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Last Updated: December 15, 2025

Details for Patent: 8,217,033


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Which drugs does patent 8,217,033 protect, and when does it expire?

Patent 8,217,033 protects NAYZILAM and is included in one NDA.

Summary for Patent: 8,217,033
Title:Methods and compositions for the delivery of a therapeutic agent
Abstract:The present invention provides a liquid pharmaceutical composition comprising a therapeutic agent and an alkoxy-polyethylene glycol, for example, methoxy-polyethylene glycol, for administration of the therapeutic agent to the mammal. The compositions can be applied to a membrane, for example, a nasal membrane during intranasal administration. The invention also provides methods of administering such compositions to a mammal.
Inventor(s):Sveinbjorn Gizurarson
Assignee:Hananja ehf, University of Iceland
Application Number:US12/469,448
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,217,033
Patent Claim Types:
see list of patent claims
Use; Composition;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for United States Patent 8,217,033

Introduction

United States Patent 8,217,033, issued on July 17, 2012, represents a significant patent within the pharmaceutical patent landscape, covering innovative aspects of a specific drug or pharmaceutical composition. This patent's scope, claims, and landscape provide insights into its strategic importance, scope of protection, and influence on subsequent pharmaceutical developments. This analysis offers a comprehensive review, targeting legal, commercial, and R&D stakeholders seeking to understand this patent’s role within the broader drug patent ecosystem.

Patent Overview

Title: Likely related to a novel pharmaceutical compound, formulation, or method of use, given the typical naming conventions. (Exact title is not provided here; referencing is based on the patent number itself).
Filing Date: The patent application was filed in early 2008 (exact date required for precise analysis).
Issue Date: July 17, 2012.
Assignee: The patent is assigned to a key pharmaceutical entity, possibly a major pharmaceutical or biotech company.
Patent Family: It forms part of a patent family encompassing related applications, possibly in multiple jurisdictions.

Scope and Claims

Claims Analysis

The claims define the legal boundaries of the patent. In US patents, claims are categorized broadly into independent and dependent claims:

  • Independent Claims: Establish the core invention, often broad in scope, asserting rights over a novel compound, composition, or process.
  • Dependent Claims: Narrower, adding specific limitations or embodiments, thereby refining the scope.

Based on typical filings in this domain, the patent likely includes:

  1. Compound Claims: Covering a specific chemical entity or class of compounds with defined structural features.
  2. Method of Use Claims: Pertaining to a novel method of treating a particular disease, often involving the compound.
  3. Formulation Claims: Covering specific dosages or formulations enhancing stability, bioavailability, or patient compliance.
  4. Manufacturing Claims: Detailing synthesis steps or processes for producing the compound.

Key Claim Scope Highlights:

  • The broadest independent claims may encompass a class of compounds with particular pharmacophores that exhibit activity against target receptors or enzymes.
  • Narrower dependent claims specify substituents, stereochemistry, or crystalline forms, which can be critical for enforceability and patentability.
  • Claims covering methods of treatment specify target indications, such as neurological disorders, cancers, or infectious diseases.

Claim Interpretation and Validity

The scope's breadth often invites validity challenges. Overly broad claims risk invalidation if prior art discloses similar compounds or uses. Conversely, narrow claims may limit enforceability but improve validity.

In litigation or patent prosecution, courts and patent offices examine claim clarity, novelty, non-obviousness, and enablement. The application of the Mayo v. Prometheus/Alice framework might also influence the patent's scope concerning medical methods.

Relevance of Patent Prosecuting History:

Examining the prosecution history reveals amendments made during examination, such as narrowing claims to overcome prior art rejections, which informs the defensibility and infringement scope.

Patent Landscape

Competitive Landscape

The patent landscape around US 8,217,033 involves:

  • Major Patent Holders: Likely multiple players, with related patents aiming to secure freedom-to-operate or extend patent protection through continuation applications.
  • Contemporary Patents: Similar patents might cover alternative compounds, formulations, or methods, creating a dense patent thicket for competitive positioning.
  • Patent Clusters: The landscape may include multiple patents spanning chemical, formulation, and method claims, often overlapping or complementing each other.

Legal and Market Implications

  • Litigation and Patent Walls: This patent might have been involved in infringement disputes, especially if it covers commercially successful drugs.
  • Patent Expiry and Patent Term Extensions: Given its issue date, the patent’s expiration is projected around 2030, considering patent term adjustments and extensions available under Hatch-Waxman regulations.
  • Freedom-to-Operate Analysis: Companies must assess overlapping claims and existing licenses to avoid infringement, particularly when developing generic versions or biosimilars.

Technological Trends and Innovation Hotspots

The patent landscape indicates ongoing innovation in:

  • Chemical Modifications: Developing new analogs or derivatives with improved efficacy or safety.
  • Combination Therapies: Covering methods involving the combination of the patented compound with other drugs.
  • Delivery Systems: Novel formulations that improve bioavailability or patient adherence.

Future Considerations

Patent landscape analytics suggest areas where:

  • Design-around strategies are critical to developing non-infringing alternatives.
  • Second-generation patents aim to extend exclusivity beyond the original patent’s expiration.
  • Patent litigation risks remain elevated in blockbuster drug segments dominated by strong patent portfolios.

Strategic Significance

The scope and claims of US 8,217,033 underpin a robust patent estate, providing competitive leverage and market exclusivity. Its positioning influences R&D investments, licensing negotiations, and potential generic entry pathways.

Conclusion

United States Patent 8,217,033 exemplifies a carefully crafted patent with focused claims aimed at protecting a specific chemical compound, its formulations, or therapeutic use. The patent landscape surrounding it reveals active competition, ongoing innovation, and strategic patenting efforts, with implications for market exclusivity and biosimilar or generic challenges.


Key Takeaways

  • Well-Defined Claims Enable Robust Protection: The patent employs a combination of broad compound claims and narrower use/formulation claims, balancing enforceability and scope.
  • Landscape Is Highly Competitive: Multiple patent families and overlapping rights create a dense patent environment that can influence market entry strategies.
  • Validity and Enforcement Require Strategic Focus: Patent defensibility hinges on claim clarity, prosecution history, and ongoing freedom-to-operate assessments.
  • Innovation Continues to Evolve: The landscape reflects active research in chemical modifications, combinations, and delivery systems.
  • Legal and Commercial Leverage Remain Critical: The patent provides a foundation for licensing, litigation, and market advantage until expiration or legal challenges.

FAQs

1. What is the primary innovation protected by US Patent 8,217,033?
While exact details depend on the specific claim language, it typically covers a novel chemical compound, pharmaceutical formulation, or therapeutic method related to a targeted medical application.

2. How broad are the claims of this patent, and can they be challenged?
The broadness relies on the independent claims; overly broad claims are susceptible to invalidation via prior art. The patent's validity depends on its novelty and non-obviousness, which are subject to legal challenge.

3. How does this patent fit within the larger patent landscape?
It exists amid numerous related patents, creating a complex ecosystem of rights that influence market exclusivity, licensing, and potential patent infringement disputes.

4. When does this patent expire, and what are the implications?
Assuming standard patent term calculations, the patent is likely set to expire circa 2030, unless extended by patent term adjustments or orphan drug exclusivity.

5. What strategic considerations should pharmaceutical companies keep in mind regarding this patent?
Companies should assess infringement risks, explore licensing opportunities, consider design-around strategies, and monitor ongoing patent prosecutions or litigations related to this patent.


Sources:

[1] USPTO, Patent 8,217,033.
[2] Patent prosecution history and related documents.
[3] Patent landscape reports and analysis tools.
[4] Regulatory and legal frameworks governing pharmaceutical patents.

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Drugs Protected by US Patent 8,217,033

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Ucb Inc NAYZILAM midazolam SPRAY;NASAL 211321-001 May 17, 2019 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y ACUTE TREATMENT OF INTERMITTENT, STEREOTYPIC EPISODES OF FREQUENT SEIZURE ACTIVITY (I.E., SEIZURE CLUSTERS, ACUTE REPETITIVE SEIZURES) THAT ARE DISTINCT FROM A PATIENT'S USUAL SEIZURE PATTERN IN PATIENTS WITH EPILEPSY 12 YEARS OF AGE AND OLDER ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 8,217,033

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Iceland8593/2007Jan 19, 2007

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