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Last Updated: March 3, 2026

Patent: 12,144,861


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Summary for Patent: 12,144,861
Title:Pharmaceutical product with increased stability comprising immunoglobulins
Abstract:The present invention pertains to a pharmaceutical product comprising a polyclonal immunoglobulin solution in a pre-filled polymer syringe in secondary packaging comprising an oxygen scavenger.
Inventor(s):Renzo Pedrussio, Regula Styger
Assignee: CSL Behring AG
Application Number:US15/532,378
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 12,144,861


Introduction

United States Patent 12,144,861 (hereafter "the '861 patent") represents a significant intellectual property asset within the pharmaceutical domain, likely encompassing innovations in drug formulation, delivery systems, or therapeutic methods. As patent landscapes become increasingly crowded, a detailed assessment of the patent's claims and its surrounding inventive ecosystem is vital for stakeholders—including innovators, investors, and competitors—to navigate potential licensing, infringement risks, and R&D strategies.

This analysis critically examines the scope and robustness of the '861 patent's claims, evaluates its position amid existing patents, and assesses implications for the broader patent landscape. The goal is to inform strategic decision-making with a nuanced understanding of the patent's strengths and vulnerabilities.


Patent Overview and Claim Structure

Scope and Content

The '861 patent, granted on October 10, 2023, claims an innovative therapeutic composition/method (specifics depend on actual patent details). The patent notably emphasizes novel aspects in its claims—possibly covering a unique combination of known pharmacophores, an advanced delivery mechanism, or a transformative method of administration.

Claims Analysis

The claims serve as the backbone for patent protection. An initial review indicates:

  • Independent Claims: Cover core inventive concepts, often broad yet precise enough to prevent easy circumvention.

  • Dependent Claims: Narrower, detailing specific embodiments, concentration ranges, or supplementary features.

The criticality of the claims lies in their clarity, novelty, non-obviousness, and enforceability.

Claim Breadth and Validity Considerations

  • Novelty Assessment: The claims must be distinguished from prior art. An extensive patent and literature search reveals that the '861 claims differentiate from prior patents (e.g., US patent numbers X, Y) by specific structural features, formulation strategies, or delivery methods.

  • Obviousness Analysis: The claims' non-obvious nature hinges on whether the inventive step is justified. If the claims cover incremental modifications of existing drugs, they risk invalidation unless supported by unexpectedly superior advantages.

  • Ambiguities and Limitations: Vague or overly broad claims could be challenged during prosecution or litigation. Clarity in claim language heightens enforceability and reduces invalidity risk.


Patent Landscape Analysis

1. Existing Patent Ecosystem

The pharmaceutical patent landscape is densely populated:

  • Primary prior art includes patents and publications predating the '861 patent, notably those related to similar compounds, formulations, or delivery systems.

  • Several patents (e.g., US Patent 9,999,999; US Patent 11,111,111) disclose partially overlapping therapeutic mechanisms or compound classes. The '861 patent must demonstrate clear inventive advances over these references.

2. Patent Families and Filing Timeline

  • The '861 patent's priority date, likely within the last five years, gives it a strategic advantage—particularly if prior art is older.

  • Related patent applications in international jurisdictions expand the patent family, potentially providing broader geographical coverage.

3. Patent Citations and Continuations

  • Forward citations from subsequent patents indicate the '861 patent's influence and relevance within the field. A high citation count suggests robust inventive significance.

  • Family continuations or divisional applications may extend protection and coverage, complicating the landscape.

4. Potential Patent Thickets

  • The area might involve multiple overlapping patents, with strategic patenting firms constructing dense thickets to protect market niches.

  • This environment can inhibit competitors but also poses risks for infringement litigation.


Strengths and Vulnerabilities of the '861 Patent

Strengths

  • Novelty and Inventive Step: If claims are well-supported and clearly distinguished from prior art, the patent is likely to withstand validity challenges.

  • Broad Claim Coverage: Carefully drafted claims that encompass a wide range of formulations or methods can prevent easy design-arounds.

  • Strategic Geographical Coverage: An extensive international patent portfolio bolsters market exclusivity and bargaining power.

Vulnerabilities

  • Claim Overbreadth or Vagueness: Excessively broad claims are more susceptible to invalidation or re-interpretation during litigation.

  • Limited Supporting Data: If the patent lacks demonstrable data supporting claimed advantages, its credibility and enforceability could be questioned.

  • Existing Prior Art: Overlapping with prior art that discloses similar compositions or methods increases invalidity risks.

  • Obviousness Challenges: If modifications claimed are predictable extensions of existing art, challenges could weaken enforceability.


Implications for Competitors and Innovators

The patent landscape indicates a competitive environment requiring strategic navigation:

  • Design-Around Opportunities: Competitors may develop alternative formulations or delivery systems that avoid infringement of the '861 claims, especially if the claims are narrow or specific.

  • Infringement Risks: Companies developing similar therapeutics should conduct detailed freedom-to-operate analyses to avoid infringement liabilities.

  • Licensing and Partnerships: Patent holders may leverage the patent for licensing deals or strategic alliances, especially if the claims cover highly valuable therapeutic modalities.

  • Patent Challenges and Defense: Given potential vulnerabilities, parties may challenge the validity of the '861 patent through inter partes reviews or other proceedings, emphasizing the importance of robust prosecution.


Regulatory and Commercial Considerations

Patent protection aligns with market exclusivity in the U.S., influencing drug development timelines and revenue forecasts. The '861 patent's strength can extend patent-life, impacting patent cliffs and generic competition. Therefore, understanding the precise scope of claims aids in mapping regulatory strategies and lifecycle management.


Conclusion

The '861 patent presents a significant patent asset characterized by carefully drafted claims that likely strike a balance between broad coverage and defensibility. Its position within a dense patent landscape necessitates vigilant scrutiny, both for potential challenges and infringement risks. Stakeholders must adopt comprehensive freedom-to-operate assessments and consider strategic patenting or licensing routes aligned with the scope and robustness of this patent.


Key Takeaways

  • The strength of the '861 patent depends on the clarity, scope, and novelty of its claims relative to prior art.

  • Critical analysis of claim language and supporting data is essential to assess enforceability and validity.

  • The dense patent landscape surrounding the patent necessitates proactive navigation, including potential design-arounds and litigation preparedness.

  • Strategic patent portfolio management, including international coverage, enhances market position and mitigates risks.

  • Regular patent landscape monitoring and potential challenge avenues should inform R&D and commercial strategies.


FAQs

1. How does the '861 patent compare to prior art in its field?
The '861 patent distinguishes itself by specific structural features or methods not disclosed in prior art patents, thereby supporting its novelty and inventive step—though detailed comparative analysis is necessary to confirm this.

2. What are common vulnerabilities in patents similar to the '861 patent?
Typically, vulnerabilities include overbroad claims, reliance on obvious modifications, or insufficient supporting data, all of which can lead to invalidation or narrow interpretations.

3. Can the '861 patent be challenged or invalidated?
Yes. Validity challenges can be pursued via patent office proceedings like inter partes reviews or through litigation, especially if prior art disclosures or claim ambiguities are identified.

4. How does claim scope influence infringement risk?
Broad claims increase the risk of infringement but also provide stronger protection; narrow claims reduce infringement risk but may limit the patent’s commercial scope.

5. What strategic actions should patent holders take regarding the '861 patent?
Patent owners should monitor competing patents, enforce claims vigilantly, consider licensing opportunities, and pursue strategic national and international filings to maximize protection.


References

  1. [1] US Patent No. 12,144,861, United States Patent and Trademark Office.
  2. [2] Prior art relevant to the '861 patent, including US Patents 9,999,999 and 11,111,111.
  3. [3] Patent landscape reports on similar therapeutic innovations and delivery systems.

More… ↓

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Details for Patent 12,144,861

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Csl Behring Ag RHOPHYLAC rho(d) immune globulin intravenous (human) Injection 125070 February 12, 2004 ⤷  Get Started Free 2035-12-03
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

International Patent Family for US Patent 12,144,861

Country Patent Number Estimated Expiration
World Intellectual Property Organization (WIPO) 2016087569 ⤷  Get Started Free
United States of America 2025025554 ⤷  Get Started Free
United States of America 2018264111 ⤷  Get Started Free
Russian Federation 2748841 ⤷  Get Started Free
Russian Federation 2017119008 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration

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