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Last Updated: March 22, 2025

Details for Patent: 11,116,724


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Which drugs does patent 11,116,724 protect, and when does it expire?

Patent 11,116,724 protects XATMEP and is included in one NDA.

This patent has three patent family members in three countries.

Summary for Patent: 11,116,724
Title:Methotrexate composition
Abstract: A Methotrexate composition for oral administration is provided comprising a pharmaceutically acceptable salt of Methotrexate and an aqueous carrier agent. The Methotrexate salt is substantially or completely soluble in the aqueous carrier agent, forming an aqueous solution. There is also provided a method of manufacturing a Methotrexate composition for oral administration, comprising mixing a pharmaceutically acceptable salt of Methotrexate with an aqueous carrier agent until the Methotrexate salt is substantially or completely soluble in the carrier agent to form an aqueous solution.
Inventor(s): Tierney; Carl (Leeds, GB), Powell; Stacey (Leeds, GB), Braybrooke; Peter (Leeds, GB), Jones; Geraint (Leeds, GB)
Assignee: Rosemount Pharmaceuticals Ltd (Leeds, GB)
Application Number:16/839,178
Patent Claim Types:
see list of patent claims
Use; Composition;
Patent landscape, scope, and claims:

United States Patent 11,116,724: A Detailed Analysis of Scope, Claims, and Patent Landscape

Introduction

United States Patent 11,116,724 is a significant patent that protects a specific pharmaceutical product, XATMEP. To understand the full implications and scope of this patent, it is crucial to delve into its claims, the patent landscape, and the relevant legal and technical aspects.

Patent Overview

Patent Number and Title

The patent in question is U.S. Patent 11,116,724. This patent is associated with XATMEP, a pharmaceutical drug used for treating certain medical conditions.

Patent Family and International Coverage

This patent has three patent family members in three different countries, indicating its international scope and protection[4].

Claims Analysis

Claim Structure

Patent claims are the heart of any patent, defining the scope of protection. For U.S. Patent 11,116,724, the claims would typically include independent and dependent claims that outline the specific aspects of XATMEP that are protected.

Types of Claims

  • Independent Claims: These claims stand alone and define the broadest scope of the invention.
  • Dependent Claims: These claims are narrower and depend on one or more of the independent claims, often adding additional limitations to further specify the invention.

Claim Scope

The scope of the claims in U.S. Patent 11,116,724 would determine what aspects of XATMEP are protected. This could include the composition, method of manufacture, method of use, or any other unique features of the drug.

Patent Landscape

Prior Art and Citation Data

To understand the patent landscape, it is essential to look at prior art and citation data. Tools like the Common Citation Document (CCD) provided by the USPTO consolidate prior art cited by multiple patent offices, helping to visualize the global patent landscape for a specific invention[1].

Competing Patents

Analyzing competing patents in the pharmaceutical sector can reveal potential overlaps or distinctions. This involves searching databases such as those provided by the European Patent Office (EPO), Japan Patent Office (JPO), and the World Intellectual Property Organization (WIPO)[1].

Legal Implications

Patent Infringement

Understanding the claims and scope of U.S. Patent 11,116,724 is crucial for determining potential infringement. Companies must ensure that their products do not infringe on the protected aspects of XATMEP. Legal cases, such as Lite-Netics LLC v. Nu Tsai Capital LLC, highlight the importance of clear communication and enforcement of patent rights to avoid infringement claims[5].

Enforcement and Litigation

Patent holders must be proactive in enforcing their rights. This includes notifying potential infringers and taking legal action when necessary. The case of Lite-Netics LLC v. Nu Tsai Capital LLC demonstrates the complexities involved in patent infringement actions and the need for careful strategy in communicating patent rights to customers and competitors[5].

Technical Aspects

Sequence Listings and Data

For pharmaceutical patents, sequence listings and other technical data are critical. The Publication Site for Issued and Published Sequences (PSIPS) provides access to sequence listings, tables, and other mega items for granted U.S. patents or published U.S. patent applications, which could be relevant for patents like 11,116,724[1].

Patent Assignment and Ownership

Changes in patent ownership can affect the enforcement and validity of a patent. The Patent Assignment Search website allows users to search for patent assignments and changes in ownership, ensuring that the current owner of U.S. Patent 11,116,724 is correctly identified[1].

Search and Research Tools

USPTO Resources

The USPTO provides several tools for searching and analyzing patents, including the Patent Public Search tool, Global Dossier, and the Patent Examination Data System (PEDS). These resources are essential for conducting thorough searches and understanding the patent landscape[1].

International Databases

Access to international patent databases, such as those provided by the EPO, JPO, and WIPO, is crucial for a comprehensive analysis of the global patent landscape. These databases offer machine translations and full-text searches of published international patent applications[1].

Economic and Strategic Implications

Patent Scope Measurements

The USPTO's Patent Claims Research Dataset provides detailed information on claims from U.S. patents, including measures of patent scope. Understanding these metrics can help in strategizing the protection and enforcement of patents like 11,116,724[3].

Market Impact

The protection afforded by U.S. Patent 11,116,724 can significantly impact the market for XATMEP. It can prevent competitors from producing similar drugs, thereby maintaining market exclusivity for the patent holder.

Key Takeaways

  • Claims and Scope: Understanding the claims and scope of U.S. Patent 11,116,724 is crucial for determining what aspects of XATMEP are protected.
  • Patent Landscape: Analyzing prior art, citation data, and competing patents helps in understanding the broader patent landscape.
  • Legal Implications: Clear communication and enforcement of patent rights are essential to avoid infringement claims.
  • Technical Aspects: Sequence listings and other technical data are vital for pharmaceutical patents.
  • Search and Research Tools: Utilizing USPTO resources and international databases is necessary for a comprehensive analysis.

FAQs

Q: What is the significance of U.S. Patent 11,116,724?

A: U.S. Patent 11,116,724 protects XATMEP, a pharmaceutical drug, and its unique features, ensuring market exclusivity for the patent holder.

Q: How can I search for prior art related to this patent?

A: You can use tools like the Common Citation Document (CCD) and international patent databases such as those provided by the EPO, JPO, and WIPO to search for prior art[1].

Q: What are the legal implications of infringing on U.S. Patent 11,116,724?

A: Infringing on this patent could lead to legal action, including infringement lawsuits and potential damages. Clear communication and enforcement of patent rights are crucial to avoid such issues[5].

Q: How can I determine the current owner of U.S. Patent 11,116,724?

A: You can use the Patent Assignment Search website to search for patent assignments and changes in ownership[1].

Q: What resources are available for analyzing the patent landscape?

A: The USPTO provides several tools, including the Patent Public Search tool, Global Dossier, and the Patent Examination Data System (PEDS), along with international databases like those from the EPO, JPO, and WIPO[1].

Sources

  1. USPTO - Search for patents: https://www.uspto.gov/patents/search
  2. USA.gov - U.S. Patent and Trademark Office (USPTO): https://www.usa.gov/agencies/u-s-patent-and-trademark-office
  3. USPTO - Patent Claims Research Dataset: https://www.uspto.gov/ip-policy/economic-research/research-datasets/patent-claims-research-dataset
  4. DrugPatentWatch - Patent 11,116,724: https://www.drugpatentwatch.com/p/patent/11116724
  5. CAFC - Lite-Netics LLC v. Nu Tsai Capital LLC: https://cafc.uscourts.gov/opinions-orders/23-1146.OPINION.2-17-2023_2082508.pdf

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Drugs Protected by US Patent 11,116,724

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Azurity XATMEP methotrexate sodium SOLUTION;ORAL 208400-001 Apr 25, 2017 RX Yes Yes 11,116,724 ⤷  Try for Free TREATMENT OF JUVENILE RHEUMATOID ARTHRITIS ⤷  Try for Free
Azurity XATMEP methotrexate sodium SOLUTION;ORAL 208400-001 Apr 25, 2017 RX Yes Yes 11,116,724 ⤷  Try for Free A METHOD FOR TREATING ACUTE LYMPHOBLASTIC LEUKEMIA ⤷  Try for Free
>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: 11,116,724

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom1200192Jan 6, 2012

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