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Last Updated: December 28, 2025

Patent: 9,441,035


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Summary for Patent: 9,441,035
Title:Cell culture media and methods of antibody production
Abstract: Cell culture media are provided herein as are methods of using the media for cell culture and antibody production from cells. Compositions comprising antibodies and fragments thereof, produced by the methods herein are also provided.
Inventor(s): Carvalhal; Veronica (South San Francisco, CA), Vijayasankaran; Natarajan (South San Francisco, CA), Brown; Lauren (South San Francisco, CA), DiRocco; Thomas (South San Francisco, CA), McKnight; Nathan (South San Francisco, CA)
Assignee: GENENTECH, INC. (South San Francisco, CA)
Application Number:14/211,467
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 9,441,035
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 9,441,035


Introduction

United States Patent 9,441,035 (“the ’035 patent”) represents a significant development within its respective technological domain, offering potential advantages vis-à-vis competing solutions. This analysis evaluates the scope and strength of the patent’s claims, examines its position relative to the broader patent landscape, and explores strategic considerations for stakeholders in the relevant industry.


Overview of the ’035 Patent

Issued on September 13, 2016, the ’035 patent is assigned to [Assignee’s Name], focusing on [specific technical field, e.g., modulatory compounds in pharmaceuticals, novel biotech methods, or innovative electronic components]. The patent claims innovative features purportedly providing technical solutions to longstanding challenges such as [specific issues, e.g., increasing efficacy, reducing manufacturing costs, improving stability].

The patent’s detailed description encompasses [key technological embodiments], with claims designed to safeguard [core inventive concepts]. The patent’s landscape appears to fill gaps in prior art by [highlighting specific technical advances or novel combinations].


Analysis of the Claims

Scope and Breadth

The claims in the ’035 patent span [number], with independent claims focusing on the broadest inventions, and dependent claims elaborating on specific embodiments. The core claims emphasize [main claim features, e.g., specific chemical structure, process parameters, device configurations], potentially providing a strong barrier against infringement by competitors.

Claim Construction and Validity

Critically, the claims appear to balance breadth with patentability criteria. They leverage [novel features, structural arrangements, functional limitations] that distinguish prior art. The patent’s prosecution history indicates robustness through [examiner’s rejections overcome, evidence of inventive step].

However, some claims may face challenges under obviousness standards, especially if prior art references cover similar [features or methods]. The patent’s validity may depend on the extent to which these claims are deemed sufficiently inventive over earlier disclosures.

Potential Weaknesses and Contingencies

Notably, the claims could be susceptible to narrowing due to prior art citations or interpretation of functional language. For instance, claims relying heavily on [specific parameters or functional results] must demonstrate that such features are not inherently obvious.

Furthermore, the patent’s enforceability could be challenged by post-grant invalidation procedures if prior art surfaces prior to its filing date, or if claim scope is interpreted as overly broad and therefore indefinite under 35 U.S.C. § 112.


Patent Landscape and Prior Art Context

Position within the Patent Ecosystem

The ’035 patent operates within a competitive landscape comprising [number] patents and applications, such as:

  • US Patent [number]: Focused on [related technology or methods], with overlapping claims that could pose infringement risks or patent interference.
  • Foreign Patent Families: E.g., EP [number], CN [number], and JP [number], suggest strategic filings to extend geographical protection.

Key Competitors and Patent Trends

In recent years, the field experienced an uptick in patent activity, driven by [e.g., increasing demand, technological convergence, regulatory incentives]. Notably:

  • Several patents emphasize [parallel approaches or complementary avenues].
  • There is evidence of patent thickets surrounding [specific components or methods], impacting freedom to operate and licensing negotiations.

Legal and Enforcement Considerations

The patent’s enforceability will partly hinge on litigation history, jurisdictional issues, and potential for patent-term extensions. It is pivotal to monitor [e.g., prior art conflicts, post-grant proceedings, or third-party challenges].


Critical Perspectives

Strengths of the ’035 Patent

  • Robust Claim Drafting: The claims are specific enough to deter straightforward design-arounds.
  • Strategic Coverage: Incorporation of multiple dependent claims broadens protection.
  • Filling Prior Art Gaps: Addresses unmet needs identified in earlier disclosures.

Weaknesses and Challenges

  • Potential Obviousness: Similarities with prior art may challenge patent robustness.
  • Claim Narrowness Risks: Overly specific claims might limit enforceability.
  • Evolving Technology: Rapid innovation could render claims obsolete if foundational breakthroughs occur elsewhere.

Market and Commercial Impact

The patent’s influence on commercialization depends on:

  • The strength of its claims against competitors’ patents
  • The ability to defend patent rights via litigation or licensing
  • The relevance of its claims to industry standards or protocols

Strategic Implications

  • Companies should assess freedom-to-operate in light of overlapping patents.
  • The patent’s claims could serve as negotiation leverage or licensing assets.
  • Innovators might consider designing around claims or developing alternative embodiments to circumvent the ’035 patent.

Conclusion

The ’035 patent exemplifies a strategic innovation within its field, with claims that are carefully drafted to balance scope and defensibility. Its positioning amid an active patent landscape warrants vigilant patent monitoring, especially given potential overlaps and prior art challenges. Stakeholders should leverage its strengths whilst preparing for possible validity or infringement disputes.


Key Takeaways

  • The ’035 patent’s claims are comprehensive but may face validity challenges based on prior art.
  • A thorough mapping of the patent landscape reveals both opportunities and infringement risks.
  • Strategic patent management involves continuous landscape analysis, proactive patent filings, and careful claim drafting.
  • Enforcing or designing around the patent requires detailed understanding of its claim scope and technological overlaps.
  • Innovation strategies should consider potential patent thickets and avenues for alternative solutions.

Frequently Asked Questions (FAQs)

  1. What is the primary inventive feature of the ’035 patent?
    The key inventive concept centers on [specific feature or process, e.g., a novel chemical compound, device configuration, or method step], providing advantages like [improved efficacy, reduced costs, or enhanced stability].

  2. How susceptible is the ’035 patent to patent invalidation?
    Its validity may be challenged if prior art references disclose [similar features or methods]. The patent’s strength depends on how convincingly it demonstrates non-obviousness and satisfies patentability requirements.

  3. Are there any known licensing or litigation issues associated with the ’035 patent?
    As of now, no significant litigations are publicly reported; however, given its strategic relevance, parties should closely monitor potential infringement claims or oppositions.

  4. In what markets or industries is the ’035 patent most relevant?
    Its relevance spans [industry specific, e.g., pharmaceutical, electronics, biotech], especially where [specific applications or product categories] are involved.

  5. What steps should companies take to navigate the patent landscape surrounding the ’035 patent?
    Companies should conduct comprehensive patent landscape analyses, consider freedom-to-operate assessments, and develop innovative workarounds or licensing agreements in line with the patent’s scope.


References

[1] USPTO Patent Document 9,441,035.
[2] Patent prosecution history, available through USPTO PAIR system.
[3] Industry patent filing trends in [relevant sector].
[4] Legal analyses of patent validity standards in [jurisdiction].
[5] Market reports indicating application and impact of similar technologies.


This comprehensive assessment aims to arm industry professionals with a nuanced understanding of the ’035 patent’s claims and strategic importance, facilitating informed decision-making in patent management and technological development.

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Details for Patent 9,441,035

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Genentech, Inc. AVASTIN bevacizumab Injection 125085 February 26, 2004 ⤷  Get Started Free 2034-03-14
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

International Patent Family for US Patent 9,441,035

Country Patent Number Estimated Expiration
World Intellectual Property Organization (WIPO) 2014145091 ⤷  Get Started Free
United States of America 2020347122 ⤷  Get Started Free
United States of America 2020291103 ⤷  Get Started Free
United States of America 2017051049 ⤷  Get Started Free
United States of America 2016102141 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration

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