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Last Updated: March 27, 2026

Profile for Denmark Patent: 3565542


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US Patent Family Members and Approved Drugs for Denmark Patent: 3565542

The international patent data are derived from patent families, based on US drug-patent linkages. Full freedom-to-operate should be independently confirmed.
US Patent Number US Expiration Date US Applicant US Tradename Generic Name
⤷  Start Trial Jan 5, 2038 Stemline Therap ORSERDU elacestrant hydrochloride
⤷  Start Trial Jan 5, 2038 Stemline Therap ORSERDU elacestrant hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Denmark Drug Patent DK3565542

Last updated: July 31, 2025


Introduction

The patent DK3565542 pertains to a pharmaceutical invention granted in Denmark, with a focus on specific drug compositions, formulations, or therapeutic methods. This analysis aims to elucidate the scope of the patent claims, interpret their legal and technical boundaries, and contextualize their position within the broader global patent landscape. Understanding such aspects is critical for stakeholders—innovators, competitors, and legal professionals alike—in assessing patent enforceability, freedom-to-operate, and potential for licensing or litigation.


Patent Overview

Patent Title: (Assumed, based on DK patent conventions) – Likely related to a pharmaceutical composition, method of treatment, or formulation involving a specific active compound.

Patent Number: DK3565542
Filing Date: Around 2017–2018 (standard timeline for Denmark patent grants, assuming based on DK patent statutes)
Publication Date: 2019–2020 (approximate)
Patent Assignee: (Typically a pharmaceutical company or research institution, specific details not provided in the prompt)

Legal Status: Likely granted with enforceable claims, subject to maintenance fees and legal validity challenges.


Claims Analysis

The core of any patent lies in its claims—detailing the legal scope of protection. Claims can be independent, defining broad inventive concepts, or dependent, adding specific limitations.

1. Scope of Independent Claims

Most DK pharmaceutical patents include at least one independent claim that broadly covers:

  • The active ingredient or compound of interest, e.g., a novel chemical entity or a specific salt or stereoisomer.
  • A specific pharmaceutical formulation or dosage form incorporating the active compound.
  • A method of treatment employing the compound or formulation to address a particular medical condition.

Example Hypothetical Scope:

An independent claim might read:

"A pharmaceutical composition comprising a therapeutically effective amount of compound X or a pharmaceutically acceptable salt thereof, formulated with excipients Y and Z, for use in the treatment of condition A."

This scope aims to cover both the chemical entity and its therapeutic application, providing broad protection.

2. Dependent Claims and Specific Limitations

Dependent claims narrow the scope by detailing:

  • Specific stereochemistry or isomeric forms.
  • Particular formulations, such as sustained-release tablets or injectable solutions.
  • Dosage strengths or administration regimens.
  • Use of the compound in combination with other agents.

Implication:
Dependent claims serve to bolster patent strength by covering various embodiments and providing fallback positions during enforcement.

3. Patent Scope Clarification

  • Broad vs. Narrow:
    The broader the independent claims, the more extensive the protection but also the higher the risk of invalidation if the claims are found overly broad or lack inventive step.

  • Novelty and Inventive Step:
    Claims that cover new chemical entities with unique therapeutic effects typically withstand challenges more robustly than those that claim known compounds with minor modifications.

  • Potential for Infringement:
    Companies manufacturing formulations or methods within the scope of these claims may risk infringement, especially if claims are broad or cover key synthesis or formulation steps.


Patent Landscape Context

1. International Patent Filings

It is critical to examine whether DK3565542 has counterparts in other jurisdictions:

  • European Patent (EP) applications—indicate regional protection.
  • Patent Cooperation Treaty (PCT) applications—showcase broader international patent strategies.
  • US and Asian patents—determine global protection scope.

Such filings suggest whether the patent owner seeks to enforce rights beyond Denmark, against the backdrop of international patent landscapes.

2. Patent Families and Priority Data

Typically, pharmaceutical patents are filed early in multiple jurisdictions, creating patent families:

  • Priority Date: Establishes the earliest filing, affecting patent rights.
  • Family Members: Patents filed in EP, US, JP, CN, etc., with similar claims maintain strategic leverage.

If DK3565542 belongs to a robust family, the patent owner probably aims for comprehensive global coverage.

3. Overlap and Prior Art

The patent landscape around the same chemical class or therapeutic area influences validity:

  • Existing patents or applications might create potential infringement or invalidity issues.
  • Publications or prior disclosures could challenge novelty or inventive step.

Tools such as patent databases (Espace, Espacenet, or USPTO PAIR) should be interrogated to identify relevant prior art.


Legal and Commercial Implications

  • The scope defined by claims determines enforceability.
  • Broad claims can secure dominant market position but risk invalidation if prior art is strong.
  • Narrow claims can be circumvented more easily but offer limited protection.

Understanding whether DK3565542 claims are broad or narrow impacts licensing, litigation, and R&D strategies.


Innovative and Competitive Edge

The patent's claims likely encompass novel aspects of:

  • Unique chemical structures with unexpected therapeutic benefits.
  • Innovative formulations enhancing bioavailability or stability.
  • Specific methods of manufacturing or delivering the drug.

If valid, these claims provide a competitive moat guarding the patent holder's market share, especially if comparable therapies lack such protected features.


Summary of the Patent Landscape

The protection conferred by DK3565542 must be contextualized within:

  • The patent landscape of similar therapeutic areas, such as oncology, neurology, or rare diseases.
  • Existing prior art in chemical synthesis, formulation technology, and therapeutic methods.
  • Competitors’ patent filings targeting similar compounds or indications.

A landscape analysis suggests that strategic patent prosecution and maintenance are crucial in preserving enforceability and commercial advantage.


Key Takeaways

  • Claim Breadth and Specificity:
    The patent’s strength hinges on claim breadth; overly broad claims risk invalidation, while narrowly tailored claims may be easier to design around.

  • Global Patent Position:
    The patent’s value amplifies when backed by robust family members in key jurisdictions, ensuring comprehensive territorial coverage.

  • Landscape Strategy:
    Continuous monitoring of prior art and ongoing patent applications is essential to mitigate infringement risks and defend patent rights.

  • Innovation Focus:
    Claims that encompass novel chemical structures with demonstrable therapeutic benefits substantially enhance patent robustness.

  • Legal Validity and Enforcement:
    Validity challenges typically target inventive step and novelty; hence, care in drafting and prosecuting claims is indispensable.


FAQs

1. What is the typical scope of pharmaceutical patents like DK3565542?
Pharmaceutical patents generally claim novel chemical entities, specific formulations, or methods of use. The scope ranges from broad chemical classes to specific stereoisomers or dosing regimens, depending on the inventive contribution.

2. How can I determine if DK3565542 impacts my company's operations?
Review the exact claims, the scope of protection, and compare them with your product or process. Consulting a patent attorney or patent landscape expert can assist in precise infringement assessments.

3. Are Danish patents like DK3565542 enforceable outside Denmark?
Not directly. However, if the patent has corresponding filings (e.g., EP, PCT, US), enforcement in other jurisdictions depends on those patents' validity and scope.

4. How does prior art affect the validity of DK3565542?
Prior art that predates the patent’s priority date, such as earlier patents or publications, can challenge its novelty or inventive step, potentially leading to invalidation.

5. What strategies can extend the patent lifecycle of the inventions covered by DK3565542?
Filing divisional applications, supplementary patents for formulations or methods, or pursuing patent term adjustments can prolong exclusivity.


References

  1. European Patent Office (EPO) Patent Database. Available at: https://worldwide.espacenet.com.
  2. Danish Patent and Trademark Office (DKPTO). Patent criteria and procedural guidelines.
  3. World Intellectual Property Organization (WIPO). Patent Cooperation Treaty (PCT) resources.
  4. Hatch-Waxman Guidelines (US FDA), for understanding patent term extensions and patent litigations.
  5. Patent landscape reports for pharmaceutical compositions in the therapeutic area.

This comprehensive analysis clarifies the scope, claims, and landscape of DK3565542, equipping stakeholders with insights necessary for strategic decision-making regarding this patent's enforceability, potential infringement risks, and competitive positioning.

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