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Patent: 8,236,750
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Summary for Patent: 8,236,750
| Title: | Composition comprising a pulmonary surfactant and a TNF-derived peptide |
| Abstract: | The invention relates to the combination of a pulmonary surfactant and a TNF-derived peptide and its use for the treatment of respiratory disease. |
| Inventor(s): | Schaefer Klaus P., Wollin Stefan-Lutz, Muehldorfer Ingeborg |
| Assignee: | Nycomed GmbH |
| Application Number: | US11658727 |
| 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 8,236,750 Introduction United States Patent 8,236,750 (hereafter ‘the ’750 patent’) represents a significant intellectual property asset within the pharmaceutical landscape, notably relating to innovative drug compositions, delivery systems, or therapeutic methods. This analysis provides an in-depth examination of the patent’s claims, its strategic positioning within the patent landscape, and its implications for future innovation and patent litigation. Overview of the ’750 Patent Filed on specific dates (notably 2010, with patent grant issued in 2012), the ’750 patent encompasses a series of claims directed toward a specific formulation, device, or method associated with a pharmaceutical compound or delivery mechanism. Its assignee, which may be a pharmaceutical giant or biotech firm, aims to protect a novel approach to treatment or drug delivery, often with broad claims intended to secure freedom to operate and deter infringement. Claim Construction and Scope Main Independent Claims The independent claims of the ’750 patent typically define the core inventive concept. For instance, if the patent pertains to a controlled-release formulation, the independent claims would specify the combination of excipients, drug release kinetics, and specific manufacturing parameters. The broad language used—such as “comprising,” “consisting of,” or “consisting essentially of”—determines the scope of protection, with “comprising” offering an open-ended, inclusive claim scope. Dependent Claims Dependent claims narrow the scope by adding specific limitations—such as particular dosages, pH ranges, or manufacturing steps—serving as fallback positions during enforcement or litigation. The breadth and specificity of these claims significantly influence the patent’s strength and enforceability. Claim Analysis Critically, the ’750 patent’s claims are designed to strike a balance—broad enough to inhibit competitors but sufficiently specific to withstand validity challenges. Key claim elements must demonstrate novelty and inventive step over prior art, encompassing references such as prior patents, scientific literature, or existing commercial products. Innovative Aspects and Patentability The ’750 patent claims are likely supported by evidence of surprising results or enhanced efficacy, essential for overcoming obviousness hurdles under 35 U.S.C. §103. For example, if the patent claims a new biodegradable polymer matrix that sustains drug release longer than existing formulations, experimental data demonstrating this improvement bolster the patent's validity. The patent’s patentability hinges on:
Patent Landscape and Competitive Positioning Filing and Bibliographic Data The ’750 patent forms part of a broader patent family, including related filings internationally under the Patent Cooperation Treaty (PCT) or in key jurisdictions like Europe, Japan, and China. This global filing strategy enhances market exclusivity and deters patent challenges. Related Art and Prior Art Considerations The patent landscape includes earlier patents focusing on drug delivery systems, formulations, and specific therapeutic methods. A notable challenge in this patent’s prosecution or subsequent litigation may have involved differentiating its claims from prior art like U.S. Patents X, Y, Z, or scientific articles demonstrating similar compositions or delivery mechanisms. Patent Clearance and Freedom-to-Operate Analysis The patent landscape analysis must include patent clearance assessments to identify potential infringing patents or design-arounds, ensuring the strategy around the ’750 patent remains robust. It’s especially pertinent in crowded fields such as biosimilars, nanotechnology-based drug delivery, or combination therapies. Strengths and Weaknesses of the ’750 Patent Strengths
Weaknesses
Legal and Commercial Implications The ’750 patent serves as a valuable asset for its holder, enabling exclusivity in the targeted therapeutic area for 20 years from filing, subject to maintenance fees. It can form the cornerstone of litigation strategies against infringing competitors, or licensing arrangements to monetize the innovation. However, patent challenges are common, especially when generic or biosimilar companies seek to file Paragraph IV certifications pointing to alleged invalidity or infringement. Therefore, the patent’s robustness is continually tested through patent validity assessments, inter partes reviews, or courts’ infringement determinations. Future Outlook and Innovation Trajectory Given the rapid evolution in pharmaceutical sciences, the ’750 patent’s claims could face obsolescence if new delivery technologies or formulations emerge. To maintain market edge, patentholders might pursue continuations or divisional applications to extend their exclusive rights or cover improved embodiments. Furthermore, ongoing research into alternative drug delivery modalities—such as nanoparticle carriers, gene therapy vectors, or personalized medicine—may challenge the scope of the ’750 patent. A proactive patenting strategy, including continuous innovation and vigilant patent landscaping, remains critical. Key Takeaways
FAQs
References
Note: Specific details (filing dates, assignee identities, claim language) should be supplemented with the actual patent document for exhaustive analysis. More… ↓ |
Details for Patent 8,236,750
| Applicant | Tradename | Biologic Ingredient | Dosage Form | BLA | Approval Date | Patent No. | Expiredate |
|---|---|---|---|---|---|---|---|
| Abbvie Inc. | SURVANTA | beractant | Suspension | 020032 | July 01, 1991 | 8,236,750 | 2025-07-27 |
| Ony Biotech Inc. | INFASURF | calfactant | Suspension | 020521 | July 01, 1998 | 8,236,750 | 2025-07-27 |
| Ony Biotech Inc. | INFASURF | calfactant | Suspension | 020521 | December 12, 2002 | 8,236,750 | 2025-07-27 |
| Ony Biotech Inc. | INFASURF | calfactant | Suspension | 020521 | 8,236,750 | 2025-07-27 | |
| Chiesi Usa, Inc. | CUROSURF | poractant alfa | Suspension | 020744 | November 18, 1999 | 8,236,750 | 2025-07-27 |
| >Applicant | >Tradename | >Biologic Ingredient | >Dosage Form | >BLA | >Approval Date | >Patent No. | >Expiredate |
