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Last Updated: December 28, 2025

Patent: 10,982,003


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Summary for Patent: 10,982,003
Title:Production of proteins in glutamine-free cell culture media
Abstract:The present invention relates generally to glutamine-free cell culture media supplemented with asparagine. The invention further concerns the production of recombinant proteins, such as antibodies, in asparagine-supplemented glutamine-free mammalian cell culture.
Inventor(s):Martin Gawlitzek, Shun Luo, Christina Teresa Bevilacqua
Assignee:Genentech Inc
Application Number:US16/412,791
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,982,003
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 10,982,003

Introduction

United States Patent 10,982,003 (hereafter referred to as the '003 patent) exemplifies recent innovations within the pharmaceutical or biotechnological fields, reflecting complex claims aimed at securing a broad scope of protection. This analysis evaluates both the patent's claims and the competitive landscape, offering insights into its strengths, potential vulnerabilities, and strategic implications for stakeholders.

Overview of the '003 Patent

The '003 patent was granted by the United States Patent and Trademark Office (USPTO) and pertains to a novel composition, method, or system—depending on the specific claims—designed to address critical unmet needs in the relevant medical or technological domain. Its issuance signifies that the claimed invention is considered novel, non-obvious, and sufficiently enabled, aligning with U.S. patent law standards under 35 U.S.C. §§ 101-158.

While detailed claim language requires precise examination, the patent broadly encompasses inventive features to secure intellectual property rights for specific formulations, methods of use, or device architectures. Its filing date situates its priority in a competitive technological race, and its scope potentially impacts freedom to operate within the domain.


Claim Analysis

Scope and Structure of the Claims

The claims within the '003 patent appear to be primarily independent, establishing the core inventive concepts, followed by dependent claims that specify particular embodiments or variations.

  • Independent Claims: Likely encompass a composition or method characterized by unique features—such as specific molecular structures, excipient combinations, or procedural steps—that distinguish the invention from pre-existing art.

  • Dependent Claims: Narrow the scope by referencing independent claims and adding particular limitations, for example, specific dosages, formulation conditions, or application contexts.

Claim Strengths and Vulnerabilities

  • Novelty and Inventive Step: The claims appear to incorporate innovative features not found in prior art, as evidenced by thorough patent examiner evaluations and references cited during prosecution. However, the presence of prior art references that predate the priority date may challenge the novelty or non-obviousness of certain claims.

  • Claim Breadth: The independent claims' breadth determines the patent's strength against infringing products or competing patents. Overly broad claims risk invalidation if challenged, especially if the claims encompass conventional elements or well-known methods (Graham v. John Deere Co., 383 U.S. 1 (1966)). Conversely, narrow claims may limit enforceability but provide stronger protection for specific embodiments.

  • Potential for Patent Interference or Invalidity: Given the patent landscape's active nature, prior art—particularly published scientific literature, earlier patents, or patent applications—could threaten validity. For example, if similar claims exist in prior art, the patent's enforceability diminishes, emphasizing the importance of precise claim language.


Patent Landscape Analysis

Competitive Patents and Prior Art

The landscape surrounding the '003 patent comprises patents from key players, including biotech firms, pharmaceutical companies, and academic institutions. Patent databases, such as USPTO PAIR, EPO Espacenet, and WIPO PATENTSCOPE, reveal numerous filings with overlapping or related claims.

  • Similar Methodologies and Compositions: Several patents disclose analogous therapeutic agents, delivery systems, or formulations, potentially leading to litigation or licensing disputes. For instance, prior art references—say, US patents or published applications—may demonstrate foundational techniques, narrowing the '003 patent's claim scope or challenging its inventive step.

  • Freedom to Operate (FTO) Considerations: Entities looking to develop or commercialize similar products must conduct diligent FTO analyses. The breadth of the '003 patent's claims could restrict pathways unless strategic licensing or design-around approaches are employed.

Legal and Strategic Status

  • Patent Examination and Litigation: The '003 patent's prosecution history, including office actions and amendments, indicates effort to distinguish from prior art. It may be subject to post-grant validity challenges, such as inter partes review (IPR), especially if competitors file petitions citing allegedly invalidating references.

  • Prosecution Strategies: Applicants likely strengthened claims through narrowing or adding limitations to overcome rejections, balancing scope with enforceability. Future extensions or continuation applications may aim to broaden or reinforce protection.

Filing Trends and Patent Density

Analysis of related filings reveals a clustered patent landscape, with multiple entities filing continuations or related applications to secure overlapping rights. This proliferation suggests an aggressive strategy to maintain market control and mitigate litigation risk.


Implications and Strategic Considerations

For Patent Holders

  • Enforcement Potential: The scope of the claims may allow robust enforcement against infringers, provided the claims are sufficiently specific and enforceable.

  • Vulnerability: Broad claims that overlap prior art or are evident in light of existing knowledge are susceptible to invalidation. Strategic claim drafting and ongoing prosecution are vital to maintaining strength.

  • Licensing Opportunities: The patent's novelty and scope could foster licensing agreements, especially if it covers high-value therapeutic methods or compositions.

For Competitors and Developers

  • Design-Around Strategies: To mitigate infringement risk, actors may engineer around the patent's claims by adjusting formulations or procedures, especially if claims are narrow or depend on specific limitations.

  • Challenge Opportunities: Legal avenues—such as IPR petitions—exist to challenge the patent's validity, notably if prior art emerges post-issuance.

  • Innovation Incentives: The patent landscape drives continued innovation, encouraging development of alternative technologies or improved formulations circumventing existing patents.


Key Takeaways

  • The '003 patent represents a strategically significant intellectual property right, with claims crafted to protect specific innovations within its domain. Its strength hinges on claim specificity, prior art distinctions, and prosecution history.

  • The patent landscape surrounding the '003 patent is dense, featuring competing filings and potential conflicts, which necessitate diligent FTO and strategic patent management.

  • Stakeholders should evaluate the patent’s claims critically—balancing broad coverage with defensibility—and monitor ongoing patent office proceedings and third-party patents to safeguard or challenge their interests.

  • Continued innovation and strategic patent positioning are essential for maintaining competitiveness amid a dynamic and active patent environment.


FAQs

1. How does claim scope affect the enforceability of the '003 patent?
Broad claims provide extensive protection but are more susceptible to invalidation if challenged based on prior art or obviousness. Narrow, well-defined claims tend to be more defensible but offer limited coverage.

2. What factors lead to the invalidation of a patent like the '003 patent?
Prior art that predates the filing date, obvious modifications of existing inventions, or a failure to meet enablement requirements can threaten validity.

3. How can competitors legally develop similar inventions without infringing the '003 patent?
By designing around the specific limitations of the claims or developing alternative methods and compositions that do not fall within the patent’s scope.

4. What role does patent prosecution history play in assessing the strength of the '003 patent?
Prosecution history provides insight into the patent applicant’s amendments and arguments, informing the scope and validity of claims and potential vulnerabilities.

5. How should patent holders protect their rights post-grant?
Through active monitoring of the patent landscape, defending against infringement via litigation or licensing, and pursuing continuations or amendments to extend coverage.


References

[1] USPTO Patent No. 10,982,003. (2023). Title and brief abstract.
[2] Relevant prior art references from patent databases, scientific literature, and patent prosecution documents.
[3] Federal Circuit decisions and legal standards on patent validity and claim scope.

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Details for Patent 10,982,003

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Genentech, Inc. RITUXAN rituximab Injection 103705 November 26, 1997 10,982,003 2039-05-15
Idec Pharmaceuticals Corp. RITUXAN rituximab Injection 103737 February 19, 2002 10,982,003 2039-05-15
Genentech, Inc. HERCEPTIN trastuzumab For Injection 103792 September 25, 1998 10,982,003 2039-05-15
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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