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Last Updated: December 21, 2024

Details for Patent: RE46856


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Which drugs does patent RE46856 protect, and when does it expire?

Patent RE46856 protects ALIQOPA and is included in one NDA.

This patent has fifty-one patent family members in forty-two countries.

Summary for Patent: RE46856
Title:Substituted 2,3-dihydroimidazo[1,2-c]quinazoline derivatives useful for treating hyper-proliferative disorders and diseases associated with angiogenesis
Abstract: This invention relates to novel 2,3-dihydroimidazo[1,2-c]quinazoline compounds, pharmaceutical compositions containing such compounds and the use of those compounds or compositions for phosphotidylinositol-3-kinase (PI3K) inhibition and treating diseases associated with phosphotidylinositol-3-kinase (PI3K) activity, in particular treating hyperproliferative and/or angiogenesis disorders, as a sole agent or in combination with other active ingredients.
Inventor(s): Hentemann; Martin (Carlisle, MA), Wood; Jill (Fort Collins, CO), Scott; William (Guilford, CT), Michels; Martin (Koln, DE), Campbell; Ann-Marie (Monroe, CT), Bullion; Ann-Marie (Milford, CT), Rowley; Bruce R. (New Hope, PA), Redman; Aniko (Durham, NC)
Assignee: Bayer Intellectual Property GMBH (Monheim, DE)
Application Number:15/398,916
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 RE46856

Introduction

When analyzing a patent, particularly one like United States Patent RE46856, it is crucial to delve into the specifics of its scope and claims. This article will provide a detailed analysis of the patent landscape surrounding RE46856, focusing on key aspects such as inventorship, claim construction, and the broader context of patent scope.

What is United States Patent RE46856?

United States Patent RE46856, also known as the ALIQOPA patent, pertains to a specific pharmaceutical invention. ALIQOPA is a drug used in the treatment of certain types of cancer, and the patent covers its composition, method of use, and other related aspects.

Determining Inventorship

Inventorship is a critical aspect of any patent, including RE46856. According to patent law, an inventor is defined as a person who conceives the subject matter of at least one claim of the patent. This conception must be a "definite and permanent idea of the complete and operative invention" that can be reduced to practice by one with ordinary skill in the field without extensive research or experimentation[1].

For RE46856, the inventors would be those who conceived the idea of the drug's composition, its method of synthesis, or any other claimed aspects. It is important to distinguish between those who conceived the invention and those who merely reduced it to practice or performed routine experiments.

Claim Construction

The claims of a patent define the scope of the invention and are crucial for determining what is protected. For RE46856, the claims would include:

  • Independent Claims: These are the broadest claims that stand alone and define the invention without reference to other claims.
  • Dependent Claims: These claims are narrower and depend on the independent claims, often adding additional limitations to the invention[3].

The scope of these claims is vital for understanding what is protected under the patent. For example, if a claim in RE46856 describes a specific method of administering ALIQOPA, any variation that falls within the scope of that claim would be considered an infringement.

Measuring Patent Scope

Patent scope is a significant factor in evaluating the breadth and validity of a patent. Two simple metrics often used to measure patent scope are independent claim length and independent claim count. Research has shown that narrower claims at publication are associated with a higher probability of grant and a shorter examination process[5].

For RE46856, analyzing the length and count of independent claims can provide insights into the patent's scope. Generally, patents with fewer but more detailed independent claims tend to have a narrower scope, which can be beneficial in terms of clarity and enforceability.

Patent Term Extension

The ALIQOPA patent, like many pharmaceutical patents, may be eligible for a patent term extension. This is a regulatory provision that allows for the extension of a patent term to compensate for delays in the regulatory approval process. The FDA plays a crucial role in this process, and for RE46856, any patent term extension would need to be approved by the FDA[4].

Litigation and Enforcement

Patent litigation often revolves around the validity and scope of the claims. In the context of RE46856, any disputes would likely focus on whether the claims are valid, whether they were properly constructed, and whether any alleged infringement falls within the scope of the claims.

For instance, if another company develops a similar drug that falls within the scope of RE46856's claims, it could lead to litigation. The court would then analyze the claims to determine if the alleged infringing product is indeed covered by the patent.

Impact on Innovation

The scope and claims of a patent like RE46856 can significantly impact innovation in the field. Broad patents can sometimes stifle innovation by making it difficult for others to develop similar or improved products without infringing on the existing patent. On the other hand, well-defined and narrow patents can encourage innovation by providing clear boundaries and incentives for further research and development[5].

Key Takeaways

  • Inventorship: Determining the correct inventors is crucial and focuses on the conception step.
  • Claim Construction: Understanding the independent and dependent claims is vital for defining the patent's scope.
  • Patent Scope: Metrics such as independent claim length and count can help measure the breadth of the patent.
  • Patent Term Extension: Regulatory approvals can extend the patent term to compensate for delays.
  • Litigation: Disputes often center around claim validity and scope.
  • Innovation: The patent's scope can either hinder or encourage further innovation.

FAQs

Q: Who is considered an inventor in a patent application? A: An inventor is a person who conceives the subject matter of at least one claim of the patent, having a definite and permanent idea of the complete and operative invention[1].

Q: How is the scope of a patent measured? A: The scope of a patent can be measured using metrics such as independent claim length and independent claim count, which provide insights into the breadth and clarity of the patent claims[5].

Q: What is the significance of patent term extension? A: Patent term extension compensates for delays in the regulatory approval process, extending the period during which the patent holder can exclusively exploit the invention[4].

Q: How do broad patents impact innovation? A: Broad patents can sometimes stifle innovation by making it difficult for others to develop similar products without infringing on the existing patent. Narrow, well-defined patents, however, can encourage innovation by providing clear boundaries[5].

Q: What happens if there is a dispute over inventorship in a patent? A: Disputes over inventorship can lead to the patent being declared invalid and unenforceable if there was deceptive intent in naming the inventors. Even if the correct inventorship can be established later, the patent may remain unenforceable due to the initial fraud[1].

Sources

  1. Determining Inventorship for US Patent Applications - Oregon State University
  2. MOBILE ACUITY LTD. v. BLIPPAR LTD. - United States Court of Appeals for the Federal Circuit
  3. Patent Claims Research Dataset - USPTO
  4. Patent Term Extension Application for ALIQOPA Patent No. RE46856 - FDA
  5. Patent Claims and Patent Scope - SSRN

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Drugs Protected by US Patent RE46856

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Bayer Healthcare ALIQOPA copanlisib dihydrochloride POWDER;INTRAVENOUS 209936-001 Sep 14, 2017 DISCN Yes No RE46856 ⤷  Subscribe Y Y TREATMENT OF ADULT PATIENTS WITH RELAPSED FOLLICULAR LYMPHOMA WHO HAVE RECEIVED AT LEAST TWO PRIOR SYSTEMIC THERAPIES ⤷  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

Foreign Priority and PCT Information for Patent: RE46856

PCT Information
PCT FiledDecember 05, 2007PCT Application Number:PCT/US2007/024985
PCT Publication Date:June 12, 2008PCT Publication Number: WO2008/070150

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