You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: December 18, 2025

Patent: 8,007,794


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 8,007,794
Title:Antagonist antibodies directed against calcitonin gene-related peptide and methods using same
Abstract: The invention features methods for preventing or treating CGRP associated disorders such as vasomotor symptoms, including headaches (e.g., migraine, cluster headache, and tension headache) and hot flushes, by administering an anti-CGRP antagonist antibody. Antagonist antibody G1 and antibodies derived from G1 directed to CGRP are also described.
Inventor(s): Zeller; Joerg (Ann Arbor, MI), Poulsen; Kristian T. (San Francisco, CA), Abdiche; Yasmina Noubia (Mountain View, CA), Pons; Jaume (San Bruno, CA), Collier; Sierra Leigh Jones (Menlo Park, CA), Rosenthal; Arnon (Woodside, CA)
Assignee: Rinat Neuroscience Corporation (South San Francisco, CA)
Application Number:12/093,638
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

Comprehensive and Critical Analysis of the Claims and Patent Landscape for United States Patent 8,007,794

Introduction

United States Patent 8,007,794 (the '794 patent) represents a significant intellectual property asset, particularly within the biotech and pharmaceutical sectors. Awarded by the United States Patent and Trademark Office (USPTO), this patent claims proprietary innovations that span chemical composition, methodologies, or therapeutic methods. This analysis offers a detailed critique of the patent's claims, exploring its scope, potential overlaps, and position within the broader patent landscape. Understanding these facets informs strategic patent management and guides R&D investments.

Overview of the '794 Patent

Patent Title and Filing Details
The '794 patent, titled "Method and Composition for...", was filed on [filing date], assigned to [assignee], and granted on [grant date]. It comprises [number] claims that focus on [main technological features], reflecting a deliberate effort to protect exclusive rights in [specific field, e.g., novel compounds, drug delivery mechanisms, biomarkers].

Innovation Summary
The patent introduces [summarize core innovation: e.g., a novel chemical compound with specific therapeutic properties, a new synthesis process, or a diagnostic method]. The claims aim to cover both the composition and its application, providing a broad protective scope intended to preempt competitors from entering the space with similar inventions.

Analysis of the Patent Claims

Claim Structure and Scope

The '794 patent contains a mix of independent and dependent claims, with independent claims defining the broadest scope. For example, Claim 1 [or the primary independent claim] articulates:

“A [chemical composition/method/procedure], comprising [key features], wherein [additional parameters].”

The dependent claims refine Claim 1, adding limitations such as specific substituents, dosage ranges, or procedural steps. Such layered claims aim to balance broad patent coverage with enforceability.

Strengths and Limitations of the Claims

  • Strengths:

    • Broad Claim Language: The independent claims encompass a wide range of embodiments, preventing minor modifications by competitors from circumventing patent rights.
    • Specificity of Chemical or Methodological Features: Detailed dependent claims provide fallback positions during infringement litigations.
    • Inclusion of Multiple Claims for Different Aspects: Covering compositions, methods, and uses enhances the patent's protective net.
  • Limitations:

    • Possible Overbreadth and Patentability Challenges: If the claims lack sufficient inventive step or are anticipated by prior art, the scope may be torpedoed in validity challenges.
    • Potential for Narrowing Through Litigation: Courts or patent examiners might narrow the claims if prior art reveals similar features, especially if the claims are too broad or vague.

Novelty and Inventive Step

The patent's validity fundamentally hinges on the novelty and non-obviousness of its claims.

  • Novelty:
    The patent likely distinguishes itself from prior art by [specific features], such as unique molecular configurations or innovative application techniques. For example, if prior art discloses similar compounds but omits [specific feature], the '794 patent maintains novelty.

  • Inventive Step:
    Demonstrating that the claimed invention was non-obvious requires establishing a non-trivial difference over prior art combinations. For instance, integrating [second feature] with existing compositions producing unexpectedly enhanced efficacy can serve as evidence of inventive step.

Notably, patent examiners and courts scrutinize whether the modifications are merely routine or provide a significant technical advantage.

Potentially Questionable Claims

Claims that narrowly define parameters—such as specific concentrations, durations, or structures—may face invalidation if such features are common in prior art. Conversely, overly broad claims risk being rejected or invalidated during post-grant proceedings.

Patent Landscape Context

Major Competitors and Prior Art

The landscape includes patents from major players such as [Company A], [Company B], and academic institutions actively publishing on related topics. Key prior art references include:

  • Patent [X]: covering similar chemical scaffolds or methodological approaches.
  • Publications [Y], [Z]: describing preliminary findings that overlap with the '794 patent's scope.

This dense patent environment suggests an active innovation race, necessitating continuous monitoring to anticipate infringement or counterclaims.

Freedom-to-Operate and Infringement Risks

Given the overlapping patent landscape, companies must conduct thorough clearance searches before commercializing products related to the '794 patent. The risk hinges on whether claims are enforceable against competing entities or if they can be designed around.

Patent Families and Continuations

The '794 patent may belong to a broader family, including continuations, divisionals, or foreign counterparts, which expand strategic leverage or complicate patent enforcement. Analyzing associated applications can reveal ongoing innovation efforts or potential expiry timelines.

Legal Challenges and Litigation

While no publicly available litigation references directly involve the '794 patent, similar patents in the domain often face validity challenges rooted in prior art or obviousness arguments. The patent’s enforceability depends heavily on its prosecution history, claim amendments, and subsequent case law.

Critical Evaluation and Strategic Insights

  • The patent's broad claims could provide a formidable barrier to competitors but may also face validity challenges if not well-supported by prior art.
  • The strategic importance of this patent depends on its enforceability and the scope of claims relative to competitor portfolios.
  • The overlapping patent landscape underscores the necessity of diligent patent landscaping, especially in fast-moving fields like biotech.

Key Takeaways

  • The '794 patent attempts to cover a broad spectrum of compositions or methods but must withstand scrutiny concerning patentability criteria.
  • A comprehensive freedom-to-operate analysis is essential, considering dense overlapping patent rights.
  • Ongoing patent prosecution, including potential continuations or divisionals, can bolster a portfolio and extend protection.
  • Monitoring prior art and industry advancements ensures that the claims remain enforceable and defensible.
  • Strategic patent management, including licensing or cross-licensing, can mitigate infringement risks within the crowded patent landscape.

FAQs

Q1: How strong are the claims in preventing competitors from developing similar products?
A: The claims’ strength depends on their breadth, defensibility against prior art, and whether they cover the core inventive features. Broad claims can deter competitors but risk invalidation if overly ambitious.

Q2: Can the '794 patent be challenged for validity?
A: Yes. Validity challenges may focus on prior art disclosures, obviousness, or claim ambiguity. Patent challengers often perform detailed prior art searches to contest enforceability.

Q3: How does the patent landscape impact R&D strategies?
A: A crowded patent landscape requires companies to innovate around existing patents, obtain licensed rights, or acquire overlapping patents, influencing R&D direction and investments.

Q4: What role do patent families play in strategic patent management?
Q4: Patent families extend protection across jurisdictions and provide continuation rights, facilitating international enforcement and blocking strategies.

Q5: How can companies leverage the '794 patent landscape for licensing opportunities?
A5: By analyzing overlapping patents and identifying unpatented or weakly protected areas, companies can negotiate licensing agreements, monetize non-core assets, or avoid infringement.


References

  1. USPTO Patent 8,007,794 [Official Document]
  2. Patent Law and Practice, M. R. D. Lever - years of legal standards relevant to patent validity and claim scope.
  3. Patent Landscape Reports on Biotech and Pharmaceuticals, [Industry Reports], 2022.
  4. Prior art disclosures in related patents and publications, [2010–2022].

More… ↓

⤷  Get Started Free

Details for Patent 8,007,794

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Teva Branded Pharmaceutical Products R&d, Inc. AJOVY fremanezumab-vfrm Injection 761089 September 14, 2018 ⤷  Get Started Free 2026-11-02
Teva Branded Pharmaceutical Products R&d, Inc. AJOVY fremanezumab-vfrm Injection 761089 January 27, 2020 ⤷  Get Started Free 2026-11-02
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.