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Patent: 9,925,262
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Summary for Patent: 9,925,262
| Title: | Kits comprising formulations of anti-C5 antibodies |
| Abstract: | The present disclosure relates to, inter alia, stable aqueous solutions comprising a high concentration of an antibody that binds to human complement component C5 and methods for preparing the solutions. The disclosure also provides methods for treating or preventing complement-associated disorders (for example, age-related macular degeneration or rheumatoid arthritis) using the solutions. Also featured are therapeutic kits containing one or more of the solutions and a means for administering the solutions to a patient in need such a treatment. |
| Inventor(s): | Zhou; Xiao-Hong (Madison, CT), Wang; Yi (Woodbridge, CT) |
| Assignee: | Alexion Pharmaceuticals, Inc. (New Haven, CT) |
| Application Number: | 15/384,788 |
| Patent Claims: | see list of patent claims |
| Patent landscape, scope, and claims summary: | A Comprehensive and Critical Analysis of the Claims and the Patent Landscape for United States Patent 9,925,262 IntroductionUnited States Patent 9,925,262 (hereafter "the '262 patent") represents a significant legal instrument in the realm of biomedical innovation, particularly within the pharmaceutical sector. Issued on March 27, 2018, this patent's claims and overall landscape merit detailed examination to understand their scope, strength, and implications for both patent holders and competitors. This analysis critically explores the patent's core claims, their legal robustness, and how the '262 patent interfaces with the broader patent environment shaping therapeutic innovations. Overview of the '262 PatentThe '262 patent belongs to a family of patents that focus on a specific therapeutic modality—likely a novel biological molecule, a drug delivery system, or a diagnostic tool—though the precise nature hinges on the original application (which is publicly accessible via USPTO records). The patent comprises a series of claims designed to protect the inventive aspects deemed novel and non-obvious at the time of filing. Its issuance signifies the United States Patent and Trademark Office (USPTO) concluded the claims met the statutory requirements of patentability. Analysis of the Patent ClaimsScope and Breadth of ClaimsThe core claims of the '262 patent tend to encapsulate either a particular composition, method, or system. Typically, in biomedical patents, claims are classified as independent and dependent claims. The independent claims lay the broadest foundation, while dependent claims specify particular embodiments and implementations.
Novelty and Non-ObviousnessThe claims' novelty hinges on the unearthing prior art that predates the filing date. The patent landscape surrounding compounds or methods similar to those claimed often involves extensive previous patents, scientific literature, and commercial disclosures. The '262 patent's claims presumably leverage innovative aspects—such as modifications to existing compounds or novel use cases—that were not previously disclosed. The non-obviousness assessment remains critical, especially regarding modifications to known therapeutic molecules or delivery systems. Patent examiners would have scrutinized whether these claims involve inventive steps beyond routine optimization. The outcome indicates the USPTO considered the claimed invention sufficiently inventive at the time of grant. Claim Dependencies and Potential OverlapsSome claims might encroach upon or overlap with prior art, risking invalidation via prior-publication or obviousness grounds. Conversely, overly narrow claims may afford limited scope, encouraging infringers to design around and weaken enforcement prospects. Effective claim drafting balances broad protection with defensibility, which appears duly considered given the patent's grant. Legal and Strategic RobustnessPrior Art and Patentability ChallengesPotential challenges to the '262 patent could involve prior art searches revealing similar molecules, methods, or systems, particularly from scientific publications or earlier patents. Post-grant, third parties can initiate inter partes reviews (IPR) or reexamination proceedings, assessing whether the claims are valid. The patent’s strength will depend on the thoroughness of initial prosecution and prior art searches. Potential for Patent Infringement and LicensingThe scope of the patent likely positions it as a critical barrier against competitors developing similar therapeutics or delivery systems. The patent's enforceability and breadth influence licensing opportunities, market exclusivity, and litigation strategies. Claim Amendments and Litigation HistoryIf the patent litigates or faces validity challenges, the courts or Patent Trial and Appeal Board (PTAB) will analyze claim scope, prior art, and prosecution history. A robust prosecution history that supports the non-obvious and novel nature of the claims enhances enforceability. Patent Landscape and Competitive EnvironmentThe biomedical patent landscape surrounding the '262 patent includes:
Critical PerspectiveThe strength of the '262 patent ultimately depends on its claims’ precise language and how well they withstand legal scrutiny against prior art. Broad independent claims can foster significant market exclusivity but risk being invalidated for lack of inventive step or insufficient disclosure. Conversely, narrowly crafted claims reduce vulnerability but may confine the patent’s commercial utility. An important consideration is whether the patent sufficiently discloses the inventive concept and provides enablement across the claimed scope. Insufficient disclosure could serve as grounds for invalidation or licensing difficulties, particularly if enforceability becomes contested. Key Takeaways
FAQs1. What are the typical challenges faced during the prosecution of a patent like the '262 patent? 2. How does the patent landscape impact the commercial success of therapies protected by the '262 patent? 3. Can the '262 patent be challenged post-grant, and what are the consequences? 4. How important is claim drafting in securing the enforceability of the patent? 5. What strategies can patent holders employ to strengthen their position regarding the '262 patent? References[1] USPTO Patent Full-Text and Image Database. United States Patent 9,925,262. More… ↓ |
Details for Patent 9,925,262
| Applicant | Tradename | Biologic Ingredient | Dosage Form | BLA | Approval Date | Patent No. | Expiredate |
|---|---|---|---|---|---|---|---|
| Alexion Pharmaceuticals, Inc. | SOLIRIS | eculizumab | Injection | 125166 | March 16, 2007 | ⤷ Start Trial | 2036-12-20 |
| >Applicant | >Tradename | >Biologic Ingredient | >Dosage Form | >BLA | >Approval Date | >Patent No. | >Expiredate |
