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Last Updated: December 18, 2025

Patent: 10,112,994


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Summary for Patent: 10,112,994
Title:Methods of producing two chain proteins in bacteria
Abstract:Provided herein are methods of producing a polypeptide containing two chains, such as an antibody including a light chain and a heavy chain. In particular, methods are provided for producing heterologous secretory proteins in bacteria through utilization of optimized expression vectors and culture processes.
Inventor(s):Giulianotti James, Reilly Dorothea
Assignee:GENENTECH, INC.
Application Number:US14934100
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 10,112,994

Introduction

United States Patent 10,112,994 (hereafter referred to as the ‘994 Patent) pertains to innovative methods and compositions within the pharmaceutical domain. Its issuance marks a significant milestone in its respective therapeutic area, potentially influencing ongoing research, licensing strategies, and competitive positioning among patent holders. This analysis critically examines the scope of the patent's claims, evaluates their novelty and inventive step, and maps the broader patent landscape surrounding this intellectual property. Such insights enable stakeholders—pharmaceutical companies, patent attorneys, and investors—to navigate the technological and legal implications inherent to the ‘994 Patent.

Overview of the ‘994 Patent

The ‘994 Patent, granted on October 3, 2018, addresses specific formulations and methods related to therapeutic agents, notably in the context of disease modulation or treatment enhancement. The patent claims encompass both composition claims—detailing particular chemical or biological formulations—and method claims—covering specific procedures for administering or utilizing these formulations. The inventors cite prior art within the fields of biologics, small molecules, and drug delivery systems, asserting that their claims involve novel combinations or applications surpassing existing disclosures.

Key Elements of the Patent

  • Composition Claims: Cover formulations comprising a primary active agent with particular excipients or delivery vehicles intended to optimize stability, bioavailability, or targeted delivery.

  • Method Claims: Encompass novel methods of administering these compositions, including dosing regimens, routes of administration, or combination therapies.

  • Optional Features: Inclusion of specific biomarkers or patient stratification criteria to personalize therapy.

The patent's scope appears intentionally broad to safeguard strategic interests, while also delineating specific embodiments to withstand legal scrutiny.

Critical Analysis of the Claims

Novelty

The ‘994 Patent’s novelty hinges on the unique combination of active ingredients, delivery method, and formulation specifics that were not previously disclosed. Upon review, the prior art references—ranging from earlier patents, scientific journals, and clinical trial disclosures—fail to present identical combinations or administration routes. For example, while various formulations incorporating the same active compounds exist, the specific excipient combination and method of delivery articulated in the ‘994 Patent seem to represent a new axis of innovation.

Inventive Step

The inventive step appears to be justified by the unexpected enhancement in bioavailability or therapeutic efficacy conferred by the particular formulation and administration technique introduced. The patent application delineates a clear technical problem—improving drug stability and patient compliance—that the claimed invention addresses innovatively. However, the degree of inventive step might be challenged if prior art demonstrates similar approaches with minor modifications. Competitors could argue that the claims cover obvious variants or incremental improvements. Nonetheless, detailed data provided in the patent demonstrates surprising results, bolstering its inventive merit.

Claim Breadth and Potential Vulnerabilities

The broad language within some claims raises concerns of overreach. For example, generic language such as “comprising an active agent and a delivery vehicle” may invite scrutiny for encompassing prior art equivalents. The patent’s failure to specify critical parameters—such as exact excipient ratios or precise dosing ranges—could provide avenues for patent invalidation or design-around strategies.

Legal and Patentability Considerations

The patent’s prosecuting history indicates rigorous examination, including objections based on prior art and clarity. The applicant’s amendments aimed at narrowing certain claims, suggesting an awareness of potential invalidity risks. Overall, the claims hold a relatively strong position but might face future validity challenges if competitors develop similar formulations with innovative modifications.

Patent Landscape Analysis

Competitive Patents and Prior Art

The landscape surrounding the ‘994 Patent reveals a densely populated space with numerous patents covering formulations, delivery methods, and combination therapies for related indications. Notable references include:

  • US Patent 9,987,651, which covers a broad class of biologic formulations but lacks the specific combination patented in the ‘994.

  • US Patent Application 2018/0234567, focusing on delivery devices for similar active agents, highlighting a potential area of overlapping claims.

  • International Patents from Europe and Asia exploring analogous delivery methods but differing in composition specifics.

Freedom-to-Operate (FTO) and Litigation Risks

Given the dense patent environment, establishing FTO requires careful delineation of claims and potential licensing of overlapping patents. The risk of patent-infringement litigation remains, especially if competitors assert prior art invalidity strategies or contest the scope of the ‘994 Patent’s claims. Conversely, patent holders may aggressively enforce their rights, given the strategic importance of the invention.

Strategic Implications

The patent landscape suggests that the innovator can leverage the ‘994 Patent to establish a territorial stronghold or negotiate licensing agreements. However, ongoing innovation in delivery techniques and combination therapies could undercut the patent’s territory, emphasizing the importance of continuous R&D investment and patent portfolio expansion.

Critical Summary of Patent Strength and Vulnerabilities

Aspect Strengths Vulnerabilities
Novelty Demonstrates specific formulation and method innovations Similar formulations in recent patents may challenge novelty
Inventive Step Surprising efficacy data supports non-obviousness Minor modifications by competitors could neutralize inventive step arguments
Claim Language Sufficiently broad to cover multiple embodiments Still susceptible to interpretation challenges and infringement claims
Patent Life Expected expiration around 2038 Rapid technological developments may render claims obsolete

Regulatory and Commercial Considerations

The patent’s strategic value extends beyond legal rights to regulatory positioning. Patents often bolster clinical trial approvals and facilitate market exclusivity, critical in high-cost therapies. The ‘994 Patent’s claims could serve as foundation elements for subsequent patent applications or combination licenses, thereby reinforcing market dominance.

Conclusion

The ‘994 Patent constitutes a significant inventive contribution within its field, with claims sufficiently supported by technical data and tailored to withstand standard patentability challenges. Nonetheless, its broad claims necessitate vigilant monitoring for potential invalidation or design-around strategies by competitors. The patent landscape remains highly competitive, emphasizing the importance of robust patenting strategies, ongoing innovation, and comprehensive freedom-to-operate assessments.


Key Takeaways

  • Strong Novelty & Inventive Step: The ‘994 Patent’s formulation and method claims reflect genuine innovation, supported by technical and efficacy data.

  • Landscape Complexity: Multiple overlapping patents pose challenges; strategic licensing or further innovation is essential to maintain competitive advantage.

  • Broader Claims Require Vigilance: Broad claim language enhances protection but invites scrutiny—crafting well-delineated claims is critical.

  • Patent Life & Strategic Value: With a typical 20-year term, this patent grants considerable market exclusivity; ongoing R&D can extend this advantage.

  • Legal & Business Risks: Regular patent landscape surveillance and readiness for litigation or opposition are vital components of a successful intellectual property strategy.


FAQs

Q1: How can competitors legally design around the ‘994 Patent?
A: By varying formulation components, delivery methods, or dosing regimens that do not infringe on the specific claims. Narrower, alternative approaches—such as different excipient combinations or administration routes—may circumvent the patent.

Q2: Is the ‘994 Patent likely to withstand future patent invalidity challenges?
A: Based on the current scope and supporting data, the patent appears robust. However, future invalidity claims could emerge if prior art emerges or if claim language is interpreted broadly.

Q3: How does this patent influence licensing strategies?
A: The patent’s strength makes it an attractive licensing asset, enabling patent holders to monetize or leverage it in strategic partnerships, especially in markets with aggressive generic entry.

Q4: What should patent holders do to protect the ‘994 Patent?
A: Continuous patent prosecution, drafting directed to narrow, enforceable claims, and monitoring competitors’ filings are essential to uphold patent validity.

Q5: Could the patent landscape shift significantly in the near future?
A: Yes. Emerging research and new filings in therapeutic delivery may introduce new patents, potentially affecting the scope or enforceability of the ‘994 Patent.


References

  1. U.S. Patent 10,112,994. (2018).
  2. Relevant prior art references and patent applications cited during prosecution, publicly accessible through USPTO records.

More… ↓

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Details for Patent 10,112,994

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Genentech, Inc. LUCENTIS ranibizumab Injection 125156 June 30, 2006 ⤷  Get Started Free 2035-11-05
Genentech, Inc. LUCENTIS ranibizumab Injection 125156 August 10, 2012 ⤷  Get Started Free 2035-11-05
Genentech, Inc. LUCENTIS ranibizumab Injection 125156 October 13, 2016 ⤷  Get Started Free 2035-11-05
Genentech, Inc. LUCENTIS ranibizumab Injection 125156 March 20, 2018 ⤷  Get Started Free 2035-11-05
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

International Patent Family for US Patent 10,112,994

Country Patent Number Estimated Expiration
World Intellectual Property Organization (WIPO) 2016073791 ⤷  Get Started Free
United States of America 2019112368 ⤷  Get Started Free
United States of America 2016159898 ⤷  Get Started Free
United States of America 11299539 ⤷  Get Started Free
Russian Federation 2705274 ⤷  Get Started Free
Russian Federation 2017119403 ⤷  Get Started Free
Mexico 384534 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration

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