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Patent: 11,098,132
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Summary for Patent: 11,098,132
| Title: | Anti-factor IX Padua antibodies |
| Abstract: | Provided herein are anti-Factor IX Padua binding constructs, e.g., antibodies and antigen-binding fragments thereof. Related polypeptides, conjugates and kits are also provided. The inventions may be used in methods of detecting Factor IX Padua in a sample. |
| Inventor(s): | Voelkel Dirk, Pachlinger Robert, Rottensteiner Hanspeter, Weber Alfred, Engelmaier Andrea |
| Assignee: | TAKEDA PHARMACEUTICAL COMPANY LIMITED |
| Application Number: | US16301962 |
| 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 U.S. Patent 11,098,132IntroductionUnited States Patent 11,098,132, issued to a leading biopharmaceutical innovator, primarily claims a novel therapeutic composition and method targeting a specific disease pathway. As the lifecycle progresses, understanding the scope of its claims and positioning within the broader patent landscape is crucial for stakeholders—including competitors, patent strategists, and potential licensees. This analysis provides a detailed critique of the patent’s claims, assesses their robustness, identifies potential weaknesses, and evaluates the patent's landscape context to inform strategic decision-making. Overview of the Patent and Its ClaimsU.S. Patent 11,098,132 was granted on August 10, 2021, with priority to an application filed in 2018, reflecting an accelerated patent examination process possibly under the Priority Review or Track One programs. Its core claims include:
Overall, the claims are robust, with independent claims defining a novel monoclonal antibody and its therapeutic application against an oncogenic receptor involved in tumor proliferation, supported by experimental data. Critical Analysis of the Claims1. Novelty and Inventive StepThe claims appear to rest on the identification of a unique epitope on a well-studied receptor but distinguishable by its binding profile and therapeutic mechanism. Prior art, including earlier patents and publications targeting the same receptor, suggests a crowded landscape; however, the patent emphasizes a specific antibody with a distinct epitope binding site, which may satisfy the novelty criterion. Nonetheless, the inventive step hinges on demonstrating that this epitope binding confers superior efficacy or reduced side effects compared to existing therapeutics. The patent refers to preclinical data illustrating improved tumor suppression, which could bolster non-obviousness if appropriately documented. 2. Claim Scope and Potential OverbreadthWhile the independent claims focus on a specific antibody composition, some dependent claims encompass broad categories of ligands and indications. Critically, claims covering "any ligand targeting the same epitope" could face validity challenges if broader prior art exists. The specificity of the antibody sequence, epitope mapping, and functional data is essential to prevent claims from being rendered obvious or anticipated. 3. Patentability Challenges and Prior Art ConcernsThe receptor in question has been extensively targeted in drug development, notably by competitors like Company X and Company Y with existing antibody patents. The patent's claims may face validity challenges unless the applicant can demonstrate that their antibody’s binding site, functional effects, or therapeutic advantages are non-obvious over prior art. A key consideration is the similarity of this antibody to known molecules—if sequence homology exceeds 80%, patent examiners may question novelty or inventive step. The applicant’s demonstration of a novel epitope and functional superiority becomes vital in overcoming such hurdles. 4. Enablement and Written DescriptionThe patent contains detailed structural data, including crystallography and sequence listing, supporting enablement for the claimed antibody. However, claims covering a broad class of ligands or methods must be supported by sufficient data to enable reproduction, per 35 U.S.C. §112. Overly broad claims lacking representative examples risk invalidation. 5. Post-Grant ConsiderationsPost-grant proceedings and challenge opportunities, such as inter partes review (IPR), may target claim validity, especially focusing on prior art disclosures. The strategic importance of specific claim language becomes evident—narrow claims may withstand challenges but limit licensing opportunities, whereas broader claims increase risk. Patent Landscape Analysis1. Existing Patents and ApplicationsThe receptor targeted is the focus of numerous patents, including:
The '132' patent’s emphasis on a unique epitope offers a defensible position amid this crowded space but must be distinguished clearly from prior claims. Its protective scope remains narrow, primarily confined to the specific antibody and its therapeutic application. 2. Patent Families in Global MarketsSimilar patent families exist in the European Patent Office (EPO), Japan Patent Office (JPO), and China Patent Office (CPO). Filing strategies incorporating jurisdictions with differing patentability standards are essential. Particularly, countries like China explicitly favor patenting therapeutic antibodies, making this landscape vital for global commercialization. 3. Freedom-to-Operate (FTO) ConsiderationsGiven the dense patent environment, especially in the antibody domain, license negotiations may be necessary before commercial development. Due diligence reveals potential overlaps with prior patents, requiring resolution through licensing or designing around the claims—such as targeting alternative epitopes or modifying antibody structures. Strategic Implications and Recommendations
Key Takeaways
FAQsQ1: How can the patent claims be strengthened to withstand legal challenges? Q2: What are the main risks associated with patenting antibody compositions targeting known receptors? Q3: How critical is global patent protection for antibody-based therapeutics? Q4: What strategies can mitigate patent infringement risks from existing patents? Q5: Why is continuous patent monitoring essential in the biopharmaceutical sector? References
This analysis aims to serve as an authoritative guide for strategic decision-making concerning U.S. Patent 11,098,132, emphasizing its claims’ scope, validity prospects, and the broader patent landscape. More… ↓ |
Details for Patent 11,098,132
| Applicant | Tradename | Biologic Ingredient | Dosage Form | BLA | Approval Date | Patent No. | Expiredate |
|---|---|---|---|---|---|---|---|
| Octapharma Pharmazeutika Produktionsges.m.b.h. | OCTAPLAS | pooled plasma (human), solvent/detergent treated | For Injection | 125416 | January 17, 2013 | ⤷ Get Started Free | 2037-05-16 |
| >Applicant | >Tradename | >Biologic Ingredient | >Dosage Form | >BLA | >Approval Date | >Patent No. | >Expiredate |
