Details for Patent: RE36617

Summary for Patent: RE36617

Title:	(Substituted aralkyl) heterocyclic compounds
Abstract:	A (substituted-aralkyl)heterocyclic compound of the formula I ##STR1## wherein R.sup.1 is an azido, carbamoyl, cyano, formyl, hydroxy or nitro radical, a 1-6C 1-hydroxyalkyl, alkoxy, alkylcarbamoyl, alkylthio, alkylsulphinyl or alkylsulphonyl radical, a 2-cyanoethyl radical, optionally bearing one to four 1-6C alkyl substituents, or a 2-6C alkanoyl, halogenoalkanoyl, alkanoyloxy, alkanoylamino, dialkylcarbamoyl or alkoxycarbonyl radical; R.sup.2 and R.sup.3, which may be the same or different, are each a hydrogen atom, a 1-6C alkyl, dueterioalkyl or halogenoalkyl radical, or a phenyl or phenyl(1-6C alkyl) radical, in each of which the phenyl may optionally bear one or more substituents; or R.sup.2 and R.sup.3, together with the carbon atom to which they are attached, may form a 3- to 6-membered ring; or R.sup.1 R.sup.2 R.sup.3 C- is a 1,1-dicyanoethyl or trifluoromethylsulphonyl radical; R.sup.4 is a hydrogen or halogen atom, a cyano or nitro radical or a 1-6C alkyl or halogenoalkyl radical; R.sup.5 has any of the values defined above for the group R.sup.1 R.sup.2 R.sup.3 C but is not necessarily the same as R.sup.1 R.sup.2 R.sup.3 C, or has any of the values defined above for R.sup.4 but is not necesarily the same as R.sup.4, or is a carbamoyl, 1-pyrrolidinyl-carbonyl, piperidinocarbonyl, morpholinocarbonyl or nitro radical, a 1-6C alkoxy or halogenoalkoxy radical or a 2-6C alkanoyl or alkoxy-carbonyl radical; A is a methylene or ethylene radical optionally bearing one or more substituents selected from deuterium and halogen atoms, carbamoyl, cyano and hydroxy radicals, 1-6C alkyl and alkoxy radicals, and 2-6C alkanoyloxy radicals provided that when A is linked to R.sup.6 through a nitrogen atom thereof, it may not bear a hydroxy, alkoxy or alkanoyloxy substituent on the carbon atom adjacent to such nitrogen atoms; and R.sup.6 is a 1H-1,2,4-triazol-1-yl, 4H-1,2,4-triazol-4-yl, 1H-imidazol-1-yl, 5-cyano-1H-imidazol-1-yl, 3-pyridyl or 5-pyrimidinyl radical, or a 1H-imidazol-1-yl radical, bearing at the 5-position thereof a 1-6C alkyl substituent which is itself optionally substituted by one or more carbamoyl, cyano, hydroxy or 2-6C alkoxycarbonyl radicals; and provided that when R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are hydrogen, A is a methylene radical and R.sup.6 is a 3-pyridyl radical, R.sup.1 is not a cyano, hydroxy or hydroxymethyl radical, and when R.sup.1 is a hydroxy radical, R.sup.3, R.sup.4 and R.sup.5 are hydrogen, A is a methylene radical and R.sup.6 is 3-pyridyl, R.sup.2 is not a methyl or a 2-chloro-1-methylethyl radical, and provided that when R.sup.1 is a methoxycarbonyl radical, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are hydrogen and A is a methylene radical, R.sub.1 is not a 1H-imidazol-1-yl radical; and the pharmaceutically acceptable acid addition salts thereof.
Inventor(s):	Edwards; Philip N. (Bramhall, GB), Large; Michael S. (Stoke-on-Trent, GB)
Assignee:	Zeneca Limited (London, GB)
Application Number:	08/627,311
Patent Claim Types: see list of patent claims	Compound; Composition; Use;

Analyzing the Scope and Claims of United States Patent RE36617: A Comprehensive Guide

Introduction

Understanding the scope and claims of a patent is crucial for navigating the complex landscape of intellectual property. This article delves into the details of United States Patent RE36617, exploring its claims, scope, and the broader patent landscape it inhabits.

What is United States Patent RE36617?

United States Patent RE36617, titled "(substituted Aralkyl) Heterocyclic Compounds," is a reissue patent that involves specific chemical compounds. To analyze this patent, it is essential to understand the context of reissue patents and the nature of the inventions they cover.

Reissue Patents: An Overview

Reissue patents are granted when there is an error in the original patent that needs to be corrected. This can include errors in the specification, drawings, or claims of the original patent. The reissue process allows the patent holder to correct these errors and potentially broaden or narrow the scope of the patent claims[5].

Claims Analysis

Understanding Patent Claims

Patent claims are the most critical part of any patent application. They define the scope of the invention and what is protected by the patent. For RE36617, the claims would specify the exact chemical compounds and their uses that are protected[3].

Claim Structure

The claims in RE36617 would typically follow a hierarchical structure, starting with independent claims that broadly define the invention, followed by dependent claims that narrow down the scope. Each claim would be carefully crafted to ensure that it is novel, non-obvious, and useful.

Claim Coverage Matrix

To analyze the claims of RE36617 effectively, a Claim Coverage Matrix can be used. This matrix categorizes the patents and claims by their scope concepts, allowing for a comprehensive understanding of which claims protect specific aspects of the invention. This tool is particularly useful for identifying gaps or opportunities in the patent coverage[3].

Scope of the Invention

Chemical Compounds

The patent RE36617 deals with specific (substituted Aralkyl) heterocyclic compounds. These compounds are defined by their chemical structure and any specific substitutions or modifications. The scope of the invention includes the synthesis, properties, and potential applications of these compounds.

Applications and Uses

Understanding the applications and uses of the compounds covered by RE36617 is vital. This could include pharmaceutical uses, industrial applications, or other areas where these compounds might be valuable. The scope would also define any limitations or exclusions related to these uses.

Patent Landscape Analysis

Tracking Patents by Claims and Scope Concepts

To analyze the patent landscape surrounding RE36617, it is necessary to track patents by their claims and scope concepts. This involves categorizing patents not just by their individual claims but also by broader scope concepts that link similar patents. This approach helps in identifying overlapping patents, gaps in coverage, and potential future directions[3].

Claim Charts and Technical Review

Using tools like ClaimScape® software, claim charts can be generated to review the patent coverage. These charts are interactive and can be reviewed by technical experts to determine whether a particular scope concept applies to a target product or method. This helps in identifying areas where there may be gaps in the current coverage and highlights future design opportunities[3].

Legal and Regulatory Considerations

Patent Examination Process

The patent examination process for RE36617 would have involved several stages, including initial review, potential continuations, and final allowance. Understanding the allowance rates and the types of continuations (such as Requests for Continued Examination or continuations-in-part) can provide insights into the complexity of the examination process[4].

Public Comments and Stakeholder Input

For any significant changes or reissues, public comments and stakeholder input are crucial. For instance, the Administrative Conference of the United States (ACUS) has engaged in studies to gather input from a wide range of stakeholders, including legal practitioners and academic experts, to ensure that all aspects of patent proceedings are considered[2].

Economic and Strategic Implications

Valuation of Patent Claims

The value of the patent claims in RE36617 can be categorized into high, medium, or low value based on their current and potential future impact on the company. High-value claims are those that are critical to current products or services, while medium-value claims indicate potential future directions. Low-value claims might not be worth maintaining[3].

Competitive Landscape

Analyzing the competitive landscape involves identifying other patents and players in the field. This helps in understanding potential threats, opportunities for collaboration, and areas for innovation. The patent landscape analysis can also reveal trends and future directions in the industry.

Case Studies and Examples

Real-World Applications

To illustrate the significance of RE36617, consider real-world applications of similar chemical compounds. For example, if these compounds have pharmaceutical applications, understanding their efficacy, safety, and market demand can provide valuable insights into the patent's scope and value.

Industry Expert Insights

Industry experts, such as those involved in the ACUS consultative group, can offer valuable insights into the practical and legal implications of patents like RE36617. Their expertise can help in navigating the complexities of patent law and strategy[2].

Key Takeaways

• Claims Analysis: Understanding the claims of RE36617 is crucial for defining the scope of the invention.
• Scope of the Invention: The patent covers specific (substituted Aralkyl) heterocyclic compounds and their applications.
• Patent Landscape: Analyzing the patent landscape involves tracking patents by claims and scope concepts to identify gaps and opportunities.
• Legal and Regulatory Considerations: The patent examination process and public comments are important for ensuring the validity and scope of the patent.
• Economic and Strategic Implications: Valuing patent claims and understanding the competitive landscape are essential for strategic decision-making.

FAQs

What is a reissue patent?

A reissue patent is granted when there is an error in the original patent that needs to be corrected. This can include errors in the specification, drawings, or claims of the original patent.

How are patent claims structured?

Patent claims typically follow a hierarchical structure, starting with independent claims that broadly define the invention, followed by dependent claims that narrow down the scope.

What is a Claim Coverage Matrix?

A Claim Coverage Matrix categorizes patents and claims by their scope concepts, allowing for a comprehensive understanding of which claims protect specific aspects of the invention.

Why is analyzing the patent landscape important?

Analyzing the patent landscape helps in identifying overlapping patents, gaps in coverage, and potential future directions, which is crucial for strategic decision-making.

How do industry experts contribute to patent analysis?

Industry experts provide valuable insights into the practical and legal implications of patents, helping in navigating the complexities of patent law and strategy.

Sources

1. U.S.C. Title 35 - PATENTS - GovInfo
2. U.S. Patent Small Claims Court - ACUS
3. Patent Analytics - Schwegman
4. What Is the Probability of Receiving a US Patent? - YJOLT
5. US-RE36617-E - Unified Patents Portal

Drugs Protected by US Patent RE36617

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: RE36617

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
United Kingdom	8714013	Jun 16, 1987

International Family Members for US Patent RE36617

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
European Patent Office	0296749		97C0023	France
European Patent Office	0296749		09C0055	France
European Patent Office	0296749		SPC/GB96/004	United Kingdom
European Patent Office	0296749		97C0032	Belgium
European Patent Office	0296749		C970012	Netherlands