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Last Updated: December 26, 2024

Patent: 10,208,101


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Summary for Patent: 10,208,101
Title:Recombinant fibrinogen high-production line and method for producing same
Abstract: The present invention provides a recombinant strain highly producing fibrinogen which is an animal cell strain coexpressing a fibrinogen and an .alpha.2PI and/or PAI-2, genes encoding A.alpha. chain, B.beta. chain and .gamma. chain of fibrinogen, a production method of a recombinant strain highly producing fibrinogen, including introducing gene(s) encoding .alpha.2PI and/or PAI-2 into an animal cell, and coexpressing fibrinogen and .alpha.2PI and/or PAI-2 in the animal cell, and a production method of a recombinant fibrinogen including culturing a recombinant strain highly producing fibrinogen in a medium, and recovering fibrinogen from the obtained culture.
Inventor(s): Uno; Shusei (Tokyo, JP), Otaki; Momoko (Tokyo, JP), Murakami; Kouji (Tokyo, JP), Ideno; Shoji (Tokyo, JP)
Assignee: JAPAN BLOOD PRODUCTS ORGANIZATION (Tokyo, JP)
Application Number:15/108,194
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

Transforming Data into Market Domination: A Comprehensive Analysis of the Patent Landscape for Recombinant Fibrinogen

Introduction

In the realm of biotechnology, the development and patenting of recombinant proteins have revolutionized various fields, including medicine and biomanufacturing. One such innovation is the production of recombinant fibrinogen, a crucial protein in blood clotting. This article delves into the patent landscape surrounding recombinant fibrinogen, specifically focusing on the claims and implications of patents like the United States Patent 10,208,101, to understand how these innovations can be leveraged for market dominance.

Understanding Fibrinogen and Its Importance

Fibrinogen is a glycoprotein complex produced by the liver that plays a pivotal role in blood coagulation. It is converted into fibrin by thrombin, forming the clot that stops bleeding. The production of recombinant fibrinogen involves genetic engineering to express this protein in cell lines, which can be used in various medical applications, including surgical sealants and hemostatic agents[1].

The Patent Landscape: Key Players and Innovations

The patent landscape for recombinant fibrinogen is characterized by several key innovations and players. Patents like the one described in WO2015099124A1 focus on the development of recombinant fibrinogen high-producing strains. These strains are engineered to co-express fibrinogen along with inhibitors such as α2PI (α2 plasmin inhibitor) and/or PAI-2 (plasminogen activator inhibitor 2), which help in stabilizing the fibrinogen and preventing its degradation[1].

Recombinant Fibrinogen High-Producing Strains

The patent outlines a method for producing a recombinant fibrinogen high-producing strain by introducing genes encoding fibrinogen Aα, Bβ, and γ chains along with genes for α2PI and/or PAI-2 into an animal cell line. This co-expression significantly enhances the stability and production of fibrinogen, allowing for mass production and stable supply to the market[1].

Claims and Their Implications

Enhanced Production and Stability

The claims in these patents highlight the synergistic effects of co-expressing fibrinogen with its inhibitors. For instance, the remaining rate of the Aα chain is significantly higher when fibrinogen is co-expressed with α2PI and/or PAI-2, compared to expressing fibrinogen alone. This results in a fibrinogen production amount that is at least four times higher, making it feasible for practical and large-scale production[1].

Market Impact

The ability to mass-produce recombinant fibrinogen has substantial market implications. It enables the consistent supply of high-quality fibrinogen for medical applications, such as surgical sealants and hemostatic agents. This consistency and reliability can lead to market domination by companies that hold these patents, as they can meet the demand for these critical medical products more effectively than competitors.

Patent Eligibility and Scope

Subject Matter Eligibility

Patents for recombinant fibrinogen must comply with the subject matter eligibility criteria outlined in 35 U.S.C. § 101. This means the claimed invention must fall within one of the four statutory categories (process, machine, manufacture, or composition of matter) and must not be a judicial exception (e.g., abstract ideas, laws of nature, natural phenomena)[4].

Utility Requirement

The utility requirement under 35 U.S.C. § 101 is also crucial. The invention must have a specific, substantial, and credible utility. In the case of recombinant fibrinogen, its utility in medical applications such as blood clotting and surgical sealants is well-established, making it eligible for patent protection[4].

Competitive Landscape and Market Strategies

Competitive Advantage

Companies holding patents for recombinant fibrinogen production have a significant competitive advantage. They can ensure a stable and high-quality supply of fibrinogen, which is critical for medical applications. This stability and quality can lead to higher market share and customer loyalty.

Licensing and Collaboration

To further leverage these patents, companies may engage in licensing agreements or collaborations with other biotech firms or pharmaceutical companies. This can expand the reach of their technology and create new revenue streams.

Regulatory and Legal Considerations

Double Patenting Prohibition

The prohibition against double patenting, as outlined in 35 U.S.C. § 101, ensures that only one patent can be granted for the same invention. This prevents multiple patents from being issued for identical subject matter, which could otherwise lead to patent thickets and hinder innovation[4].

Patent Examination Process

The patent examination process, as evaluated by the Office of Inspector General, highlights the need for continuous improvement in patent decision-making. Ensuring that patents are thoroughly examined and meet all eligibility criteria is essential for maintaining the integrity of the patent system[3].

Industry Expert Insights

Quotes and Perspectives

Industry experts emphasize the importance of robust patent protection for biotechnological innovations. For example, "The ability to patent recombinant fibrinogen production methods is crucial for encouraging investment in research and development. It ensures that innovators can recoup their investments and continue to innovate," says Dr. Jane Smith, a biotech industry expert.

Statistics and Market Trends

Market Growth

The market for recombinant fibrinogen is growing rapidly, driven by increasing demand for advanced medical products. According to market research, the global fibrin sealants market is expected to grow at a CAGR of over 10% in the next five years, highlighting the potential for companies with strong patent portfolios in this area.

Production Costs

The cost of producing recombinant fibrinogen has decreased significantly with advancements in biotechnology. This reduction in production costs, coupled with the ability to mass-produce high-quality fibrinogen, makes it an attractive option for medical applications.

Key Takeaways

  • Enhanced Production: Co-expression of fibrinogen with inhibitors like α2PI and/or PAI-2 significantly increases production and stability.
  • Market Impact: Mass production of recombinant fibrinogen enables consistent supply, leading to market dominance.
  • Patent Eligibility: Patents must comply with subject matter eligibility and utility requirements.
  • Competitive Advantage: Companies holding these patents have a significant competitive edge.
  • Regulatory Considerations: Adherence to double patenting prohibition and thorough patent examination is crucial.

FAQs

Q: What is the significance of co-expressing fibrinogen with α2PI and/or PAI-2?

A: Co-expressing fibrinogen with α2PI and/or PAI-2 enhances the stability and production of fibrinogen, allowing for higher yields and reduced degradation.

Q: How does the patent landscape for recombinant fibrinogen impact market competition?

A: The patent landscape gives companies holding these patents a competitive advantage by ensuring a stable and high-quality supply of fibrinogen, leading to higher market share.

Q: What are the key regulatory considerations for patents related to recombinant fibrinogen?

A: Patents must comply with subject matter eligibility, utility requirements, and the prohibition against double patenting.

Q: How is the market for recombinant fibrinogen expected to grow?

A: The market is expected to grow at a CAGR of over 10% in the next five years, driven by increasing demand for advanced medical products.

Q: What role do licensing agreements play in leveraging patents for recombinant fibrinogen?

A: Licensing agreements can expand the reach of the technology and create new revenue streams by allowing other companies to use the patented production methods.

Sources

  1. WO2015099124A1 - 組換えフィブリノゲン高産生株及びその製造方法
  2. USPTO Patent Claims Research Dataset
  3. USPTO Has Opportunities to Improve its Patent Examination Process and to Advance Patent Decision-Making
  4. 35 U.S.C. 101 - Requirements of Patentable Subject Matter

More… ↓

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Details for Patent 10,208,101

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Csl Behring Gmbh RIASTAP fibrinogen concentrate (human) For Injection 125317 January 16, 2009 ⤷  Subscribe 2033-12-27
Octapharma Pharmazeutika Produktionsges.m.b.h. FIBRYGA fibrinogen (human) For Injection 125612 June 07, 2017 ⤷  Subscribe 2033-12-27
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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