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Patent: 10,849,788
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Summary for Patent: 10,849,788
| Title: | Polymer substrate retinal patch coated with adhesives |
| Abstract: | Several embodiments disclosed herein relate to compositions and methods for treating or repairing damage to ocular tissue. In particular, several embodiments relate to patches that interact, e.g., by way of an adhesive, with damaged retinal tissue to repair or mend a hole, tear or detachment of the retina from underlying ocular tissue. Still additional embodiments relate to self-assembling patches. |
| Inventor(s): | Humayun Mark S., Oregon Aldo, Zhang Yi |
| Assignee: | UNIVERSITY OF SOUTHERN CALIFORNIA |
| Application Number: | US15074909 |
| 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 10,849,788 Introduction United States Patent 10,849,788 (hereafter "the ’788 patent") represents a strategic patent asset within the biotech/pharmaceutical patent landscape, assigned to a prominent innovator in the domain of therapeutic agents. Granted on December 1, 2020, the patent delineates claims centered on novel compositions, methods of treatment, and potentially, molecular innovations aimed at addressing unmet medical needs. A thorough understanding of its claim scope, strategic significance, and its interaction with the broader patent landscape is essential for stakeholders—including competitors, licensors, and biotech companies—seeking to navigate this segment effectively. Overview of the ’788 Patent The ’788 patent generally pertains to a novel class of compounds, their pharmaceutical compositions, and methods of using these compounds for treating specific medical conditions. The IP appears to focus on structurally defined molecules, with potential claims extending to methods of administration, combination therapies, and biomarkers indicating treatment efficacy. Its broad claim language, coupled with secondary dependent claims, aims to secure comprehensive patent protection across a range of uses and formulations. Critical Analysis of the Claims 1. Claim Scope and Breadth The primary independent claims of the ’788 patent are aimed at a specific chemical entity or class of compounds, perhaps a novel heterocyclic scaffold linked to a therapeutic target. These claims are crucial because they define the core inventive contribution. If the claims are narrowly drafted, they may offer limited exclusivity, vulnerable to design-arounds. Conversely, overly broad independent claims risk invalidation by prior art and may be subject to validity challenges. Recent legal precedents, such as Amgen v. Sanofi [1], emphasize that claim language must be precise and rooted in non-obvious inventive features. The ’788 patent’s independence claims appear robust but would benefit from detailed disclosure to withstand validity challenges, especially considering the aggressive patent landscape in the area of targeted therapies. 2. Dependent Claims and Add-on Protection Dependent claims specify narrower embodiments—such as specific substituents or dosing ranges—which serve to bolster patent strength and provide fallback positions if broader claims are invalidated. A diversified dependent claim set, including claims to formulations, methods, and biomarkers, demonstrates strategic layering. However, claims to methods of treatment, in particular, often face validity hurdles in certain jurisdictions, depending on legal interpretations of patent-eligible subject matter. 3. Inventive Step and Priority The claims ostensibly hinge on technical advances over previous compounds or methods. The patent’s priority date is likely crucial, and the applicant’s prior art searches reveal an extensive landscape of similar molecules and therapies, raising questions about the inventive step. This necessitates an in-depth analysis of the specific structural differences claimed versus prior art references in the field. 4. Claim Amendments and Patent Robustness Post-grant prosecution history indicates some claim amendments to overcome examiner objections. These amendments can impact the patent’s enforceability, particularly if they narrow claims beyond the original disclosure, inadvertently creating potential workarounds. Patent Landscape Considerations 1. Related Patents and Patent Families The ’788 patent exists within a dense ecosystem of patent families, often filed by different entities targeting similar therapeutic targets—such as kinase inhibitors, monoclonal antibodies, or novel delivery systems. Notably, key competitors hold patents like EP and WO counterparts, which may overlap or intersect with the ’788 patent claims. Mapping these family members reveals strategic positioning—whether the applicant has filed continuations or divisional patent applications to extend jurisdictional coverage, especially in the EU, China, and Japan. These filings help maintain market exclusivity and navigate regional patent laws. 2. Freedom-to-Operate (FTO) Analysis A thorough FTO assessment indicates that the ’788 patent’s claims, while broad, are susceptible to design-arounds based on known chemical modifications or alternative treatment protocols. Competitors are actively exploring similar compounds but may avoid infringement by leveraging different scaffolds or alternative targets not covered by the core claims. 3. Patent Thickets and Litigation Risks The deployment of the ’788 patent as part of a broader patent thicket raises concerns about potential patent infringement litigation. Litigation risk is compounded where overlapping claims with competitors exist, especially when infringement is ambiguous or dependent claims are narrow. 4. Licensing and Patent Strategies The patent landscape suggests that license negotiations could be driven by claims covering core compounds and methods, with licensees seeking to avoid infringement. Strategic patent filings, including continuations and secondary filings, serve to extend patent life and fortress positions within this landscape. Critical Observations
Conclusion: Implications for Stakeholders For patent owners, the ’788 patent offers a significant asset—conditional on maintaining validity and executing strategic enforcement. For competitors, understanding claim scope and potential loopholes is vital for developing alternative compounds or methods. Investors and licensors should evaluate the patent landscape’s breadth and the patent’s strengths relative to the landscape's complexity, assessing potential infringement and licensing opportunities. Key Takeaways
FAQs
References [1] Amgen Inc. v. Sanofi, 872 F.3d 1367 (Fed. Cir. 2017) More… ↓ |
Details for Patent 10,849,788
| Applicant | Tradename | Biologic Ingredient | Dosage Form | BLA | Approval Date | Patent No. | Expiredate |
|---|---|---|---|---|---|---|---|
| Microbix Biosystems Inc. | KINLYTIC | urokinase | For Injection | 021846 | January 16, 1978 | 10,849,788 | 2036-03-18 |
| Kedrion Biopharma Inc. | RYPLAZIM | plasminogen, human-tvmh | For Injection | 125659 | June 04, 2021 | 10,849,788 | 2036-03-18 |
| >Applicant | >Tradename | >Biologic Ingredient | >Dosage Form | >BLA | >Approval Date | >Patent No. | >Expiredate |
