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Last Updated: January 2, 2025

Details for Patent: 9,533,955


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Which drugs does patent 9,533,955 protect, and when does it expire?

Patent 9,533,955 protects TREANDA and is included in one NDA.

Protection for TREANDA has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

This patent has seventeen patent family members in eleven countries.

Summary for Patent: 9,533,955
Title:Solid forms of bendamustine hydrochloride
Abstract: Novel solid forms of bendamustine hydrochloride are described, as well as methods of their preparation and use.
Inventor(s): Cooper; Martin Ian (Foxton, GB), Courvoisier; Laurent D. (Thorndale, PA), Eddleston; Mark (Chillwell, GB), McKean; Robert E. (Chester Springs, PA)
Assignee: Cephalon, Inc. (Frazer, PA)
Application Number:15/045,523
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 9,533,955
Patent Claim Types:
see list of patent claims
Use; Composition; Compound;
Patent landscape, scope, and claims:

Understanding the Scope and Claims of United States Patent 9,533,955

Introduction to Patents and Patent Claims

Patents are intellectual property rights granted to inventors for their new and useful inventions, providing exclusive rights to make, use, and sell the invention for a specified period. The U.S. Patent and Trademark Office (USPTO) is responsible for granting these patents and registering trademarks in the United States[2].

Overview of United States Patent 9,533,955

United States Patent 9,533,955, titled "Solid forms of bendamustine hydrochloride," was granted to address the need for stable and effective solid forms of bendamustine hydrochloride, a chemotherapy drug used in the treatment of certain cancers.

Patent Claims: The Heart of Patent Protection

The claims section of a patent application is crucial as it defines the scope of the patent's protection. For Patent 9,533,955, the claims outline the specific solid forms of bendamustine hydrochloride, their preparation methods, and their use[4].

Types of Claims

  • Independent Claims: These claims stand alone and define the invention without reference to other claims. In Patent 9,533,955, independent claims describe the novel solid forms of bendamustine hydrochloride.
  • Dependent Claims: These claims refer back to and further limit the independent claims. They often describe specific embodiments or variations of the invention.

Claim Structure and Content

The claims in Patent 9,533,955 are structured to clearly define the novel solid forms of bendamustine hydrochloride, including:

  • Composition Claims: These claims describe the chemical composition of the solid forms, such as the presence of specific solvents and the crystalline structure of bendamustine hydrochloride.
  • Method Claims: These claims outline the methods for preparing the solid forms, including processes like freeze-drying and the use of specific solvents.
  • Use Claims: These claims specify the therapeutic uses of the solid forms, such as their application in cancer treatment.

Patent Scope and Protection

The scope of a patent is determined by its claims. For Patent 9,533,955, the scope includes:

  • Novel Solid Forms: The patent covers various solid forms of bendamustine hydrochloride that are stable and effective, which is a significant improvement over previous formulations.
  • Preparation Methods: The patent protects the specific methods used to prepare these solid forms, ensuring that the inventors have exclusive rights to these processes.
  • Therapeutic Uses: The patent specifies the use of these solid forms in cancer treatment, providing a clear definition of how the invention can be applied in medical practice.

Patent Landscape and Competitiveness

The patent landscape for bendamustine hydrochloride involves several key factors:

  • Existing Patents: Other patents related to bendamustine hydrochloride may exist, but Patent 9,533,955 offers unique solid forms and preparation methods that differentiate it from prior art.
  • Market Demand: The demand for effective and stable chemotherapy drugs is high, making this patent significant in the pharmaceutical industry.
  • Competitive Advantage: By securing this patent, the inventors gain a competitive advantage in the market, allowing them to exclusively manufacture and sell these novel solid forms of bendamustine hydrochloride.

Economic Impact

The economic impact of Patent 9,533,955 can be substantial:

  • Market Exclusivity: The patent provides market exclusivity for the inventors, allowing them to capture a significant share of the market for bendamustine hydrochloride.
  • Revenue Generation: The exclusive rights granted by the patent can lead to significant revenue generation through the sale of the patented solid forms.
  • Research and Development: The patent can also encourage further research and development in the field of cancer treatment, driving innovation and potentially leading to new breakthroughs.

Legal and Regulatory Aspects

The legal and regulatory aspects of Patent 9,533,955 are governed by U.S. patent laws:

  • Patentability Requirements: The invention must meet the requirements of being novel, non-obvious, and useful, as defined in Title 35 of the U.S. Code[5].
  • Patent Application Process: The patent was filed through the USPTO, following the necessary procedures and requirements for a utility patent application.
  • Patent Term: The patent term for Utility Patents in the U.S. is generally 20 years from the date of filing the non-provisional application.

Conclusion

United States Patent 9,533,955 represents a significant advancement in the field of cancer treatment by providing novel and stable solid forms of bendamustine hydrochloride. The claims of this patent are meticulously crafted to define the scope of protection, ensuring the inventors have exclusive rights to these innovations. Understanding the scope and claims of this patent is crucial for navigating the patent landscape and leveraging its economic and competitive advantages.

Key Takeaways

  • Novel Solid Forms: The patent covers unique and stable solid forms of bendamustine hydrochloride.
  • Exclusive Rights: The inventors have exclusive rights to manufacture, use, and sell these solid forms.
  • Market Exclusivity: The patent provides market exclusivity, allowing the inventors to capture a significant market share.
  • Economic Impact: The patent can generate significant revenue and encourage further research and development.
  • Legal and Regulatory Compliance: The patent adheres to U.S. patent laws and regulations.

FAQs

Q1: What is the main subject of United States Patent 9,533,955? A1: The main subject is the novel solid forms of bendamustine hydrochloride, a chemotherapy drug.

Q2: Why are the claims in a patent application important? A2: The claims define the scope of the patent's protection and are essential for determining what is covered by the patent.

Q3: How long does a utility patent in the U.S. typically last? A3: A utility patent in the U.S. typically lasts for 20 years from the date of filing the non-provisional application.

Q4: What are the key types of patent applications? A4: The key types are utility, design, and plant patents, with utility patents being the most common.

Q5: How can one file a patent application with the USPTO? A5: A patent application can be filed through the USPTO electronic filing system (EFS-Web), by U.S. mail, or by hand delivery to the office in Alexandria, VA.

Sources

  1. US9533955B2 - Solid forms of bendamustine hydrochloride - Google Patents
  2. U.S. Patent and Trademark Office (USPTO) | USAGov
  3. Patent Claims Research Dataset - USPTO
  4. Patents | The Maryland People's Law Library

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Drugs Protected by US Patent 9,533,955

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Cephalon TREANDA bendamustine hydrochloride POWDER;INTRAVENOUS 022249-002 May 1, 2009 AP RX Yes Yes ⤷  Subscribe ⤷  Subscribe Y ⤷  Subscribe
Cephalon TREANDA bendamustine hydrochloride POWDER;INTRAVENOUS 022249-001 Mar 20, 2008 AP RX Yes Yes ⤷  Subscribe ⤷  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 9,533,955

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 072777 ⤷  Subscribe
Canada 2718939 ⤷  Subscribe
Chile 2009000742 ⤷  Subscribe
China 101980698 ⤷  Subscribe
China 103550159 ⤷  Subscribe
China 105693620 ⤷  Subscribe
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.