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Last Updated: April 2, 2025

Details for Patent: 11,638,697


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Which drugs does patent 11,638,697 protect, and when does it expire?

Patent 11,638,697 protects SUTAB and is included in one NDA.

Summary for Patent: 11,638,697
Title:Solid oral sulfate salt formulations for cleaning a colon and methods of using same
Abstract:Disclosed herein are solid oral dosage formulations comprising sodium sulfate, magnesium sulfate, and potassium chloride for inducing purgation of the colon of a subject. Furthermore, the disclosed compositions and formulations are useful to cleanse the colon when administered in sufficient quantities. Methods for inducing purgation of the colon and for cleansing the colon are also disclosed.
Inventor(s):Mark vB Cleveland, Edmund V. Dennett, Jr., Russell W Pelham
Assignee:Braintree Laboratories Inc
Application Number:US17/340,973
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Understanding the Scope and Claims of United States Patent 11,638,697: A Comprehensive Analysis

Introduction

When analyzing a patent, it is crucial to delve into its scope, claims, and the broader patent landscape to understand its significance and potential impact. This article will provide a detailed analysis of United States Patent 11,638,697, focusing on its claims, the legal framework governing patents, and the context within which it exists.

Patent Basics: Utility, Novelty, and Nonobviousness

To begin, any patent must satisfy the basic requirements of utility, novelty, and nonobviousness. An invention must be useful, meaning it provides some tangible benefit and is operable. It must also be novel, not fully anticipated by prior patents, publications, or other state of the art knowledge. Finally, it must be nonobvious, meaning it would not have been readily within the ordinary skills of a competent artisan at the time of its creation[4].

The Claims of a Patent

The claims of a patent are its most critical component, as they define the scope of the invention and what is protected by the patent. Claims can be independent or dependent, with dependent claims building upon independent claims. The Patent Claims Research Dataset by the USPTO provides detailed information on claims from US patents, including their dependency relationships and statistical analyses[3].

Independent and Dependent Claims

Independent claims stand alone and define the invention without reference to other claims. Dependent claims, on the other hand, refer back to and further limit an independent claim. For example, if an independent claim describes a device, a dependent claim might describe a specific component of that device.

Claim Construction and Interpretation

The interpretation of patent claims is a critical step in determining their scope. Courts often engage in claim construction to clarify the meaning of claim terms, which can significantly impact the patent's validity and infringement analysis. This process involves considering the patent's specification, the prosecution history, and any relevant extrinsic evidence[2].

The Specific Case of United States Patent 11,638,697

While the specific details of United States Patent 11,638,697 are not provided here, we can apply the general principles outlined above to understand its scope and claims.

Claim Analysis

To analyze the claims of this patent, one would need to review the patent document itself. Here are some steps to follow:

  • Identify Independent Claims: Determine which claims are independent and define the core of the invention.
  • Analyze Dependent Claims: Understand how the dependent claims further limit and specify the invention.
  • Consider Claim Language: Look at the specific language used in the claims to understand what is protected. This includes understanding any technical terms and how they are defined within the patent.

Patent Scope and Breadth

The scope of a patent is determined by its claims. A broader claim scope can provide more extensive protection but may also increase the risk of invalidation due to prior art or obviousness challenges. Conversely, narrower claims may be more defensible but offer less protection.

Obviousness-Type Double Patenting (ODP)

In cases where multiple patents are related, such as continuations-in-part or continuations, the issue of obviousness-type double patenting (ODP) can arise. ODP prevents the same invention from being patented multiple times, even if the patents have different expiration dates due to Patent Term Adjustments (PTA)[1].

Impact on Patent Term

ODP analysis must consider the adjusted expiration date of the patent, taking into account any PTA granted due to USPTO delays during prosecution. This ensures that the patent term is not extended beyond what is legally permissible.

Patent Landscape and Context

Understanding the broader patent landscape is essential for assessing the significance and potential impact of a patent.

Related Patents and Prior Art

Reviewing related patents and prior art helps in understanding the novelty and nonobviousness of the invention. This includes looking at patents within the same family, as well as external prior art that may anticipate or render the invention obvious.

Industry Trends and Innovations

The patent landscape is also influenced by industry trends and innovations. For example, in the field of technology, rapid advancements can quickly render older patents obsolete or highlight the need for new inventions.

Legal Framework and Judicial Guidance

The legal framework governing patents in the United States is established by statutory definitions, judicial guidance, and USPTO regulations.

Statutory Requirements

Patents must meet the statutory requirements of utility, novelty, and nonobviousness as outlined in the patent laws. These requirements are interpreted and clarified by judicial decisions and USPTO guidance[4].

Judicial Decisions

Courts play a crucial role in interpreting patent laws and clarifying the scope of patent claims. Decisions such as those from the Federal Circuit Court of Appeals provide significant guidance on patent validity, infringement, and claim construction[2].

Small Claims Patent Court: A Potential Future Development

There is ongoing discussion about the feasibility of a small claims patent court, which could simplify and reduce the costs associated with patent litigation. This initiative, studied by the Administrative Conference of the United States (ACUS), aims to address the needs of smaller inventors and businesses who may find current patent litigation processes prohibitively expensive[5].

Key Takeaways

  • Claims Define the Patent: The claims of a patent are its most critical component, defining what is protected.
  • ODP Analysis: Obviousness-type double patenting analysis is crucial for related patents to ensure no extension of patent term beyond what is legally permissible.
  • Legal Framework: Patents must meet statutory requirements and are interpreted through judicial guidance and USPTO regulations.
  • Patent Landscape: Understanding the broader patent landscape, including related patents and prior art, is essential for assessing a patent's significance.
  • Industry Trends: The patent landscape is influenced by industry trends and innovations.

FAQs

What are the basic requirements for a patent to be granted in the United States?

A patent must be useful, novel, and nonobvious, and it must claim patentable subject matter.

How are patent claims constructed and interpreted?

Patent claims are constructed during the patent application process and interpreted by courts through claim construction, considering the patent's specification, prosecution history, and relevant extrinsic evidence.

What is obviousness-type double patenting (ODP)?

ODP prevents the same invention from being patented multiple times, even if the patents have different expiration dates due to Patent Term Adjustments.

Why is understanding the patent landscape important?

Understanding the patent landscape helps in assessing the novelty, nonobviousness, and potential impact of a patent, as well as identifying related patents and prior art.

What is the proposed small claims patent court?

The proposed small claims patent court is an initiative to simplify and reduce the costs associated with patent litigation, particularly for smaller inventors and businesses.

Sources

  1. In re Cellect, LLC, United States Court of Appeals for the Federal Circuit, August 28, 2023.
  2. REALTIME ADAPTIVE STREAMING LLC v. SLING TV, LLC, United States Court of Appeals for the Federal Circuit, August 23, 2024.
  3. Patent Claims Research Dataset, United States Patent and Trademark Office, August 28, 2017.
  4. Patents and Innovation Policy, Congressional Research Service, August 2, 2022.
  5. U.S. Patent Small Claims Court, Administrative Conference of the United States.

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Drugs Protected by US Patent 11,638,697

ApplicantTradenameGeneric NameDosageNDAApproval DateTETypeRLDRSPatent No.Patent ExpirationProductSubstanceDelist Req.Patented / Exclusive UseSubmissiondate
Braintree Labs SUTAB magnesium sulfate; potassium chloride; sodium sulfate TABLET;ORAL 213135-001 Nov 10, 2020 RX Yes Yes 11,638,697 ⤷  Try for Free Y ⤷  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
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