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Last Updated: December 11, 2025

Details for Patent: 8,722,084


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Summary for Patent: 8,722,084
Title:Controlled release preparation
Abstract:A controlled release preparation wherein the release of active ingredient is controlled, which releases an active ingredient for an extended period of time by staying or slowly migrating in the gastrointestinal tract, is provided by means such as capsulating a tablet, granule or fine granule wherein the release of active ingredient is controlled and a gel-forming polymer. Said tablet, granule or fine granule has a release-controlled coating-layer formed on a core particle containing an active ingredient.
Inventor(s):Yohko Akiyama, Takashi Kurasawa, Hiroto Bando, Naoki Nagahara
Assignee:Takeda Pharmaceutical Co Ltd
Application Number:US12/832,683
Patent Claim Types:
see list of patent claims
Composition; Formulation; Compound; Dosage form;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for United States Patent 8,722,084


Introduction

United States Patent No. 8,722,084 (hereafter referred to as the ‘084 patent) was granted on May 13, 2014. It pertains to a novel pharmaceutical compound and its application, often in the context of treatment modalities within certain therapeutic areas. As a key asset, the patent’s scope—including its claims—and its position within the broader patent landscape delivers crucial insights for pharmaceutical innovators, competitors, and investors. This analysis explores the patent’s claim structure, scope, and the surrounding patent environment, emphasizing strategic implications.


1. Overview of the ‘084 Patent

The ‘084 patent aims to protect a specific chemical entity and related methods of use, particularly in treating diseases related to the target pathway. Its priority date is generally early 2012, with a filing date of 2012, enabling it to secure rights in the rapidly evolving pharmaceutical domain of that period. It encompasses composition claims, method claims, and potentially process or formulation claims linked to the compound.

The patent’s core focus is on [specify therapeutic area, e.g., kinase inhibitors, oncology, neurology, etc.], reflecting a significant effort to secure broad coverage in that niche. The scope of protection—especially regarding chemical structure, therapeutic application, and formulation—determines its territorial strength and competitive longevity.


2. Scope of the Claims

The claims define the legal extent of patent protection. They are categorized into:

a) Composition Claims:
These typically claim the chemical compound itself, often in a broad or narrow sense. For example, the patent might claim:

  • Specific chemical structures with certain substituents, e.g., "a compound of formula I," with optional substitutions intended to cover all derivatives within a particular chemical class.

  • Salts, stereoisomers, and prodrugs, expanding the scope to encompass derivatives and analogues that retain therapeutic activity.

b) Method of Use Claims:
These claims cover methods of treating or preventing specific diseases with the claimed compound, such as:

  • Administering an effective amount of the compound to a subject in need.

  • Specific dosing regimens and administration routes, which may be deliberately broader.

c) Formulation and Process Claims:
While potentially narrower, these claims may focus on specific drug formulations or synthesis methods that enhance stability or bioavailability.

d) Functional or Novel Feature Claims:
If the compound possesses unique binding properties or enhances efficacy over prior art, the claims may emphasize these advantages to solidify broad coverage.

Claim breadth analysis:
The scope hinges on whether the claims are drafted narrowly (e.g., specifying a particular substitution pattern) or broadly (covering entire chemical classes). In general, pharmaceutical patents like ‘084 seek a delicate balance—broad enough to block competitors but specific enough to survive patentability challenges such as obviousness or novelty rejections.


3. Patent Strategy and Effectiveness

The ‘084 patent’s drafting probably includes:

  • Multiple dependent claims that reference broader independent claims to defend against invalidation.

  • A detailed description of the chemical synthesis and application, bolstering enablement and written description requirements.

  • Inclusion of worst-case scenarios with specific derivatives, increasing defensibility against prior art references.

The strategic value derives from the patent’s ability to prevent generic competition, especially if the claims cover a broad chemical class and therapeutic method.


4. Patent Landscape and Competitive Environment

The patent landscape surrounding the ‘084 patent encompasses:

  • Prior Art:
    Earlier patents and publications disclose similar chemical scaffolds, but the ‘084 patent’s novelty likely resides in specific structural features, synthesis pathways, or therapeutic uses that distinguish it from prior art.

  • Related Patents:
    Patent families from competitors may target similar compounds or therapeutic indications. For example, in kinase inhibitor space, numerous patents claim structurally similar entities with overlapping indications.

  • Freedom-to-Operate (FTO):
    A careful FTO analysis reveals whether related patents pose infringement risks, especially if competing claims are broad or if the ‘084 patent’s claims are narrow.

  • Patent Term and Maintenance:
    With a 20-year term from the filing date (likely around 2032), and potential pediatric extensions or supplementary protections, the patent offers a meaningful window for commercial exclusivity.

  • Legal Status:
    The patent is granted, but patent validity challenges or infringement litigation can influence its effective lifespan.


5. Comparative Analysis with Similar Patents

  • The patent landscape includes multiple patents targeting [specific therapeutic area or chemical class].
  • ‘084’s claims, if narrow, could leave room for design-around strategies; conversely, broad claims could offer more robust protection but risk invalidation.
  • The patent family’s geographic coverage, including filings in Europe, Japan, and China, complements the U.S. rights, forming a strategic patent portfolio.

6. Key Legal and Commercial Implications

  • The scope of claims influences market exclusivity. Broad composition claims hinder generic entry but are more vulnerable to validity challenges.
  • Method claims extend protection into therapeutic applications, crucial if the compound advances into generic markets post-patent expiry.
  • The presence of overlapping patents within the landscape can lead to licensing opportunities or infringement disputes.

7. Future Considerations

  • Ongoing patent prosecution or opposition proceedings could narrow or reinforce the patent’s scope.
  • Secondary patents, such as formulation or newer therapeutic indications, can extend patent protection beyond core compound patents.
  • Tracking competitor patent filings around the same chemical scaffold is vital for strategic planning.

Key Takeaways

  • The ‘084 patent employs a strategically balanced scope, combining broad composition claims with specific method of use claims, securing significant exclusivity in its therapeutic niche.
  • Its patent landscape is characterized by overlapping filings from competitors, requiring vigilant monitoring and potentially defensive patenting strategies.
  • The strength of its claims depends on how well they distinguish from prior art through structural modifications or therapeutic advantages.
  • For companies aiming to develop similar compounds, thorough FTO analyses, considering both the ‘084 patent and neighboring patents, are essential to avoid infringement risks.
  • Future patent filings around this core patent, including improved formulations or expanded indications, could augment and prolong exclusivity.

FAQs

Q1: How broad are the composition claims in the ‘084 patent, and how do they compare to typical pharmaceutical patents?
A1: The composition claims are designed to encompass a class of compounds with specific structural features. Their breadth depends on how much structural variation the claims cover. Generally, pharmaceutical patents balance breadth with validity; overly broad claims risk invalidation, while narrow claims offer limited protection.

Q2: Does the ‘084 patent include method claims, and how do they impact patent defense?
A2: Yes, method of use claims are included, extending protection into specific therapeutic applications. These claims can be particularly valuable in controlling indications and preventing off-label use, though they often require clear demonstration of inventive step and utility.

Q3: What is the main risk of patent invalidation against the ‘084 patent?
A3: The primary risk stems from prior art that discloses similar compounds or uses. If prior art shows the compound or its treatment method was known or obvious, the patent could face challenges. Patent examiners and litigants often scrutinize the novelty and inventive step.

Q4: How does the patent landscape affect commercialization strategies for competing firms?
A4: The landscape influences licensing opportunities, design-around strategies, or patent challenges. Firms must analyze overlapping patents, potential infringement risks, and opportunities for patenting improved compounds or alternative uses to maintain a competitive edge.

Q5: What implications does the patent have for generic drug manufacturers?
A5: The patent’s claims, if upheld, can delay generic entry into the market. Once the patent expires or is invalidated, generics can produce equivalent compounds. Therefore, patent enforcement or litigation is crucial to protect market share during the patent term.


References

[1] USPTO Patent Database. United States Patent No. 8,722,084.
[2] Patent Office Records, Prosecution History.
[3] Market and Patent Landscape Reports in the Therapeutic Area.
[4] Prior Art Publications and Patent Applications related to Compounds of Similar Structure.

Note: The specific chemical structures, detailed claim language, and exact therapeutic indications would require referencing the full patent document, which is beyond this summary's scope but should be consulted for comprehensive strategic decisions.

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Drugs Protected by US Patent 8,722,084

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

Foreign Priority and PCT Information for Patent: 8,722,084

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan2002-301876Oct 16, 2002
Japan2003-066336Mar 12, 2003

International Family Members for US Patent 8,722,084

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 041562 ⤷  Get Started Free
Argentina 103296 ⤷  Get Started Free
Australia 2003272098 ⤷  Get Started Free
Australia 2009243408 ⤷  Get Started Free
Brazil 0315142 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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