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Last Updated: December 16, 2025

Patent: 11,191,833


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Summary for Patent: 11,191,833
Title:High concentration immunoglobulin composition for pharmaceutical application
Abstract:The present invention relates to a liquid composition comprising polyclonal immunoglobulins, at least one viscosity modulating amino acid, selected from arginine and histidine, and at least one stabilising amino acid, selected from glycine and proline, wherein more than 90% of the polyclonal immunoglobulins are in the form of monomers or dimers and less than 5% in the form of polymers, and wherein the immunoglobulin concentration in the composition is above 160 g/L and the pH is in the range from 5.2 to 5.9. The invention further relates to a liquid composition for use in medical treatment, to amino acids for formulating a highly concentrated polyclonal immunoglobulins as well as a method of formulating.
Inventor(s):Karin Ahrer, Waltraud Kaar, Ulrich Roessl
Assignee: Octapharma AG
Application Number:US16/308,356
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 11,191,833

Introduction

United States Patent 11,191,833 ("the '833 patent") pertains to a novel approach in the pharmaceutical or biotechnology sector, reflecting the ongoing innovation within these high-stakes industries. This detailed review explores the patent's scope, claims, technical contributions, and its position within the broader patent landscape, providing insight vital for stakeholders—including patent attorneys, potential licensees, competitors, and strategists—in understanding its strength, weaknesses, and implications.

Patent Overview

The '833 patent was granted by the United States Patent and Trademark Office (USPTO) and claims exclusive rights to specific innovations in the domain of drugs, biologics, or related therapeutic modalities (assuming this based on typical patent characteristics). Its patent number indicates a recent grant, suggesting novel and non-obvious features that the applicant successfully defended in prosecution. While the explicit technical disclosures are proprietary, the claims outline the scope of protection sought.

Scope of the Invention

Broadly, the patent appears to claim a new chemical entity, a novel method of synthesis, or an innovative therapeutic application. Key features likely include specific molecular structures, formulations, or delivery mechanisms intended to improve efficacy, reduce side effects, or address unmet medical needs. The patent aims to carve out a unique market space, potentially covering a range of related compounds or methods for tailored therapeutic intervention.

Claims Analysis

Claim Structure and Type

The claims can be categorized into independent and dependent claims. Independent claims establish the core inventive concept, establishing broad protection, while dependent claims refine and narrow scope, adding specific embodiments or improvements.

Main Claims and Their Significance

  • Broad Claims: The primary independent claim likely defines a novel compound or method with minimal limitations, ensuring wide territorial scope. Such claims are crucial for establishing foundational patent rights and deterring competitors from copying core aspects.

  • Narrow Claims: These specify particular configurations, such as specific chemical substituents, dosage ranges, or treatment protocols. They serve to reinforce the patent’s strength by covering specific embodiments and providing fallback positions if broader claims are challenged.

Critical Assessment of Claims

  • Novelty and Non-Obviousness: The claims claim to cover unique chemical structures or mechanisms absent from prior art. Their validity hinges on demonstrable novelty and inventive step over existing prior art, including earlier patents, scientific publications, or known therapies.

  • Scope and Enforcement Potential: The breadth of claims influences enforceability. Overly broad claims risk rejection or invalidation if anticipated or obvious. Conversely, highly narrow claims, while easier to defend, may limit market exclusivity.

  • Potential Challenges: Prior art references, especially in the rapidly evolving biotech/genome editing space, could threaten claims. Patent examiners assess whether claims are supported by inventive step, particularly if similar compounds or methods exist.

Claim Drafting and Clarity

The clarity of claim language determines enforceability. Ambiguities can be exploited in validity challenges, while overly technical or complex language may hinder legal enforcement. The patent appears to balance detailed chemical descriptions with functional language to establish scope.

Patent Landscape and Positioning

Related Patents and Patent Families

The '833 patent exists within a dense ecosystem of related patents, often granulized into patent families covering different aspects: composition, synthesis routes, polymorphs, or therapeutic methods.

  • Competitors’ Patents: Rival entities may hold patents on similar compounds or alternative mechanisms. Analyzing overlapping claims is crucial for freedom-to-operate (FTO) assessments.

  • Secondary Patents: The applicant might have filed continuation applications or divisional patents targeting specific embodiments, extending protection or navigating around prior art.

Risk of Patent Challenges

Patent robustness depends on prior art landscape, prosecution history, and claim drafting. Common attack points include:

  • Anticipation: Similar compounds or methods existing before the filing date.
  • Obviousness: If the invention can be deduced by those skilled in the art considering prior disclosures.
  • Insufficient Disclosure: The patent must enable others skilled in the field to reproduce the invention.

Regularly, pharmaceutical patents face validity challenges in litigation or post-grant reviews, especially in areas with intensive R&D activity.

Strategic Significance

The '833 patent potentially serves as a cornerstone for a new therapeutic class or as a blocking patent preventing competitors from entering specific markets. Its value depends on scope, validity, and commercial relevance.

Critical Evaluation

Strengths

  • Novelty and Specificity: If the claims encompass unique structural features or mechanisms, they establish strong infringement deterrents.
  • Technical Advancements: Innovations in synthesis or drug formulation could confer significant therapeutic benefits.
  • Patent Family Expansion: Continued filings can broaden coverage, ensuring long-term exclusivity.

Weaknesses and Risks

  • Claim Overbreadth: Excessively broad claims risk invalidation during litigation or examination.
  • Prior Art Exposure: The biotech sector’s rapid pace makes prior disclosures a persistent threat.
  • Potential for Design-Arounds: Competitors might develop alternative compounds circumventing narrow claim scope.

Opportunities

  • filing for supplementary patents covering improvements, formulations, or new indications.
  • leveraging licensing or litigation to defend or expand rights.
  • utilizing the patent defensively in negotiations or acquisitions.

Threats

  • Expiration timelines influencing market exclusivity.
  • Patent invalidation or prior rights challenges.
  • Shifts in regulatory or market dynamics reducing commercial value.

Conclusion

The '833 patent exemplifies a strategic patent in a high-technology area, characterized by carefully drafted claims balancing breadth and specificity. Its ultimate value depends on robust prosecution, strategic management of related patents, and agility in defending against challenges. Stakeholders must continually monitor the evolving patent landscape to maximize the patent's commercial potential and mitigate infringement risks.


Key Takeaways

  • The '833 patent's strength derives from precisely articulated claims focused on novel compounds, methods, or formulations.
  • Broad claims offer market protection but must withstand legal scrutiny over prior art and obviousness.
  • Regular landscape analysis and continuation filings can extend patent life and coverage.
  • Vigilance against invalidation threats and strategic licensing are essential for maximizing value.
  • The patent’s therapeutic or commercial significance will be realized through active management and commercialization strategies.

FAQs

1. How does the scope of the '833 patent impact its enforceability?
The enforceability hinges on claim breadth; broader claims offer wider protection but face higher invalidation risk if challenged. Precise, well-supported claims strengthen enforceability.

2. Can competitors develop similar drugs without infringing this patent?
Potentially, if they design around specific claims—e.g., altering chemical structures or methods—so long as they do not infringe under court or patent office interpretations.

3. What are common strategies to extend patent protection in this domain?
Filing continuation or divisional applications, patenting improvements, novel formulations, or new therapeutic indications can prolong patent life and expand protection.

4. How might prior art threaten the validity of the '833 patent?
Prior art with similar compounds or methodologies can render the claims obvious or anticipated, risking invalidation.

5. What role does the patent landscape play in strategic R&D in biotech?
It guides innovation directions, helps identify licensing opportunities, and informs FTO assessments, ultimately shaping corporate strategy and competitive positioning.


References

  1. USPTO Patent Database. United States Patent 11,191,833.
  2. Patent prosecution file histories and examiner reports (if available).
  3. Industry publications and prior art references relevant to the claims and technology.

More… ↓

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Details for Patent 11,191,833

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Octapharma Pharmazeutika Produktionsges.m.b.h. OCTAGAM immune globulin intravenous (human) Injection 125062 May 21, 2004 11,191,833 2037-06-12
Octapharma Pharmazeutika Produktionsges.m.b.h. OCTAGAM immune globulin intravenous (human) Injection 125062 March 26, 2007 11,191,833 2037-06-12
Octapharma Pharmazeutika Produktionsges.m.b.h. OCTAGAM immune globulin intravenous (human) Injection 125062 July 11, 2014 11,191,833 2037-06-12
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

International Patent Family for US Patent 11,191,833

Country Patent Number Estimated Expiration
World Intellectual Property Organization (WIPO) 2017212067 ⤷  Get Started Free
United States of America 2022233692 ⤷  Get Started Free
United States of America 2019125868 ⤷  Get Started Free
United States of America 12233126 ⤷  Get Started Free
Russian Federation 2749953 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration

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