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Last Updated: April 7, 2025

Details for Patent: 8,895,557


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Which drugs does patent 8,895,557 protect, and when does it expire?

Patent 8,895,557 protects YONDELIS and is included in one NDA.

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

This patent has forty-four patent family members in thirty-six countries.

Summary for Patent: 8,895,557
Title:Pharmaceutical formulations of ecteinascidin compounds
Abstract: Ecteinascidin formulations, methods of preparing the same, articles of manufacture and kits with such formulations, and methods of treating proliferative diseases with the same formulations are provided.
Inventor(s): Beijnen; Jacob Hendrik (Amsterdam, NL), Nuijen; Bastiaan (Amsterdam, NL), Salve; Pilar Calvo (Madrid, ES), Barreira; Maria Tobio (Madrid, ES)
Assignee: Pharma Mar, S.A., Sociedad Unipersonal (Madrid, ES)
Application Number:11/261,876
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,895,557
Patent Claim Types:
see list of patent claims
Composition; Formulation; Use;
Patent landscape, scope, and claims:

United States Patent 8,895,557: A Detailed Analysis of Scope, Claims, and Patent Landscape

Introduction

The United States Patent 8,895,557, titled "Pharmaceutical formulations of ecteinascidin compounds," is a significant patent in the pharmaceutical industry, particularly in the field of cancer treatment. This analysis will delve into the scope and claims of the patent, as well as the broader patent landscape surrounding it.

Patent Overview

Invention Description

The patent US 8,895,557 pertains to pharmaceutical formulations of ecteinascidin compounds, specifically ET743 (also known as trabectedin), which is used in the treatment of various cancers, including soft tissue sarcoma and ovarian cancer. The invention focuses on improving the stability and efficacy of these formulations[4].

Claims

The patent includes several claims that define the scope of the invention. These claims cover various aspects such as:

  • Formulations: Specific compositions of ecteinascidin compounds, including lyophilized formulations and solutions.
  • Methods of Preparation: Detailed processes for preparing these formulations.
  • Articles of Manufacture: Kits and other articles that contain these formulations.
  • Methods of Treatment: The use of these formulations in treating proliferative diseases, particularly cancers[4].

Scope of the Patent

Coverage of Formulations

The patent provides extensive coverage of different formulations of ecteinascidin compounds. This includes variations in the composition, such as the use of disaccharides and other stabilizing agents, to enhance the stability and shelf life of the drug[4].

Geographical Spread

While the patent itself does not specify geographical limitations, its impact is global, given the international nature of pharmaceutical research and development. Companies and researchers around the world may be affected by this patent, particularly those involved in cancer treatment research.

Patent Landscape Analysis

Saturated Patent Space

The patent space related to cancer treatments, especially those involving ecteinascidin compounds, is highly saturated. Numerous patents exist for various formulations, delivery methods, and treatment protocols. This saturation makes it challenging for new entrants to secure patents without infringing on existing ones[3].

Competitors and New Entrants

Key players in this space include pharmaceutical giants and biotech companies. New entrants must navigate this complex landscape carefully to avoid infringement and identify niche areas for innovation. For example, companies like Pfizer, Celgene, and Gilead Sciences have extensive patent portfolios in related areas, making it crucial for new entrants to conduct thorough patent landscape analyses[1][3].

Time-Slicing and Trends

Analyzing the patent landscape over time (time-slicing) reveals trends in patent filings and the focus areas of major players. This can help identify areas where patent activity is decreasing or increasing, guiding strategic decisions on where to invest research and development efforts. For instance, if a particular technology area shows a decline in patent filings, it may indicate a shift towards newer technologies or a saturation point in that area[3].

Niche Patent Areas

Despite the saturation, there are often underappreciated niche areas within the broader patent landscape. Identifying these niches can provide opportunities for innovation and patenting. For example, specific formulations or delivery methods that are less explored could offer a pathway for new patents and market differentiation[3].

Impact on Pharmaceutical Industry

Research and Development

The patent US 8,895,557 influences research and development in the pharmaceutical industry by setting a standard for ecteinascidin compound formulations. Companies must ensure their research does not infringe on this patent, driving innovation in adjacent areas or alternative technologies.

Litigation and Settlements

Patent litigation is common in the pharmaceutical industry, and patents like US 8,895,557 can be central to such disputes. For instance, cases involving ANDA (Abbreviated New Drug Application) litigation often revolve around patent infringement claims, as seen in various cases involving major pharmaceutical companies[1].

Strategic Advice

Patentability Search vs. Patent Landscape Analysis

Conducting a patentability search is crucial but limited in scope. A comprehensive patent landscape analysis, however, provides a broader view of the technology area, helping companies make strategic decisions about where to focus their research and development efforts. This approach can uncover opportunities and risks that might otherwise be missed[3].

Geographical Filing Strategies

Understanding the geographical spread of patents in this technology area can guide companies on where to file patents to maximize protection and minimize costs. This is particularly important for global pharmaceutical companies with diverse research and development operations[3].

Key Takeaways

  • Patent Scope: The patent US 8,895,557 covers specific formulations, methods of preparation, and treatment protocols for ecteinascidin compounds.
  • Saturated Market: The patent space for cancer treatments is highly saturated, making it challenging for new entrants.
  • Strategic Analysis: Conducting a comprehensive patent landscape analysis is essential for identifying opportunities and making strategic decisions.
  • Geographical Considerations: Understanding the geographical spread of patents can help in filing strategies and cost management.
  • Innovation: Identifying niche areas within the saturated patent landscape can drive innovation and market differentiation.

Frequently Asked Questions (FAQs)

What is the main focus of the patent US 8,895,557?

The main focus of the patent US 8,895,557 is on pharmaceutical formulations of ecteinascidin compounds, specifically ET743, and methods for their preparation and use in treating cancers.

How does this patent impact the pharmaceutical industry?

This patent sets a standard for ecteinascidin compound formulations, influencing research and development by requiring companies to ensure their work does not infringe on the patent claims.

What is the significance of patent landscape analysis in this context?

Patent landscape analysis helps companies understand the saturation level of the patent space, identify new entrants, and uncover niche areas for innovation, guiding strategic decisions on research and development.

How can companies navigate the highly saturated patent space in cancer treatments?

Companies can navigate this space by conducting thorough patent landscape analyses, identifying underappreciated niche areas, and focusing on alternative technologies or newer inventive spaces.

What are the implications of time-slicing in patent landscape analysis?

Time-slicing helps in identifying trends over time, such as areas where patent activity is increasing or decreasing, which can guide long-term strategic decisions on where to invest in research and development.

Cited Sources:

  1. Robins Kaplan LLP Law Firm. ANDA Litigation Settlements.
  2. Unified Patents. US-8895557-B2 - Pharmaceutical Formulations of Ecteinascidin ...
  3. AcclaimIP. Patent Landscape Analysis - Uncovering Strategic Insights
  4. Google Patents. US8895557B2 - Pharmaceutical formulations of ecteinascidin compounds

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Drugs Protected by US Patent 8,895,557

ApplicantTradenameGeneric NameDosageNDAApproval DateTETypeRLDRSPatent No.Patent ExpirationProductSubstanceDelist Req.Patented / Exclusive UseSubmissiondate
Janssen Prods YONDELIS trabectedin POWDER;INTRAVENOUS 207953-001 Oct 23, 2015 RX Yes Yes ⤷  Try for Free ⤷  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
Showing 1 to 1 of 1 entries

International Family Members for US Patent 8,895,557

CountryPatent NumberEstimated ExpirationSupplementary Protection CertificateSPC CountrySPC Expiration
Argentina 051653 ⤷  Try for Free
Argentina 110986 ⤷  Try for Free
Australia 2005227421 ⤷  Try for Free
Austria E368461 ⤷  Try for Free
Brazil PI0517238 ⤷  Try for Free
>Country>Patent Number>Estimated Expiration>Supplementary Protection Certificate>SPC Country>SPC Expiration
Showing 1 to 5 of 5 entries

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