Analyzing the Scope and Claims of United States Patent 10,941,118
Introduction
United States Patent 10,941,118, assigned to Pfizer Inc., is a patent that delves into the solid state forms of hydrobromide salts of a specific compound and their pharmaceutical compositions. This analysis will explore the scope, claims, and the broader patent landscape surrounding this patent.
Patent Overview
The patent, titled "Solid state forms of hydrobromide salts of Compound 1 and pharmaceutical compositions thereof," focuses on various crystalline forms of a hydrobromide salt of a compound identified as Compound 1. These forms are crucial for the stability, bioavailability, and overall efficacy of the pharmaceutical product.
Claims of the Patent
The patent includes multiple claims that define the scope of the invention. Here are some key claims:
Independent Claims
- Claim 1: This claim describes the crystalline form of the hydrobromide salt of Compound 1, characterized by specific X-ray powder diffraction (XRPD) patterns.
- Claim 2-13: These claims are dependent on Claim 1 and specify different crystalline forms (Form B, Form D, Form E, Form F, Form F′, Form G, Form H, Form H′, Form J, Form K, and Form L) each characterized by distinct XRPD patterns[4].
Dependent Claims
These claims further detail the characteristics of each crystalline form, such as their XRPD patterns, which are essential for identifying and distinguishing these forms.
Scope of the Patent
The scope of the patent is defined by the claims and the detailed description provided in the patent specification.
Crystalline Forms
The patent covers various crystalline forms of the hydrobromide salt of Compound 1, each with unique XRPD patterns. This specificity is crucial for ensuring the consistency and quality of the pharmaceutical product.
Pharmaceutical Compositions
The patent also includes claims related to pharmaceutical compositions that comprise one or more of these crystalline forms. This ensures that the patent protects not only the raw material but also the final product[4].
Patent Landscape
Understanding the patent landscape is essential for assessing the competitive environment and potential infringement risks.
Related Patents
- Patent Family: The patent is part of a larger patent family, which includes related applications filed in other jurisdictions. Using tools like the Global Dossier provided by the USPTO, one can track the patent family and understand the global protection scope[1].
- Citation Data: The Common Citation Document (CCD) application can be used to consolidate prior art cited by multiple patent offices, providing a comprehensive view of the prior art landscape relevant to this patent[1].
Competitor Analysis
Analyzing patents held by competitors in the pharmaceutical industry can reveal potential overlaps or gaps in protection. For instance, other companies may have patents on similar compounds or different crystalline forms, which could impact Pfizer's market position.
Economic and Legal Implications
The economic and legal implications of this patent are significant.
Market Exclusivity
The patent grants Pfizer exclusive rights to manufacture, use, and sell the specified crystalline forms of the hydrobromide salt of Compound 1. This exclusivity can provide a competitive advantage in the market until the patent expires[5].
Litigation and Enforcement
The detailed claims and specifications of the patent are crucial for litigation and enforcement purposes. Any potential infringers would need to ensure that their products do not fall within the scope of these claims.
Expiration Dates
Understanding the expiration dates of the patent is vital for planning future strategies.
- Patent Expiration: The patent will expire on a specific date, after which the technology will enter the public domain. For pharmaceutical patents, this date is often listed in the FDA Orange Book, which provides information on drug patents and their expiration dates[5].
Conclusion
United States Patent 10,941,118 is a detailed and specific patent that protects various crystalline forms of a hydrobromide salt of Compound 1 and their pharmaceutical compositions. The scope of the patent is defined by its claims, and understanding these claims is crucial for navigating the patent landscape.
Key Takeaways
- Specific Claims: The patent includes detailed claims about different crystalline forms characterized by XRPD patterns.
- Pharmaceutical Compositions: The patent covers pharmaceutical compositions comprising these crystalline forms.
- Patent Landscape: Tools like Global Dossier and CCD are essential for understanding the broader patent landscape.
- Economic and Legal Implications: The patent grants market exclusivity and is crucial for litigation and enforcement.
- Expiration Dates: Understanding the expiration dates is vital for future strategic planning.
FAQs
Q1: What is the main subject of United States Patent 10,941,118?
The main subject is the solid state forms of hydrobromide salts of Compound 1 and their pharmaceutical compositions.
Q2: How are the crystalline forms characterized in the patent?
The crystalline forms are characterized by specific X-ray powder diffraction (XRPD) patterns.
Q3: What tools can be used to understand the global patent family of this patent?
Tools like the Global Dossier provided by the USPTO can be used to track the patent family and understand the global protection scope.
Q4: Why is the Common Citation Document (CCD) important for this patent?
The CCD consolidates prior art cited by multiple patent offices, providing a comprehensive view of the prior art landscape relevant to this patent.
Q5: Where can one find information on the expiration dates of this patent?
Information on the expiration dates can be found in the FDA Orange Book, which lists drug patents and their expiration dates.
Sources
- USPTO - Search for patents[1]
- ACUS - U.S. Patent Small Claims Court[2]
- USPTO - Patent Claims Research Dataset[3]
- DrugPatentWatch - Claims for Patent: 10,941,118[4]
- PharmaCompass - US Patent 10,941,118[5]
