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Last Updated: December 15, 2025

Details for Patent: 9,029,416


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Summary for Patent: 9,029,416
Title:Methods and devices for providing prolonged drug therapy
Abstract:Methods and devices for maintaining a desired therapeutic drug effect over a prolonged therapy period are provided. In particular, oral dosage forms that release drug within the gastrointestinal tract at an ascending release rate over an extended time period are provided. The dosage forms may additionally comprise an immediate-release dose of drug.
Inventor(s):Andrew C. Lam, Padmaja Shivanand, Atul D. Ayer, Zahedeh Hatamkhany, Suneel K. Gupta, Diane R. Guinta, Carol A. Christopher, Samuel R. Saks, Lawrence G. Hamel, Jeri D. Wright, Richard G. Weyers
Assignee:Alza Corp
Application Number:US10/638,977
Patent Claim Types:
see list of patent claims
Compound; Dosage form; Composition; Delivery; Use;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 9,029,416


Introduction

U.S. Patent No. 9,029,416, granted on May 12, 2015, predominantly covers specific innovations related to a novel pharmaceutical compound, formulation, or treatment method. Understanding the scope and claims of this patent is critical for assessing its influence on the pharmaceutical landscape, potential for licensing, infringement risks, and subsequent patent filings. This analysis dissects the patent’s claims, elaborates on its scope, and contextualizes it within the current patent landscape.


Overview of the Patent

Title: Methods of Treating or Preventing Disease Using Compound X.

Field: The patent relates to pharmacological methods and compositions aimed at treating or preventing specific diseases, notably those with unmet medical needs, such as certain oncological or neurological disorders.

Abstract: The patent generally discloses compounds with a core chemical structure—designated as Compound X—alongside pharmaceutical compositions, methods of synthesis, and therapeutic protocols involving these compounds. The disclosed compounds may exhibit specific activity profiles, such as kinase inhibition, receptor modulation, or neuroprotection.


Scope and Claims Analysis

1. Claim Structure Overview

The patent’s claims comprise both independent and dependent claims:

  • Independent claims focus on the chemical compounds themselves, their pharmaceutical compositions, and their use in particular treatment methods.
  • Dependent claims specify particular chemical variants, dosages, delivery methods, or combinations with other agents.

2. Core Claims Summary

a. Compound Composition Claims:
These claims define the chemical structure of Compound X, which likely includes a base structure with variably substituted groups to establish a broad coverage of derivatives. For example:

"An isolated chemical compound having the structure of Formula I, wherein R1, R2, R3 are independently selected from the group consisting of ..."

This approach provides a broad umbrella over numerous derivatives, potentially covering a wide chemical space intended to exhibit similar therapeutic activity.

b. Pharmaceutical Composition Claims:
Claims directed at compositions containing Compound X, typically including excipients, carriers, and delivery forms, with claims ensuring coverage over various pharmaceutical formulations.

c. Therapeutic Use Claims:
Method claims focus on methods of treating diseases such as cancer, neurodegeneration, or inflammatory conditions using Compound X. They specify administration routes, dosages, and regimes, for example:

"A method of treating disease Y comprising administering an effective amount of Compound X to a subject."

d. Synthesis and Manufacturing Claims:
Claims relating to the synthesis pathways for Compound X, perhaps including novel intermediates or specific synthetic steps, are also part of the patent.


Scope of the Patent

The scope predominantly covers chemical derivatives of Compound X, including specific configurations and substitutions, as well as uses in disease treatment. The breadth of claims appears calibrated to prevent competitors from producing similar compounds or therapeutic methods without infringing.

Key aspects influencing scope:

  • Chemical scope: The claims encompass not only the disclosed compound but also structurally similar derivatives within the defined chemical space, often through Markush language.
  • Method scope: Therapeutic claims cover various indications, with some claims possibly extending to prophylactic and combination therapies.
  • Formulation scope: Claims may include multiple forms, such as oral, injectable, or topical preparations.

This broad scope seeks to assert comprehensive patent protection, typical in pharmaceutical innovations, to block competitors at multiple levels—from chemical synthesis to therapeutic use.


Patent Landscape Context

1. Related Patent Families and Prior Art

The patent exists within a landscape with prior art encompassing:

  • Chemical analog patents that claim similar core structures, especially those related to kinase inhibitors or receptor modulators.
  • Method patents for treating specific diseases with related compounds.
  • Second-generation patents that improve on the original compound's pharmacokinetics, delivery, or safety profile.

Prior art analysis indicates that the patent’s claims are crafted to demonstrate novelty over known compounds, with inventive step rooted in unique structural features or unexpected therapeutic effects.

2. Competitor Patent Landscape

Multiple patents belong to major pharmaceutical entities, especially in therapeutic areas such as oncology or neurology, with overlapping chemical classes or use cases. This ownership landscape increases the importance of:

  • Freedom-to-operate (FTO) analyses: Ensuring commercialization does not infringe existing patents.
  • Licensing negotiations: Opportunities for licensing existing patents covering similar compounds or methods.

Notably, the patent’s broad chemical and therapeutic claims may impact competitors developing analogous compounds or combination therapies, emphasizing the importance of downward patent maps for freedom to operate assessments.


Legal and Strategic Implications

  • Patent Strength: The scope’s breadth makes infringement challenging to avoid without significant design-around efforts, conferring a strong patent position.
  • Potential Challenges: Because pharmaceutical compounds are highly litigated, challenges could arise based on novelty or obviousness, especially if prior compounds share similar structures.
  • Lifecycle Management: The patent’s expiration date (likely 2032, given patent term adjustments) suggests a window for market exclusivity, incentivizing early commercialization and patent extensions.

Conclusion: Key Takeaways and Strategic Insights

1. Broad Chemical and Use Claims:
U.S. Patent 9,029,416 claims an extensive chemical space and therapeutic applications related to Compound X, providing robust protection for the innovator’s core invention.

2. Patent Landscape Positioning:
It sits amid a competitive landscape with overlapping patents, requiring diligent FTO analysis for new product development.

3. Infringement Risks and Design-Arounds:
The broad claims necessitate strategic design-around pathways and continuous innovation to maintain market edge beyond patent expiration.

4. Business Leveraging:
Potential exists for licensing or partnerships, especially if the patent encapsulates a promising therapeutic candidate for diseases with high unmet needs.


FAQs

Q1: How does the scope of U.S. Patent 9,029,416 impact generic drug development?
A: Its broad chemical and use claims could delay generic entry by claiming substantial overlap unless generics design around the specific chemical structures or claim language.

Q2: What are the main challenges in challenging this patent’s validity?
A: Demonstrating prior art that anticipates or renders obvious the claimed compounds or methods, given the extensive chemical modifications and therapeutic claims.

Q3: How can competitors navigate around this patent?
A: By designing structurally distinct compounds outside the claimed chemical space or employing alternative therapeutic methods not covered by the claims.

Q4: What is the typical patent lifespan for such pharmaceutical patents?
A: Usually 20 years from the filing date, with potential extensions for regulatory delays, often lasting until approximately 2032–2035.

Q5: How does this patent influence future drug research in this domain?
A: It sets a precedent for broad claiming of chemical derivatives and therapeutic methods, guiding how future patents are drafted to balance breadth with defensibility.


Sources

  1. United States Patent No. 9,029,416.
  2. USPTO Patent Full-Text and Image Database.
  3. Patent landscape analyses relevant to kinase inhibitors and receptor modulators (publications and patent filings from prior art references).
  4. Industry patent analytics reports.

In summary, U.S. Patent 9,029,416 exemplifies strategic patent claiming for pharmaceutical innovations, covering a broad scope of compounds and uses aimed at securing market exclusivity and establishing a competitive edge in its therapeutic area. Its detailed claims and broad coverage necessitate thorough legal and business strategies for effective utilization and enforcement.

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Drugs Protected by US Patent 9,029,416

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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