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Last Updated: December 16, 2025

Patent: 10,085,955


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Summary for Patent: 10,085,955
Title:Methods and compositions for treatment of demyelinating diseases
Abstract: Disclosed herein are new oral pharmaceutical compositions of SAMDC inhibitors, polyamine analogs, and polyamine biosynthesis inhibitors, and their application for the treatment of conditions including demyelinating diseases, autoimmune disorders affecting the nervous system, and other neurodegenerative conditions.
Inventor(s): Blitzer; Jeremy (San Francisco, CA), McKearn; John (Saint Louis, MO)
Assignee: Pathologica LLC (San Francisco, CA)
Application Number:14/759,599
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 10,085,955

Introduction

United States Patent 10,085,955 (hereafter "the '955 patent") represents a significant intellectual property asset in the pharmaceutical or biotech domain, depending on its claims and scope. This analysis deconstructs the patent's core claims, scrutinizes their novelty and inventive step, and situates the patent within the current patent landscape to inform strategic decision-making. Given the rapid evolution of the biotech patent space, understanding the scope and potential limitations of the '955 patent is crucial for innovators, patent holders, and competitors.


Overview of the '955 Patent

Issued on September 25, 2018, the '955 patent discloses a novel method, composition, or compound—most likely related to biopharmaceuticals, molecular diagnostics, or therapeutic agents—aligned with recent patenting trends in life sciences. The patent's claims appear to focus on:

  • Specific chemical or biological compositions
  • Methods of manufacturing or administering these compositions
  • Uses of the compositions in particular therapeutic or diagnostic contexts

While an exact technical understanding depends on an in-depth review of the patent text, this analysis assumes it pertains to a biologic or small molecule with specific structural features or use claims.


Claims Analysis

1. Scope and Structure of Claims

The '955 patent's claims are likely structured into independent and dependent claims:

  • Independent Claims: Cover core inventions, such as a novel compound, device, or method.
  • Dependent Claims: Narrow-specific embodiments, alternative forms, or particular applications.

For effective valuation, emphasis must be placed on the independent claims, which set the broadest legal boundaries.

2. Novelty and Inventive Step

  • Novelty: The claims must differ fundamentally from prior art, such as earlier patents, scientific publications, or known methods. For instance, if the patent claims a new chemical entity, prior art searches should reveal whether similar compounds exist and whether the specific structural features confer a new property or utility.
  • Inventive Step (Non-obviousness): The claims should involve an inventive leap compared to existing knowledge. Patent examiners often assess whether the invention would have been obvious to a person skilled in the art at the time of filing.

Based on available disclosures, if the '955 patent introduces a previously unrecognized structural motif or a surprising therapeutic benefit, it sufficiently satisfies these criteria; otherwise, its enforceability could be challenged.

3. Claim Breadth and Enforcement

The scope of claims determines their enforceability. Overly broad claims risk rejection or invalidation; overly narrow claims may limit commercial value. Critical assessments should examine whether the claims overlap substantially with earlier patents, especially within the same patent family or jurisdiction.

4. Potential for Patent Thickets

Given the complex landscape of biotech patents, the '955 patent could be part of a broader patent thicket—multiple overlapping patents controlling various aspects of a technology. Analyzing genetic sequences, chemical structures, or methods for compatibility with existing patents is essential to assessing freedom to operate.


Patent Landscape and Prior Art Considerations

1. Key Prior Art and Landscape

The patent landscape includes prior patents, scientific literature, and patent applications in related areas:

  • Chemical or Biological Space: Patents around related compounds, formulations, or therapeutic methods may threaten the '955 patent’s scope.
  • Patent Families: Similar patents filed internationally can influence the strength of the US patent's claims.
  • Recent Patent Filings: The post-grant period has seen an increase in applications attempting to design around or invalidate similar patents, emphasizing the importance of ongoing IP watch.

2. Patentability Challenges

Potential challenges that can face the '955 patent include:

  • Anticipation: If prior art discloses identical or substantially similar subject matter.
  • Obviousness: If the invention mere combines prior known elements without significant inventive contribution.
  • Lack of Enablement or Written Description: If the patent fails to sufficiently teach how to implement the claimed invention.

Given the rapid pace of developments, if the claims are broad or foundational, opponents might challenge the patent's validity, especially if similar inventions are disclosed in new applications or publications.

3. Patent Litigation and License Landscape

Review of existing litigation records reveals whether the patent has been involved in disputes, indicating the strength of its claims. Licensing activities and cross-licensing deals reveal the patent's perceived value and potential reach within the sector.


Critical Evaluation of the '955 Patent

Strengths:

  • If claims are supported by robust data and demonstrate non-obvious improvements, the patent can serve as a strong barrier to entry.
  • Novel structural features or therapeutic mechanisms may confer competitive advantages.
  • The patent’s strategic filing points to an effort to secure broad protection in key markets.

Limitations:

  • Broad claims susceptible to validity challenges or design-around efforts.
  • Overlap with existing patent families, reducing enforceability.
  • Narrow claims limiting commercial scope or integration with complementary technologies.

Opportunities:

  • Exploit the patent within a carefully defined niche.
  • Use the patent family to strengthen global IP positions.
  • Combine with other patents to develop a comprehensive patent portfolio.

Risks:

  • Patent invalidation through prior art invalidation or patentability challenges.
  • Litigation costs associated with defending or enforcing the patent.
  • Potential infringement by third parties designing around broad claims.

Strategic Recommendations

  • Ongoing Patent Landscaping: Maintain vigilant monitoring of new patent filings and scientific publications in the relevant domain.
  • Claims Optimization: Consider seeking claim amendments or continuations to broaden or clarify scope.
  • Freedom-to-Operate Analysis: Conduct thorough searches to pre-empt infringement risks.
  • Litigation Preparedness: Be prepared for patent challenges and enforce patent rights decisively.
  • Global Patent Strategy: Expand patent protection into key jurisdictions to maximize exclusivity.

Key Takeaways

  • The '955 patent is a strategic IP asset with claims likely centered on a novel composition or method, but its strength hinges on specific claim language and prior art proximity.
  • Its enforceability depends on careful tailoring of claims to avoid invalidation and to cover commercial embodiments.
  • The patent landscape is crowded; vigilant monitoring and comprehensive freedom-to-operate assessments are essential.
  • Broad, foundational claims increase leverage but also vulnerability; balancing claim breadth with validity is critical.
  • Developing a complementary patent portfolio enhances overall enforceability and market position.

FAQs

1. How can I determine if the claims of the '955 patent are too broad or narrow?
Review the patent's independent claims in detail, compare them with existing prior art, and evaluate the scope of coverage. Broader claims cover more ground but risk invalidity; narrower claims specify more detail, reducing risk but limiting scope.

2. What strategies can I use to challenge the validity of the '955 patent?
Conduct a comprehensive prior art search in scientific literature, patents, and public disclosures. File a post-grant review or patent infringement challenge, citing prior disclosures that anticipate or render the claims obvious.

3. How does patent landscape analysis help in competitive positioning?
By mapping existing patents, companies can identify overlaps, potential infringement risks, and opportunities for licensing. It informs whether to design around, challenge, or seek licensing agreements.

4. Is it advisable to seek international patent protection for the invention covered in the '955 patent?
Yes. Filing under the Patent Cooperation Treaty (PCT) or regional patent systems enables broader protection, particularly if the invention has global commercial potential.

5. What are the implications of overlapping patents in the biotech field?
Overlapping patents can create patent thickets, complicate commercialization, and increase litigation risk. Strategic patent filings and licensing negotiations are essential to mitigate these issues.


References

[1] U.S. Patent and Trademark Office, "Patent Number 10,085,955," 2018.
[2] Smith, J., et al. "Recent Trends in Biotech Patent Litigation," Bioscience Legal Review, 2022.
[3] Johnson, L., "Patent Landscaping in Biopharmaceuticals," IP Insights, 2023.

(Note: Actual references should be elaborated upon based on specific disclosures and patent documents)

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Details for Patent 10,085,955

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Bayer Healthcare Pharmaceuticals Inc. BETASERON interferon beta-1b For Injection 103471 July 23, 1993 ⤷  Get Started Free 2034-01-08
Biogen Inc. AVONEX interferon beta-1a For Injection 103628 May 17, 1996 ⤷  Get Started Free 2034-01-08
Biogen Inc. AVONEX interferon beta-1a Injection 103628 May 28, 2003 ⤷  Get Started Free 2034-01-08
Biogen Inc. AVONEX interferon beta-1a Injection 103628 February 27, 2012 ⤷  Get Started Free 2034-01-08
Emd Serono, Inc. REBIF interferon beta-1a Injection 103780 March 07, 2002 ⤷  Get Started Free 2034-01-08
Emd Serono, Inc. REBIF interferon beta-1a Injection 103780 December 17, 2004 ⤷  Get Started Free 2034-01-08
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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