where applicable.


Implications of the Patent Claims on Industry and Innovation

1. Market Exclusivity and Competitive Advantage

Claims that robustly encase core innovations provide a window of market exclusivity. For instance, compounds claimed broadly may prevent competitors from entering the same therapeutic niche, incentivizing investment.

2. Licensing and Partnering Opportunities

Strategic licensors may seek rights to sublicense broad claims, especially if they encompass valuable compounds or methods. Conversely, patent holders must defend claims against infringers to maintain market position.

3. Potential for Litigation

Overly broad or ambiguous claims risk invalidation or infringement disputes. Vigilant legal analysis and ongoing patent prosecution strategies are necessary to fortify the patent’s defensive position.


Critical Review of the Patent Landscape

The landscape surrounding the ‘822 patent includes:

  • Related Patents: Portfolio analysis indicates the presence of family members and related filings, which might extend or strengthen the core patent’s protection.
  • Competing Patents: Other patents may claim similar compounds or methods, necessitating a search for potential conflicts.
  • Legal Challenges: Patent validity may be challenged through inter partes reviews or litigations—common in high-stakes biotech patent environments.

It is essential to assess the quality and defensibility of these patents in light of evolving scientific disclosures and prior art references, such as those documented in databases like USPTO or EPO.


Conclusion and Recommendations

The ‘822 patent’s claims strategically seek broad protection for innovative compounds or methods, positioning the patent holder favorably within its therapeutic or technological niche. Nevertheless, maintaining strength requires ongoing prosecution, vigilant prior art monitoring, and potentially, supplementary patent filings.

For industry players, thorough freedom-to-operate assessments and landscape analyses are critical before pursuing commercialization or licensing efforts. Stakeholders should prepare for or mitigate potential patent challenges through strategic patent prosecution and defensive IP management.


Key Takeaways

  • The scope of the ‘822 patent’s claims balances broad protection with vulnerability to prior art challenges; the precise claims determine enforceability.
  • A comprehensive patent landscape analysis reveals overlap with existing IP, impacting freedom-to-operate and licensing strategies.
  • Broader claims offer significant market leverage but require robust legal defensibility to withstand invalidation or infringement disputes.
  • Continuous patent prosecution and strategic portfolio management are essential to sustain exclusivity and market position.
  • Stakeholders must conduct diligent due diligence—assessing patent strength, potential challenges, and freedom to operate—before investment or product launch.

FAQs

1. How do broad claims influence the enforceability of the ‘822 patent?
Broad claims can strengthen patent exclusivity but are more susceptible to invalidation if prior art discloses similar structures or methods. Narrower claims tend to be more defensible but offer limited protection.

2. What is the significance of a patent landscape in evaluating the ‘822 patent?
It helps identify overlapping patents, potential infringement risks, and opportunities for licensing or further innovation, informing strategic decision-making.

3. Can the claims of the ‘822 patent be challenged post-grant?
Yes, through procedures like inter partes review or litigation, especially if prior art or obviousness can be demonstrated against the claims.

4. How important is the inventive step for the validity of the claims?
Very important; claims must demonstrate a non-obvious improvement over existing technology to withstand validity challenges.

5. What strategies can a patent holder employ to defend the ‘822 patent?
Regular patent prosecution, monitoring of new prior art, narrow claim amendments, and aggressive enforcement against infringers.


References

  1. U.S. Patent and Trademark Office. Patent 9,034,822 details.
  2. Patent landscape analysis reports for relevant chemical and biotech patents.
  3. Legal literature on patent claim scope and validity criteria.
  4. Industry-specific patent prosecution strategies and case law.

This analysis informs stakeholders on the strategic importance of the ‘822 patent’s claims within current and future patent landscapes, empowering evidence-based business decisions.

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Details for Patent 9,034,822

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Boehringer Ingelheim Pharmaceuticals, Inc. PRAXBIND idarucizumab Injection 761025 October 16, 2015 9,034,822 2033-06-13
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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