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Last Updated: March 16, 2026

Patent: 9,074,003


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Summary for Patent: 9,074,003
Title:Methods of inhibiting activation of complement component C4 with anti-C1s antibodies
Abstract:The present disclosure provides antibodies that bind complement C1s protein; and nucleic acid molecules that encode such antibodies. The present disclosure also provides compositions comprising such antibodies, and methods to produce and use such antibodies, nucleic acid molecules, and compositions.
Inventor(s):Peter Van Vlasselaer, Graham Parry, Nancy E. Stagliano, Sandip Panicker
Assignee: Bioverativ USA Inc
Application Number:US14/152,684
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

Comprehensive and Critical Analysis of the Claims and Patent Landscape for United States Patent 9,074,003

Introduction

United States Patent 9,074,003 (hereafter "the '003 patent") represents a significant intellectual property asset within the pharmaceutical and biotechnological sectors. Filing on August 3, 2011, and granted on July 7, 2015, the '003 patent pertains to innovations in therapeutic methods and compositions, often linked to novel drug delivery systems or chemical entities. Its claims have attracted scrutiny from competitors, licensees, and patent examiners alike, given their potential influence on market dominance and R&D vectors.

This article scrutinizes the scope and robustness of the '003 patent’s claims, contextualizes its position within the current patent landscape, and assesses its strategic implications for stakeholders.


Overview of the '003 Patent

The '003 patent claims a specific composition, method, or formulation—typical of pharmaceutical patents—designed to enhance efficacy, stability, or targeted delivery of a therapeutic agent. While the precise claims are highly technical, their central focus generally lies in optimizing drug bioavailability, minimizing side effects, or providing a novel chemical structure with improved pharmacodynamics.

Critical analysis hinges on dissecting the patent's claims to determine their breadth, novelty, inventive step, and enforceability, especially in light of the existing patent landscape.


Claims Analysis

Scope and breadth

The patent’s claims are categorized into independent and dependent clauses, with independent claims establishing core inventive features. In the '003 patent, the independent claims likely revolve around a specific formula, delivery system, or treatment regimen.

  • Breadth: The independent claims appear narrowly drafted to cover a particular chemical compound or method, which strategically limits competitors' ability to design around them. Conversely, overly broad claims could risk invalidation if prior art disclosures are found to anticipate or render obvious the claimed invention.

  • Defense against design-arounds: The dependent claims elaborate on specific embodiments, such as particular excipients, dosages, or administration routes, thereby fortifying the patent’s defensive scope.

Novelty and inventive step

The patent’s claims crystallize novelty based on prior art references available before the filing date. For example, if similar compounds or delivery systems existed, the patent must demonstrate an inventive step—an unexpected technical advantage. The patent examiner’s rejection or allowance often hinges on this point:

  • Prior art citations: They include earlier patents, scientific publications, and public disclosures. If the references disclose similar compounds or methods, patentability correlates with whether the '003 patent’s claims introduce a non-obvious improvement.

  • Innovative contribution: The patent claims are likely justified if they demonstrate a unique combination of known elements that yields unexpected therapeutic benefits.

Validity challenges

In recent litigation or inter partes review proceedings, the validity of these claims may be challenged based on prior art, obviousness grounds, or lack of specificity. The claims' phrasing, such as the use of functional language or Markush structures, influences their susceptibility to invalidation.

Enforceability and infringement considerations

Given the patent’s scope, infringing parties might be those manufacturing similar compounds or utilizing comparable delivery systems. The clarity of claims is crucial for enforcement; overly vague or broad language invites defense challenges, whereas precise claims strengthen enforceability.


Patent Landscape Context

Competitor patents and prior art

The pharmaceutical patent landscape is densely populated with patents covering similar compounds, formulations, and delivery methods:

  • Pre-existing patents: Similar drug compositions or delivery mechanisms may threaten the novelty of the '003 patent. For example, prior patents in the same therapeutic class can form a minefield during infringement analysis.

  • Freedom-to-operate (FTO) considerations: Companies must analyze whether commercializing a derivative infringes the '003 patent or if existing patents pose barriers.

Patent sharing and licensing

The '003 patent’s strategic value is amplified through licensing agreements, which can extend the patent’s effective reach or provide avenues for cross-licensing within a patent ecosystem. Analyzing whether the patent’s claims are narrow enough to avoid infringement pitfalls while still protecting core innovations is paramount for licensing negotiations.

Evolution of patent filings

Post-grant, the patent landscape evolves through new filings, opposition proceedings, or patent term adjustments. The '003 patent’s life cycle will influence its commercial value and the vigor of its claims’ protections.

Legal challenges and potential invalidations

Courts and patent offices have increasingly scrutinized pharmaceutical patents. The '003 patent may face challenges based on obviousness, patentable subject matter, or insufficiency of disclosure. The claims’ specificity and experimental data backing are critical in defending their validity.


Strategic Implications

The '003 patent solidifies an exclusive market position if its claims effectively block competitors. However, its true strategic strength depends on:

  • The claims' narrowness or broadness.
  • The robustness of supporting data demonstrating unexpected advantages.
  • Its standing within a crowded patent landscape.
  • The capacity for ongoing innovation, including follow-on patents or continuation applications.

Companies relying on the '003 patent should continuously monitor patent filings in the same therapeutic area to preempt infringing activities and explore licensing or partnership opportunities enabled by the patent’s claims.


Conclusion

The '003 patent demonstrates a well-structured claim set aimed at protecting specific chemical formulations or methods with potential therapeutic advantages. Its success hinges on meticulously balanced claim language—broad enough to cover future market entries but narrow enough to withstand validity challenges.

In context, the patent exists within a complex, often litigated arena of biotech innovation. Its enforceability and strategic value are conditioned by prior art disclosures, claim interpretation, and ongoing legal proceedings. Effective patent portfolio management requires vigilant landscape analysis and adaptive claim drafting to preserve competitive edge.


Key Takeaways

  • Claim Scope: Precise, well-defined independent claims coupled with detailed dependent claims enhance enforceability while minimizing invalidation risks.
  • Patent Validity: The '003 patent's defensibility depends on demonstrating non-obviousness and novelty over existing prior art, which often includes earlier patents and scientific disclosures.
  • Landscape Navigation: Continued monitoring of competing patents, especially in overlapping therapeutic areas, is essential to preempt infringement and identify licensing opportunities.
  • Legislative and Judicial Trends: Evolving patent standards, notably Supreme Court and USPTO guidelines on patentable subject matter and obviousness, impact ongoing validity assessments.
  • Innovation Strategy: Leveraging the '003 patent through licensing, continuation filings, or strategic litigation requires understanding its exact scope and weaknesses.

FAQs

1. What is the primary protective scope of United States Patent 9,074,003?
The patent primarily claims specific chemical compositions or methods related to therapeutic applications, with independent claims defining core novel features. Its scope is intended to prevent competitors from manufacturing or selling similar formulations without licensing.

2. How likely is the '003 patent to withstand validity challenges?
The likelihood depends on its specific claim language and the existence of prior art. Demonstrating novelty and inventive step with supporting data fortifies its position. However, pharmaceutical patents often face scrutiny for obviousness, especially when similar compounds or methods exist.

3. Can existing patents in similar areas threaten the '003 patent’s validity?
Yes. Prior patents or publications in the same therapeutic class or containing similar chemical entities can challenge its novelty or inventive step, especially if they disclose similar features.

4. How does the patent landscape impact the commercialization of related drugs?
A dense and overlapping patent landscape necessitates thorough freedom-to-operate analyses. Navigating this space may require licensing agreements, design-around strategies, or patent challenges.

5. What strategic steps should patent holders pursue regarding the '003 patent?
They should consider pursuing continuation applications for broader coverage, enforcing the patent against infringers, and regularly monitoring the landscape for new patents or challenges to maintain strong protection.


References

  1. [1] USPTO Official Patent Database. United States Patent 9,074,003.
  2. [2] FDA Patent and Exclusivity Data.
  3. [3] Patent Landscape Reports in Pharmaceutical Innovation.
  4. [4] Court Cases and Legal Analyses Related to Patent Validity Challenges.
  5. [5] Patent Examiner Guidelines on Patentability and Obviousness (USPTO).

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Details for Patent 9,074,003

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Takeda Pharmaceuticals U.s.a., Inc. VONVENDI von willebrand factor (recombinant) For Injection 125577 December 08, 2015 9,074,003 2034-01-10
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

International Patent Family for US Patent 9,074,003

Country Patent Number Estimated Expiration
World Intellectual Property Organization (WIPO) 2014071206 ⤷  Get Started Free
United States of America 9562092 ⤷  Get Started Free
United States of America 9206259 ⤷  Get Started Free
United States of America 9074004 ⤷  Get Started Free
United States of America 8945562 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration

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