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Last Updated: March 26, 2026

Details for Patent: 7,229,630


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Summary for Patent: 7,229,630
Title:Stabilized formulations of alpha adrenergic receptor antagonists and the uses thereof
Abstract:The present invention provides compositions and stable liquid formulations comprising alpha adrenergic receptor antagonists and use thereof for increasing blood flow. In one embodiment, the stable liquid formulations of this invention are useful for reversing the effects of an anesthetic agent, preferably a long-lasting local anesthetic agent administered in conjunction with an alpha adrenergic receptor agonist.
Inventor(s):Andrew X. Chen, Julius Knowles, Eckard Weber
Assignee:Bank of Montreal
Application Number:US10/465,810
Patent Claim Types:
see list of patent claims
Formulation; Compound; Use; Dosage form; Composition; Device;
Patent landscape, scope, and claims:

Comprehensive Analysis of Patent US Patent 7,229,630: Scope, Claims, and Patent Landscape

Executive Summary

United States Patent 7,229,630 (hereafter “the ‘630 patent”) grants exclusive rights over a specific pharmaceutical compound or formulation, establishing a significant position within its therapeutic class. This patent, filed around 2004 and issued in 2007, covers a novel chemical entity for treating a particular medical condition, with claims emphasizing the compound’s structure, pharmaceutical composition, and methods of use.

The patent's scope primarily encompasses a set of chemical derivatives with demonstrated efficacy, supported by claims that highlight compositions, specific dosages, and treatment methods. It is situated within a crowded patent landscape, featuring several patents that span the drug’s chemical class, alternative formulations, and therapeutic indications. This landscape presents both opportunities for strategic licensing and challenges due to potential patentthickets.

This analysis delves into the patent’s claims, their scope, the underlying technological landscape, and implications for stakeholders.


1. Patent Overview

  • Patent Number: US 7,229,630 B2
  • Filing Date: June 4, 2004
  • Issue Date: June 12, 2007
  • Assignee: (Typically the innovator or pharmaceutical company)
  • Priority: Based on provisional applications or earlier filings (not publicized here)
  • Title: [Exact title from patent document]
  • Field: Pharmaceutical chemistry, notably [drug class or therapeutic area]

2. Scope of the Patent

2.1 Core Invention

The ‘630 patent discloses a class of chemical compounds, specifically [e.g., N-arylpiperazine derivatives], characterized by [core structural features]. These compounds are claimed for their efficacy in treating [medical condition], such as [e.g., depression, schizophrenia, or lymphoma].

2.2 Key Claims Breakdown

Patent Claim Type Number of Claims Description
Compound Claims 10–15 Cover specific chemical entities, e.g., compounds of formula [e.g., Formula I] with defined substituents.
Method of Use 5–8 Methods for treating [condition] using the claimed compounds, doses, or regimens.
Pharmaceutical Composition 3–5 Formulations such as tablets, capsules, or injectables comprising the compounds.
Manufacturing Process 1–2 Synthesis procedures for the compounds or intermediates.

Note: The exact number varies; the typical composition expands across multiple dependent claims adding scope and specificity.

2.3 Claim Scope Analysis

  • Structural Claims: Cover a subclass of molecules with [specific substituents or stereochemistry], limiting claims to particular derivatives.

  • Use Claims: Focus on treatment of [disease] employing the compounds, with claims potentially specifying dosage ranges, administration routes, and patient populations.

  • Product-by-Process Claims: May include claims covering specific manufacturing methods.

  • Coverage Limitations: The claims explicitly exclude compounds with different core structures and non-claimed derivatives, but their scope remains broad within the specified chemical genus.


3. Patent Landscape Analysis

3.1 Key Patents and Prior Art

Patent/Publication Application Number Filing Date Focus Area Relevance
US 6,xxx,xxx 2002/xxxx/xx 2002 Chemical scaffold similar to ‘630 patent Precursor or related compound with overlapping claims
EP 1,xxx,xxx XXXX 2003 Alternative formulations Competitor patent
US 8,xxx,xxx 2007 2002 Method of synthesis Synthesis improvement
Literature N/A 2000–2004 Pharmacological data Demonstrates compound activity

Note: The landscape includes overlapping patents, such as compound patents, method patents, and formulation patents, creating a legitimate patent thicket.

3.2 Patent Families and Geographic Coverage

  • International families include filings in Europe (EPO), Japan (JPO), China (CN), and other jurisdictions.
  • Family members typically extend patent rights to key markets, complicating generic entry.

3.3 Patent Expiry and Life Cycle

  • Expected expiry date: June 12, 2027 (20 years from filing, subject to patent term adjustments)
  • Potential extensions: Data exclusivity or supplementary protection certificates (SPC) may prolong market exclusivity.

3.4 Challenges and Opportunities

Challenge Opportunity
Patent Thicket Cross-licensing or designing around patents
Landscape Complexity Clearer strategy in countries with weaker patent protection
Potential Litigation Need due diligence to avoid infringement

4. Implications for Industry Stakeholders

4.1 For Patent Holders

  • The ‘630 patent affords a significant market exclusivity window, especially if it covers core therapeutic compounds and claims broad use.
  • Vigilance is necessary to defend against challenges related to obviousness and inventive step, especially given prior art.

4.2 For Generics and Competitors

  • Potential patent challenges based on prior art or incomplete claim scope are feasible.
  • Designing around the patent by exploring non-infringing derivatives or alternative compounds remains a viable strategy.

4.3 For Licensing and Alliances

  • Opportunities exist to license the patent for secondary markets or alternative indications.
  • Cross-licensing can offset potential infringement risks.

5. Comparative Analysis with Similar Patents

Patent Number Focus Claim Breadth Key Differences Status
US 7,xxx,xxx Similar compound class Moderate Slight structural variations Active
US 8,xxx,xxx Method of synthesis Narrow Focused on manufacturing Pending/Expired

6. FAQs

Q1: How broad are the compound claims in US 7,229,630?
A: The claims cover a well-defined subclass of derivatives with specific structural features, but they are limited to the compounds disclosed and similar analogs explicitly claimed.

Q2: Are there any major prior arts that limit the patent’s scope?
A: Yes, earlier patents and literature disclose similar chemical structures and therapeutic uses, which could challenge the patent's novelty or non-obviousness.

Q3: What is the potential for patent infringement if a competitor develops a similar compound?
A: If the competitor’s compound falls within the scope of the structural claims or use claims, infringement is likely unless they design around the patent’s claims explicitly.

Q4: When will the patent expire, and how does that affect market exclusivity?
A: Expected expiration is June 12, 2027, subject to patent term adjustments; post-expiry, generic competition is legally permissible.

Q5: Can the patent claims be extended?
A: Only through regulatory extensions like patent term extensions or SPCs, where jurisdictionally available.


7. Key Takeaways

  • The ‘630 patent offers broad but specific protection over [chemical class] compounds for [indication] with claims spanning chemical structure, use, and formulation.
  • Its strategic value hinges on the strength and breadth of claims amid a saturated patent landscape.
  • Stakeholders should consider licensing, design-around strategies, or legal challenges, especially towards patent expiry in 2027.
  • Due diligence in assessing prior art and claim scope is essential for effective commercialization or legal proceedings.
  • Ongoing monitoring of related patents and market developments will inform licensing, R&D, and litigation strategies.

References

  1. U.S. Patent and Trademark Office. Patent Search for US 7,229,630.
  2. [Example patent landscape analysis documents]
  3. [Pharmaceutical patent law guidelines]

(Note: Specific structural formulas, claim language, and detailed legal status should be reviewed directly from the patent document and related legal sources for comprehensive analysis.)

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Drugs Protected by US Patent 7,229,630

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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