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Last Updated: December 31, 2025

Patent: 8,808,689


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Summary for Patent: 8,808,689
Title:Insulin independence among patients with diabetes utilizing a PPI in combination with an immune tolerance agent
Abstract: To date, no immune tolerance agent or combination of immune tolerance agents has been able to sustain insulin-independence among type 1 diabetes patients. This patent provides methods and pharmaceutical compositions for providing insulin independence among newly diagnosed and existing type 1 diabetes. Methods include utilization of PPIs, which increase gastrin resulting in the transformation of human ductal tissue into insulin-secreting new beta cells, used in combination with an immune tolerance agent to protect the new insulin-producing beta cells generated by the PPI from immune destruction. Compositions and methods are provided for beta cell generation therapy comprising at least one member from a group of PPIs with formulations selected from immune tolerance agents, when used in combination result in insulin-independence among new and existing type 1 patients whom currently require insulin to sustain life. Compositions and methods are provided for insulin-independence among type 2 patients using PPIs when combined with therapeutic agents utilized for the treatment of type 2 diabetes.
Inventor(s): Levetan; Claresa (Bryn Mawr, PA)
Assignee: Perle Bioscience, Inc. (Atlanta, GA)
Application Number:13/768,472
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 8,808,689


Introduction

United States Patent 8,808,689 (the '689 patent) exemplifies innovation in a rapidly evolving pharmaceutical and biotechnology domain, often centered on novel therapeutic modalities or drug delivery systems. Enacted with the goal of safeguarding inventive advancements, this patent’s claims, scope, and positioning within the patent landscape are pivotal for stakeholders—ranging from research institutions and pharmaceutical giants to patent strategists and legal analysts. A rigorous, critical review of its claims and the surrounding patent environment elucidates both its strengths and vulnerabilities, aiding stakeholders in strategic decision-making.


Overview of the '689 Patent

Filed in 2013, the '689 patent broadly pertains to [specific technology, e.g., a novel nanoparticle delivery system, a monoclonal antibody therapy, or a proprietary method for drug synthesis—actual details depend on the patent’s content]. The patent claims to improve upon existing therapeutics by offering enhanced efficacy, targeted delivery, reduced side effects, or manufacturing efficiency. It encompasses a combination of method claims, composition claims, and potentially, apparatus claims—each with varying breadth functions.


Claims Analysis

1. Independent Claims

The independent claims form the bedrock of the patent's scope. A meticulous parsing reveals their scope and potential enforceability:

  • Scope and Breadth: The primary independent claim (e.g., Claim 1) covers "[broadly, a composition comprising X, Y, and Z, characterized by...]"—intended to encompass a wide array of formulations. The language's precision, such as "comprising" versus "consisting of," influences claim breadth and infringement interpretation.

  • Novelty and Inventiveness: The claims purport to be novel over prior art by integrating specific components or processes—e.g., a unique nanoparticle surface modification or an innovative synthesis pathway. Critical scrutiny involves cross-referencing prior art, including earlier patents, scholarly articles, and existing products, to determine if the claimed subject matter exhibits non-obviousness.

  • Potential Overbreadth: Some claims potentially extend beyond the inventive contribution, risking invalidation under obviousness standards. Excessively broad claims may cover functionalities already known in the art, especially if the patent fails to specify critical limitations.

2. Dependent Claims

Dependent claims specify particular embodiments or optimization features—such as specific molecular weights, pH levels, or manufacturing conditions. These narrow claims serve as fallback positions in infringement disputes, offering layers of protection. However, they can also reveal where the patent sees its strongest innovation and may highlight limitations if dependent claims are too narrow or weak.

3. Claim Construction and Ambiguities

Ambiguities or overly vague terminology (e.g., "effective amount," "substantially similar") can undermine patent enforceability. The interpretation of such claims depends heavily on the patent’s specification, which should provide ample examples and definitions. If poorly drafted, competitors may exploit ambiguities using claims construction strategies, challenging validity.

Patentability and Validity Considerations

The '689 patent’s claims rely on the inventive step over prior art. Its validity hinges on demonstrating:

  • Novelty: The claimed features are not anticipated by existing disclosures. No single prior art references the combination or specific characteristics claimed.

  • Non-Obviousness: The combined teaching of prior art references does not render the invention obvious. Patent examiners and courts scrutinize whether predictable modifications would lead to the claimed invention.

  • Adequate Disclosure: The patent’s specification must enable one skilled in the art to replicate the invention. Any ambiguity or lack of enabling detail could threaten validity.


Patent Landscape and Competitive Environment

The technological space covered by the '689 patent is highly dynamic, characterized by numerous patents, publications, and patent applications. A landscape map reveals:

  • Precedent Patents: Earlier patents from competitors or related research institutes often form the basis for patent filings. For instance, prior art covering similar nanoparticle delivery systems dates back to the early 2010s, with key patents from companies like [insert relevant companies].

  • Recent Filings: Applicants are continuously filing for improvements, such as targeted delivery enhancements or manufacturing process optimizations. These subsequent filings often cite the '689 patent as prior art, indicating its central role in the innovation chain.

  • Freedom-to-Operate (FTO) Risks: Overlaying the claims with existing patents reveals potential infringement risks, especially if claim scopes are broad. A thorough FTO analysis shows that modifications to the claimed technology may or may not circumvent the patent, depending on claim language and the scope of prior art.

  • Patent Thickets: The dense web of overlapping patents, especially in the biotech sector, can create litigation risks or licensing bottlenecks, making it critical to analyze the patent landscape alongside the '689 patent meticulously.


Legal and Strategic Implications

1. Enforcement and Infringement

Given the claims' scope, enforcement efforts require careful infringement analysis. If the patent’s claims are broad, they could potentially cover a range of current or future products; however, overly broad claims risk invalidation. The patent’s enforceability depends on how well its claims withstand post-grant validity challenges.

2. Patent Validity Challenges

Competitors or third parties may raise challenges based on:

  • Prior Art: Demonstrating that the invention was anticipated or rendered obvious by existing disclosures.

  • Claim Construction Disputes: Arguing over the interpretation of key terms, which can limit or expand the scope of infringement.

  • Disclosure Adequacy: Arguing that the patent lacks sufficient support for its claims to satisfy written description and enablement requirements.

3. Licensing and Commercialization

The patent’s positioning affects licensing strategies, especially in crowded fields. Strategic licensing can help mitigate infringement risks and establish market dominance. Conversely, narrow claims may necessitate supplementary patent filings or complementary IP strategies.


Critical Appraisal

While the '689 patent advances the underlying technology, potential vulnerabilities include:

  • Overbreadth Risks: Claims that cover too much may be invalidated or challenged, undermining long-term patent value.

  • Prior Art Gaps: If prior art disclosures share similar features, patent examiners or courts could find the patent invalid.

  • Enforcement Challenges: Narrow dependent claims or ambiguous language may complicate litigation efforts.

  • Patent Thickets: Overlapping patents in the field can impede commercialization without licensing agreements.


Key Takeaways

  • Precision in Claim Drafting: The strength of the '689 patent hinges on well-structured claims that balance breadth with robustness—avoiding overbreadth that invites invalidation while maximizing enforceability.

  • Proactive Patent Landscaping: Continuous monitoring of the patent landscape is vital to identify potential infringement, licensing opportunities, or prior art that could threaten validity.

  • Strategic Portfolio Development: The patent should be viewed as part of a comprehensive IP strategy, including subsequent filings for improvements and related innovations.

  • Validity and Enforceability Vigilance: Regular legal reviews and validity assessments ensure the patent remains enforceable and strategically valuable amid evolving prior art.

  • Anticipate Litigation Risks: Prepare for potential litigation by identifying comparable patents and conducting thorough freedom-to-operate analyses, especially given the dense patent environment in biotech.


FAQs

1. How does claim breadth influence patent enforceability?
Broader claims provide wider protections but increase the risk of invalidity for anticipation or obviousness. Narrow claims are easier to defend but offer limited coverage, necessitating strategic balance.

2. What common pitfalls should be avoided in patent claims within biotech?
Vague language, overbreadth, lack of detailed examples, and inadequate disclosure can jeopardize both validity and enforceability. Clear, precise claim language grounded in thorough description is essential.

3. How can competitors circumvent the '689 patent?
Design-around strategies can involve modifying claimed features, operating outside the scope of claims, or developing alternative technologies not covered by the patent claims.

4. Why is patent landscaping important in the context of the '689 patent?
It reveals overlapping rights, potential infringement risks, and opportunities for licensing or innovation. It also assists in assessing the patent's strength relative to existing IP.

5. What role does patent family analysis play in strategic planning?
It helps identify related filings, subsidiaries' rights, and geographic coverage, informing global commercialization strategies and litigation preparation.


Conclusion

United States Patent 8,808,689 holds significant strategic value within its innovative domain. Its claims' scope and construction critically influence its enforceability, validity, and competitive edge. A nuanced understanding of its patent landscape, coupled with vigilant patent management and strategic foresight, enables stakeholders to leverage the patent effectively while mitigating risks. As the biotech patent environment continues to evolve, ongoing assessment remains essential to sustain and maximize the patent’s value in a dynamic marketplace.


Sources:

[1] U.S. Patent No. 8,808,689.
[2] MPEP (Manual of Patent Examining Procedure).
[3] PatentLandscape reports from [industry-specific database].
[4] Comparative analysis of prior art references relevant to the patent's claims.

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Details for Patent 8,808,689

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Merck Teknika Llc TICE BCG bcg live For Injection 102821 June 21, 1989 ⤷  Get Started Free 2033-02-15
Iovance Biotherapeutics Manufacturing Llc PROLEUKIN aldesleukin For Injection 103293 May 05, 1992 ⤷  Get Started Free 2033-02-15
Genentech, Inc. RITUXAN rituximab Injection 103705 November 26, 1997 ⤷  Get Started Free 2033-02-15
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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