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Last Updated: December 22, 2024

Details for Patent: 11,202,772


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Summary for Patent: 11,202,772
Title:Duloxetine sprinkles
Abstract: The present invention relates in part a to multiparticulate sprinkle dosage form comprising duloxetine or a pharmaceutically acceptable salt thereof, having higher acid resistance as compared to commercially available delayed release formulations. It further relates to various methods of administering the said multiparticulate sprinkle dosage forms.
Inventor(s): Agarwal; Ravindra (Udaipur, IN), Singhal; Tarun (Bharatpur, IN), Kochhar; Ravi (Haryana, IN)
Assignee: Sun Pharmaceutical Industries Limited (Mumbai, IN)
Application Number:17/129,173
Patent Claim Types:
see list of patent claims
Formulation; Compound; Dosage form;
Patent landscape, scope, and claims:

Understanding the Scope and Claims of United States Patent 11,202,772: A Detailed Analysis

Introduction

Patents are a crucial component of intellectual property law, providing inventors and innovators with exclusive rights to their inventions. The scope and claims of a patent are essential in defining what is protected and what constitutes infringement. This article delves into the specifics of United States Patent 11,202,772, exploring its scope, claims, and the broader patent landscape.

Background on Patent 11,202,772

United States Patent 11,202,772, titled "Duloxetine sprinkles," pertains to a pharmaceutical formulation of duloxetine, a medication commonly used to treat depression, generalized anxiety disorder, fibromyalgia, and neuropathic pain. Here, we will examine the key aspects of this patent.

Patent Scope and Claims

Independent Claim Length and Count

The scope of a patent is often measured by the length and count of its independent claims. Research suggests that narrower claims, as indicated by shorter independent claim lengths and lower independent claim counts, are associated with a higher probability of grant and a shorter examination process[3].

Specific Claims of Patent 11,202,772

The patent for duloxetine sprinkles includes several claims that define the invention. These claims typically cover the composition, method of preparation, and the specific formulation of duloxetine in a sprinkle form. Here are some key points:

  • Composition Claims: These claims specify the ingredients and their proportions in the duloxetine sprinkle formulation.
  • Method of Preparation Claims: These claims outline the steps and processes involved in preparing the duloxetine sprinkles.
  • Formulation Claims: These claims describe the physical and chemical characteristics of the final product.

Claim Language and Clarity

The clarity and specificity of claim language are critical in defining the patent's scope. Broader claims can lead to increased licensing and litigation costs due to their ambiguity and potential for overlap with other patents[3].

Patent Examination Process

The examination process for patents, including Patent 11,202,772, involves several stages that can affect the scope of the claims.

Narrowing of Claims

During the examination process, patent claims often undergo revisions to narrow their scope. This narrowing can result in claims that are more specific and less likely to be challenged for validity[3].

Forward Citations and Patent Maintenance

The number of forward citations (citations by later patents) and the payment of patent maintenance fees can also indicate the scope and importance of a patent. Patents with narrower claims at publication tend to have more forward citations and are more likely to be maintained over their lifespan[3].

Patent Landscape and Litigation

Trends in Patent Litigation

The landscape of patent litigation has seen significant changes, particularly with the introduction of the Leahy-Smith America Invents Act (AIA) in 2011. This act limited the number of defendants in a single lawsuit, leading to an increase in the number of lawsuits filed[1].

Non-Practicing Entities (NPEs)

NPEs, also known as patent trolls, play a significant role in patent litigation. They do not manufacture products but enforce patents through litigation, often leveraging the asymmetry in litigation costs to their advantage[1].

Small Claims Patent Court

There have been discussions and studies on the feasibility of a small claims patent court to address the high costs and complexity of patent litigation. Such a court could provide a more streamlined and cost-effective way to resolve patent disputes, particularly for small inventors and businesses[5].

Case Law and Precedents

Obviousness-Type Double Patenting

Recent court decisions, such as the case of Allergan USA, Inc. v. MSN Laboratories Private Ltd., highlight the importance of ensuring that patent claims are patentably distinct to avoid issues of obviousness-type double patenting. This case illustrates how the timing and relationship between different patents can impact their validity[2].

Practical Implications

Licensing and Collaboration

The scope and claims of a patent like 11,202,772 can significantly impact licensing agreements and collaborations. Clear and specific claims can facilitate smoother negotiations and reduce the risk of disputes.

Innovation and Competition

The breadth and clarity of patent claims can influence innovation and competition in the pharmaceutical industry. Narrower, well-defined claims can encourage innovation by providing clear boundaries and reducing the risk of litigation[3].

Key Takeaways

  • Patent Scope: The scope of a patent is crucial and can be measured by the length and count of its independent claims.
  • Claim Clarity: Clear and specific claim language is essential for defining the patent's scope and reducing litigation risks.
  • Examination Process: The patent examination process can narrow the scope of claims, making them more specific and valid.
  • Litigation Trends: Changes in patent litigation, such as those brought by the AIA, and the role of NPEs can significantly impact the patent landscape.
  • Small Claims Court: The potential for a small claims patent court could offer a more cost-effective solution for resolving patent disputes.

FAQs

What is the main subject of United States Patent 11,202,772?

United States Patent 11,202,772 pertains to a pharmaceutical formulation of duloxetine in a sprinkle form.

How is the scope of a patent measured?

The scope of a patent is often measured by the length and count of its independent claims, as well as the clarity and specificity of the claim language.

What is the impact of the Leahy-Smith America Invents Act (AIA) on patent litigation?

The AIA limited the number of defendants in a single lawsuit, leading to an increase in the number of lawsuits filed and changing the dynamics of patent litigation.

What are Non-Practicing Entities (NPEs), and how do they affect patent litigation?

NPEs are entities that do not manufacture products but enforce patents through litigation. They often leverage the asymmetry in litigation costs to their advantage.

Why is the concept of a small claims patent court being discussed?

The concept of a small claims patent court is being discussed as a potential solution to provide a more streamlined and cost-effective way to resolve patent disputes, particularly for small inventors and businesses.

Sources

  1. GAO Report: Assessing Factors That Affect Patent Infringement Litigation, GAO-13-465.
  2. Federal Circuit Court Decision: Allergan USA, Inc. v. MSN Laboratories Private Ltd., 24-1061.OPINION.8-13-2024.
  3. SSRN Paper: Patent Claims and Patent Scope, SSRN.
  4. PubChem: Duloxetine sprinkles - Patent US-11202772-B2.
  5. ACUS Report: U.S. Patent Small Claims Court, ACUS.

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Drugs Protected by US Patent 11,202,772

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Sun Pharm DRIZALMA SPRINKLE duloxetine hydrochloride CAPSULE, DELAYED REL PELLETS;ORAL 212516-001 Jul 19, 2019 RX Yes No 11,202,772 ⤷  Subscribe Y ⤷  Subscribe
Sun Pharm DRIZALMA SPRINKLE duloxetine hydrochloride CAPSULE, DELAYED REL PELLETS;ORAL 212516-002 Jul 19, 2019 RX Yes No 11,202,772 ⤷  Subscribe Y ⤷  Subscribe
Sun Pharm DRIZALMA SPRINKLE duloxetine hydrochloride CAPSULE, DELAYED REL PELLETS;ORAL 212516-003 Jul 19, 2019 RX Yes No 11,202,772 ⤷  Subscribe Y ⤷  Subscribe
Sun Pharm DRIZALMA SPRINKLE duloxetine hydrochloride CAPSULE, DELAYED REL PELLETS;ORAL 212516-004 Jul 19, 2019 RX Yes Yes 11,202,772 ⤷  Subscribe Y ⤷  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 11,202,772

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 3335697 ⤷  Subscribe
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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