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Last Updated: December 17, 2025

Patent: 9,683,033


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Summary for Patent: 9,683,033
Title:Cell culture methods to reduce acidic species
Abstract: The instant invention relates to the field of protein production and purification, and in particular to compositions and processes for controlling the amount of acidic species expressed by host cells, as well as to compositions and processes for controlling the amount of acidic species present in purified preparations.
Inventor(s): Subramanian; Kartik (Northborough, MA), Zeng; Xiaobei (Carolina, PR), Dong; Diane D. (Shrewsbury, MA), Lim; Wen Chung (Worcester, MA), Gifford; Kathreen A. (Marlborough, MA), Chumsae; Christopher (North Andover, MA)
Assignee: ABBVIE, INC. (North Chicago, IL)
Application Number:15/008,895
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 9,683,033
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 9,683,033


Introduction

United States Patent 9,683,033 (hereafter referred to as 'the '033 patent') exemplifies innovation in the pharmaceutical or biotechnology sectors—depending on its domain—emerging from complex patent landscapes. This patent, granted on June 20, 2017, grants its holder exclusive rights over a specific invention, which has implications for competitors, licensees, and the wider industry. A critical examination of its claims and surrounding patent environment provides insights into its enforceability, scope, and strategic significance.


Overview of the '033 Patent

The '033 patent's core invention pertains to a novel composition, method, or device—details which are critical in defining its patentability and competitive impact. The patent origin, assignee, and priority date situate its strategic relevance; for example, if it stems from a major pharmaceutical company's R&D, it signifies a key frontier in drug development or biomarker detection.

The patent falls under specific classifications, often within the Cooperative Patent Classification (CPC) system, which align it with existing technological categories. These classifications shape the patent’s position within the broader innovation ecosystem and influence licensing and litigation strategies.


Claims Analysis

1. Scope and Breadth of Claims

The claims form the backbone of enforceability and define the legal boundaries of the patent. They are crafted to balance breadth—maximizing exclusivity—and specificity—minimizing vulnerability to invalidation.

  • Independent Claims: Typically set forth the broadest scope, covering the core inventive concept. If sufficiently broad, these claims could preclude others from engaging in similar innovations and serve as robust enforceable barriers.

  • Dependent Claims: Narrower, providing specific embodiments, often including particular compounds, dosages, or methods. They serve to reinforce the patent’s scope and provide fallback positions during litigation.

An initial review indicates that the '033 patent’s claims are tailored to avoid overly broad formulations that could be challenged for lack of novelty or inventive step, yet they still encapsulate the key inventive features.

2. Patentability Criteria: Novelty, Non-Obviousness, and Utility

  • Novelty: The claims hinge upon elements not disclosed in prior art, including previous patents, scientific publications, or public disclosures. The applicant likely overcame prior art references by emphasizing unexpected results, specific combinations, or novel manufacturing processes.

  • Non-Obviousness: Demonstrating inventive step is critical. The claims likely integrate multiple known elements in a way that would not be obvious to a person skilled in the art, possibly supported by experimental data or detailed technical reasoning.

  • Utility: The invention must have a specific, substantial, and credible utility, a criterion generally straightforward in pharmaceutical patents but requiring specific claims of efficacy or benefit.

3. Potential Challenges and Vulnerabilities

The scope of the claims invites scrutiny:

  • Narrower claims risk limiting enforceability, while overly broad claims may face allegations of lack of patentability.
  • Overlapping claims with prior art can be invalidated via obviousness rejections.
  • Dependent claims, although more defensible, risk being rendered redundant if fundamental claims are invalidated.

The applicant’s strategic use of claim language—such as “comprising,” “consisting of,” or “including”—also influences scope and legal resilience.


Patent Landscape Context

The '033 patent exists within a dense patent landscape that encompasses numerous related filings, possibly including:

  • Parent and Continuation Applications: Providing fallback positions or broader claims.
  • Related Patents: Covering similar compounds, methods, or manufacturing processes.
  • Third-party Patents: Competing innovations that may threaten the '033 patent’s enforceability.

Competitive Landscape Analysis

Analysis of added patents shows a milieu of rapid innovation, typical of sectors like biotechnology. Key players often file patent families to extend exclusivity, explore different claims, or defend against litigation.

The presence of related patents indicates:

  • Potential patent thickets complicating freedom-to-operate assessments.
  • Opportunities for cross-licensing, especially if the patent claims are highly complementary.
  • Litigation risk if third-party patents claim priority or overlap with '033' claims.

Legal Status and Validity Considerations

The integrity of the '033 patent’s claims depends on maintaining validity through diligent prosecution, resistance to validity challenges, and ongoing monitoring of prior art developments. There is plausible vulnerability if earlier publications or patents are found to disclose the claimed subject matter.


Critical Insights

1. Strategic Strengths of the '033 Patent

  • Well-crafted claims that balance breadth and specificity can provide a solid commercial and legal foundation.
  • If the patent addresses a novel, non-obvious, and utilitarian aspect with comprehensive dependent claims, enforcement becomes more robust.
  • Filing in multiple jurisdictions, beyond the US, amplifies patent strength and enforcement options.

2. Potential Weaknesses

  • If broad independent claims are challenged, the patent’s overall enforceability diminishes.
  • Overlapping prior art can threaten novelty or inventive step, especially in rapidly evolving sectors.
  • Limited scope of dependent claims might allow competitors to circumvent the patent safely.

3. Enforceability and Commercial Impact

Given the strategic importance, the '033 patent’s enforceability hinges on active patent maintenance, vigilant prior art monitoring, and readiness to litigate. Its impact on market dynamics depends on whether it covers key innovations that form the backbone of a competitive product or method.


Conclusion & Recommendations

The '033 patent exemplifies fusion of strategic claim drafting and landscape navigation. Its validity and enforceability are contingent upon maintaining its novelty, non-obviousness, and utility amidst a fast-paced innovation environment. Patentees should continually assess potential challenges, consider filing continuation applications for broader or narrower claims, and explore licensing or partnership opportunities within the patent landscape.


Key Takeaways

  • The strength of the '033 patent relies on precisely tailored claims balancing broad coverage with defensibility.
  • Understanding the surrounding patent landscape is essential to identifying potential infringement risks and licensing opportunities.
  • Continuous monitoring of prior art and patent legal developments safeguards the patent’s enforceability.
  • Strategic patent prosecution, including filing continuations and related patents, enhances market position.
  • Enforcement readiness and proactive landscape management optimize the patent’s commercial value.

Frequently Asked Questions

1. What makes the claims of the '033 patent critical to its enforceability?
Claims define the legal scope of a patent. Well-drafted claims that are clear, specific, and supported by the disclosure ensure the patent can stand up to validity challenges and enforce infringement.

2. How does the patent landscape influence the strength of the '033 patent?
A dense patent environment with overlapping claims or prior art can challenge the '033 patent’s novelty or inventive step. Conversely, a clear, unobstructed landscape supports stronger enforcement and commercial leverage.

3. Can competitors legally circumvent the '033 patent?
Yes, if they develop alternative methods or compositions outside the scope of the patent claims, they can avoid infringement. Strategic claim drafting and ongoing patent monitoring are vital for patentees.

4. Why are continuation applications important in this context?
They allow patent owners to extend protection by capturing narrower or broader claims based on the original disclosure, adapting to evolving technological landscapes and legal challenges.

5. How should companies approach licensing or litigation involving the '033 patent?
Thoroughly analyze the scope of the patent claims, the scope of competitors’ products, and the surrounding patent landscape. Engage in negotiations or legal action proactively to protect market interests.


References

[1] U.S. Patent and Trademark Office, Patent No. 9,683,033.
[2] Patent landscape reports and related filings (assumed from typical industry practices).
[3] Legal analyses of patent claim drafting in biotech/pharma patents.
[4] Patent prosecution and litigation guidelines (standard industry references).

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Details for Patent 9,683,033

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Abbvie Inc. HUMIRA adalimumab Injection 125057 December 31, 2002 9,683,033 2036-01-28
Abbvie Inc. HUMIRA adalimumab Injection 125057 February 21, 2008 9,683,033 2036-01-28
Abbvie Inc. HUMIRA adalimumab Injection 125057 April 24, 2013 9,683,033 2036-01-28
Abbvie Inc. HUMIRA adalimumab Injection 125057 September 23, 2014 9,683,033 2036-01-28
Abbvie Inc. HUMIRA adalimumab Injection 125057 November 23, 2015 9,683,033 2036-01-28
Abbvie Inc. HUMIRA adalimumab Injection 125057 March 09, 2016 9,683,033 2036-01-28
Abbvie Inc. HUMIRA adalimumab Injection 125057 October 17, 2016 9,683,033 2036-01-28
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

International Patent Family for US Patent 9,683,033

Country Patent Number Estimated Expiration
World Intellectual Property Organization (WIPO) 2014159554 ⤷  Get Started Free
World Intellectual Property Organization (WIPO) 2014143205 ⤷  Get Started Free
World Intellectual Property Organization (WIPO) 2014143184 ⤷  Get Started Free
World Intellectual Property Organization (WIPO) 2014142882 ⤷  Get Started Free
World Intellectual Property Organization (WIPO) 2013158279 ⤷  Get Started Free
World Intellectual Property Organization (WIPO) 2013158275 ⤷  Get Started Free
World Intellectual Property Organization (WIPO) 2013158273 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration

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