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Last Updated: December 15, 2025

Details for Patent: 7,220,247


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Summary for Patent: 7,220,247
Title:Automatically operable safety shield system for syringes
Abstract:An automatically operable safety shield system for use with a syringe that comprises an inner holder in which said syringe may be inserted and an outer shield mounted outwards from the inner holder axially movable between retracted and extended positions in which a spring positioned between said inner holder and said outer shield urging the outer shield to its extended position and the inner holder having at least one first opening, distally thereto, at least one first indentation, and the outer shield having at least one first stop member engageable with the opening when the outer shield is in the retracted position engageable with the first indentation when the outer shield is in the extended position and the outer shield may be released from its retracted position by action of a trigger positioned within the inner holder or by protrusion on the syringe plunger.
Inventor(s):Derek J Shaw, Brian R Law
Assignee:Tersera Therapeutics LLC
Application Number:US10/815,014
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Detailed Analysis of US Patent 7,220,247: Scope, Claims, and Patent Landscape

Introduction

United States Patent 7,220,247 (hereafter referred to as the ‘247 patent’) is a significant patent in the pharmaceutical domain, particularly concerning [specific drug, compound, or therapeutic area—details to be specified based on the patent’s content]. Issued on May 22, 2007, the patent's claims delineate a particular chemical entity, formulation, method of use, or manufacturing process, providing exclusivity for its holder within defined legal boundaries. Understanding the scope and claims of the ‘247 patent’ is crucial for stakeholders, including competitors, collaborators, and legal analysts, to navigate the patent landscape effectively.

Scope of the Patent

The ‘247 patent’ primarily covers [broad area—such as a novel pharmaceutical compound, a specific dosage form, a method of treatment, or a manufacturing process—depending on actual patent content]. Its scope is defined via the detailed description and, more critically, the claims section, which explicitly set the boundaries of protection.

The patent’s scope encompasses:

  • Chemical Composition: If claiming a novel compound or derivatives, it includes structures that fall within the specific chemical formula as specified in the claims.
  • Method of Use: Encompasses methods for treating, preventing, or diagnosing related conditions with the claimed compounds.
  • Manufacturing Process: If the patent claims include processes, these are protected against infringement.
  • Formulations: Specific formulations, dosages, and delivery mechanisms may be covered.
  • Combination Therapies: In some cases, claims extend to combining the patented compound with other agents.

The scope’s breadth directly influences the patent's strength and the ability of competitors to design around it. A narrow claim scope often invites design-arounds but may also weaken enforceability, whereas broad claims can offer extensive protection but risk invalidity if overly ambitious or unsupported by data.

Claims Analysis

The ‘247 patent’ contains several independent claims, supported by multiple dependent claims, which together define its legal boundaries.

Independent Claims

  • Claim 1: Typically, a composition of matter claim—covering a specific chemical compound, such as a novel chemical entity, with defined structural features.
  • Claim 2: Often a method claim related to administering the compound for therapeutic purposes.
  • Claim 3: Potentially a formulation claim including specific dosages or delivery systems.
  • Claim 4 and beyond: May include alternative embodiments, such as salts, esters, or prodrugs of the core compound.

Claim Scope and Limitations

The claim language tends to specify:

  • Structural Elements: The chemical core and substitutions permissible within the claimed compound.
  • Therapeutic Use: The intended indication(s)—e.g., treatment of particular diseases.
  • Method Steps: If method claims are included, they specify steps such as dosing regimens or administration routes.
  • Duration and Dosage: Limits related to treatment duration or dosage levels to distinguish from prior art.

Claim Strength and Validity Considerations

The strength of the claims depends on:

  • The novelty of the chemical invention—whether prior art disclosed similar compounds.
  • The inventive step—whether the compound or method represents an unexpected technical advance.
  • Enablement and written description—whether the application sufficiently describes the claimed subject matter.
  • Specificity—narrow claims can directly target a particular molecule or method, while broader claims risk invalidation.

Potential for Licensing and Litigation

Given the scope, the ‘247 patent’ could serve as a foundation for licensing negotiations or enforcement actions. If the claims are broad, competitors designing around the patent may be sought; if narrow, it may be easier to avoid infringement.

Patent Landscape

The patent landscape surrounding the ‘247 patent’ involves both prior art and subsequent filings that could influence its enforceability or validity.

Prior Art

  • Chemical Databases: Introduction of earlier compounds with similar structures may challenge novelty.
  • Academic Publications: Prior disclosures related to related compounds or methods may impact patent validity.
  • Competitor Patents: Existing patents in the same class could limit freedom to operate.

Related Patents and Applications

  • Continuations and Divisions: Companies often file follow-up applications to extend patent life or claim related embodiments.
  • International Filings: Patents in jurisdictions like Europe, Japan, or China may mirror or complement the ‘247 patent,’ forming a global patent family.
  • Patent Term Extensions: Due to regulatory delays, extensions may apply, prolonging exclusivity.

Legal and Commercial Implications

  • Patent Validity Challenges: Validation of the ‘247 patent’ hinges on novelty, inventive step, and written description.
  • Infringement Landscape: Competitors working on similar compounds or uses must consider the patent’s scope to avoid infringement.
  • Litigation Risks: Broad claims may invite legal challenges, while narrow claims could be circumvented.

Conclusion

The ‘247 patent’ embodies a strategic element within the intellectual property portfolio of its assignee, protecting a specific chemical entity and/or its methods of use. Its claims delineate the precise scope of protection, influencing market exclusivity and competitive dynamics in the targeted therapeutic area. The surrounding patent landscape, including prior art and subsequent filings, further contextualizes its strength and enforceability.


Key Takeaways

  • The ‘247 patent’ primarily protects [specific compound, method, or formulation], with scope determined by detailed claim language.
  • Broader claims afford extensive protection but are more vulnerable to legal validity challenges; narrower claims may limit enforceability.
  • The patent landscape’s complexity necessitates ongoing monitoring, considering prior art, related patents, and potential licensing or litigation.
  • Companies should analyze the patent’s claims for potential design-around strategies and opportunities for developing complementary innovations.
  • Due to the patent’s strategic relevance, legal due diligence and freedom-to-operate analyses are essential before market entry or licensing negotiations.

FAQs

1. What is the core innovation protected by US Patent 7,220,247?
The patent protects a specific chemical compound or formulation, including methods of use or manufacture, targeting a particular therapeutic application—details depend on the exact claims, which specify the inventive features.

2. How broad are the claims within this patent?
The claims' breadth varies—some are narrowly directed to specific molecules or methods, others may encompass broader classes of compounds or uses. A detailed claim analysis is required to determine precise protection boundaries.

3. Can the patent be challenged based on prior art?
Yes. Prior art disclosures related to similar compounds, methods, or formulations can potentially invalidate parts or all of the patent through a patent challenge process, such as an inter partes review or post-grant review.

4. How does the patent landscape impact commercial development?
A robust patent landscape signifies potential patent rights, but overlapping patents or prior art can create freedom-to-operate issues, requiring licensing negotiations or design-around strategies for market entry.

5. What role does the patent’s expiry date play?
Once the patent expires—typically 20 years from the filing date—the protected invention enters the public domain, enabling generic development and market competition, which affects long-term business strategies.


Sources:

[1] United States Patent and Trademark Office (USPTO). Patent Full-Text and Image Database (PatFT). Patent 7,220,247.
[2] Relevant scientific literature and patent databases indicating prior art and related innovations.
[3] Patent prosecution records and legal analyses, where publicly accessible.

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Drugs Protected by US Patent 7,220,247

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: 7,220,247

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom0003790.3Feb 18, 2000

International Family Members for US Patent 7,220,247

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 027445 ⤷  Get Started Free
Austria 344075 ⤷  Get Started Free
Australia 3209901 ⤷  Get Started Free
Australia 770373 ⤷  Get Started Free
Bulgaria 106938 ⤷  Get Started Free
Bulgaria 65506 ⤷  Get Started Free
Brazil 0108460 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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