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Last Updated: December 28, 2024

Details for Patent: 8,501,819


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Which drugs does patent 8,501,819 protect, and when does it expire?

Patent 8,501,819 protects VALCHLOR and is included in one NDA.

This patent has fifty patent family members in twenty countries.

Summary for Patent: 8,501,819
Title:Stabilized compositions of volatile alkylating agents and methods of using thereof
Abstract: A composition and method for treatment of cancer. The composition for treating a skin disorder, comprising: a Nitrogen Mustard or an HX salt of the Nitrogen Mustard, wherein the Nitrogen Mustard or the HX salt of the Nitrogen Mustard is in a non-aqueous vehicle or carrier that does not include petrolatum or ethanol does not include petrolatum or ethanol. The method comprises topically applying the composition of a Nitrogen Mustard or a HX salt of the Nitrogen Mustard to the affected skin, wherein the Nitrogen Mustard or the HX salt of the Nitrogen Mustard is in a non-aqueous vehicle or carrier that does not include petrolatum or ethanol.
Inventor(s): Alonso; Robert (Wayne, PA), Crooks; Peter A. (Little Rock, AR), Pimley; Mark A. (West Chester, PA)
Assignee: Ceptaris Therapeutics, Inc. (Malvern, PA)
Application Number:12/948,593
Patent Claim Types:
see list of patent claims
Use; Composition;
Patent landscape, scope, and claims:

United States Patent 8,501,819: A Detailed Analysis of Scope, Claims, and Patent Landscape

Introduction

The United States Patent 8,501,819, titled "Stabilized compositions of volatile alkylating agents and methods of using thereof," is a patent that addresses a specific innovation in the field of pharmaceuticals, particularly in the treatment of cancer and skin disorders. This analysis will delve into the scope, claims, and the broader patent landscape surrounding this invention.

Background and Invention Overview

The patent describes a composition and method for treating skin disorders, including cancer, using stabilized compositions of volatile alkylating agents such as Nitrogen Mustard or its HX salts. These agents are known for their therapeutic efficacy but also for their volatility and instability, which the invention aims to address[4].

Patent Scope

Independent Claims

The scope of the patent is defined by its independent claims, which are the broadest claims that describe the invention. For US Patent 8,501,819, the independent claims focus on the stabilized compositions and the methods of preparing and using these compositions. These claims are crucial as they define the boundaries of the invention and what is considered novel and non-obvious[3].

Claim Language and Metrics

Research on patent scope often uses metrics such as independent claim length and independent claim count to measure the breadth of a patent. Narrower claims, as indicated by shorter lengths and fewer counts, are generally associated with a higher probability of grant and a shorter examination process. This patent's claims would need to be analyzed under these metrics to understand their scope and potential impact on the patent landscape[3].

Claims Analysis

Composition Claims

The patent includes claims that describe the stabilized compositions of volatile alkylating agents. These claims specify the components of the composition, such as the type of alkylating agent, the stabilizing agents, and any other additives. For example, the composition might include a Nitrogen Mustard or an HX salt of the Nitrogen Mustard, along with a pharmaceutically acceptable acid or salt[4].

Method Claims

In addition to composition claims, the patent also includes method claims that describe how to prepare and use these stabilized compositions. These methods could involve specific steps for stabilizing the volatile agents, administering the composition, and monitoring the treatment's efficacy.

Patent Landscape

Prior Art and Novelty

The patent landscape for US Patent 8,501,819 involves an analysis of prior art to ensure the invention is novel and non-obvious. Prior art keywords listed in the patent include "nitrogen mustard," "pharmaceutically acceptable," and "salt," indicating that the invention builds upon existing knowledge in the field but introduces a new and innovative solution to the stability issue of volatile alkylating agents[4].

Competing Patents and Innovations

The pharmaceutical industry is highly competitive, with numerous patents and innovations in the area of cancer treatment. This patent must be considered within the context of other patents and research in the field. For instance, other patents may address similar issues of stability or efficacy in different ways, and understanding these competing innovations is crucial for navigating the patent landscape.

Examination Process and Grant

The examination process for this patent would have involved a thorough review by the US Patent and Trademark Office (USPTO) to ensure that the claims are valid, novel, and non-obvious. The patent's grant indicates that it has met these criteria, but the examination process may have narrowed the scope of the claims to ensure they are not overly broad or vague[3].

Inventorship and Ownership

Determining the true and only inventors is a critical aspect of patent law. For US Patent 8,501,819, the inventors listed would have had to conceive the idea and reduce it to practice. The correct identification of inventors is essential to avoid legal disputes and ensure that the patent rights are properly assigned[5].

Commercial and Therapeutic Impact

The commercial and therapeutic impact of this patent is significant, as it addresses a critical issue in the treatment of cancer and skin disorders. The stabilized compositions could lead to more effective and safer treatments, which would have a positive impact on patient outcomes and healthcare costs.

Future Developments and Licensing

The future of this patent involves potential licensing agreements, further research and development, and possible litigation to protect the patent rights. The patent's scope and claims will play a crucial role in these activities, as they define what is protected and what can be licensed or further innovated upon.

Key Takeaways

  • Novelty and Non-Obviousness: The patent introduces a new solution to the stability issue of volatile alkylating agents.
  • Claims Analysis: The patent includes both composition and method claims that define the invention's scope.
  • Patent Landscape: The patent is part of a broader landscape of pharmaceutical innovations, particularly in cancer treatment.
  • Examination Process: The patent was granted after a thorough examination by the USPTO.
  • Inventorship and Ownership: Correct identification of inventors is crucial for legal and commercial purposes.
  • Commercial and Therapeutic Impact: The patent has significant potential for improving cancer and skin disorder treatments.

FAQs

What is the main innovation of US Patent 8,501,819?

The main innovation is the development of stabilized compositions of volatile alkylating agents, such as Nitrogen Mustard, for treating cancer and skin disorders.

How does the patent address the issue of volatility?

The patent describes specific compositions and methods that stabilize the volatile alkylating agents, making them more effective and safer for use.

What are the key components of the stabilized compositions?

The compositions include the volatile alkylating agent, such as Nitrogen Mustard or its HX salts, along with pharmaceutically acceptable acids or salts.

What is the significance of the examination process for this patent?

The examination process ensured that the claims were valid, novel, and non-obvious, and may have narrowed the scope of the claims to avoid overly broad or vague claims.

How does this patent impact the pharmaceutical industry?

The patent has the potential to improve cancer and skin disorder treatments by providing more effective and stable therapeutic agents, which could lead to better patient outcomes and reduced healthcare costs.

Cited Sources:

  1. US Patent 8,501,819: Stabilized compositions of volatile alkylating agents and methods of using thereof - Google Patents.
  2. US Patent and Trademark Office (USPTO): USAGov.
  3. Patent Claims and Patent Scope: SSRN.
  4. Determining Inventorship for US Patent Applications: Oregon State University.

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Drugs Protected by US Patent 8,501,819

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Helsinn VALCHLOR mechlorethamine hydrochloride GEL;TOPICAL 202317-001 Aug 23, 2013 RX Yes Yes 8,501,819 ⤷  Subscribe ALKYLATING DRUG INDICATED FOR THE TOPICAL TREATMENT OF STAGE IA AND IB MYCOSIS FUNGOIDES-TYPE CUTANEOUS T-CELL LYMPHOMA IN PATIENTS WHO HAVE RECEIVED PRIOR SKIN DIRECTED THERAPY ⤷  Subscribe
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 8,501,819

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 1858864 ⤷  Subscribe PA2017026 Lithuania ⤷  Subscribe
European Patent Office 1858864 ⤷  Subscribe CR 2017 00033 Denmark ⤷  Subscribe
European Patent Office 1858864 ⤷  Subscribe 300888 Netherlands ⤷  Subscribe
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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