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Last Updated: June 14, 2025

World Intellectual Property Organization (WIPO) Drug Patents


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Drug Patents in World Intellectual Property Organization (WIPO) and US Equivalents

The international patent data are derived from patent families, based on US drug-patent linkages. Full freedom-to-operate should be independently confirmed.
Patent Number Estimated Expiration Equivalent US Patent US Expiry Date Generic Name US Applicant US Tradename
9100282 ⤷  Try for Free 5034394 2012-06-18 abacavir sulfate Viiv Hlthcare ZIAGEN
9100282 ⤷  Try for Free 5089500 2009-12-26 abacavir sulfate Viiv Hlthcare ZIAGEN
9852570 ⤷  Try for Free 6294540 2018-11-14 abacavir sulfate Viiv Hlthcare ZIAGEN
9852571 ⤷  Try for Free 6294540 2018-11-14 abacavir sulfate Viiv Hlthcare ZIAGEN
9852949 ⤷  Try for Free 6294540 2018-11-14 abacavir sulfate Viiv Hlthcare ZIAGEN
>Patent Number >Estimated Expiration >Equivalent US Patent >US Expiry Date >Generic Name >US Applicant >US Tradename

Navigating Patentability, Enforceability, and Claim Scope for Biopharmaceuticals at WIPO

Introduction

The World Intellectual Property Organization (WIPO) plays a crucial role in the global intellectual property landscape, particularly for biopharmaceutical companies. Understanding the nuances of patentability, enforceability, and the scope of claims is essential for these companies to protect their innovations and ensure access to medicines.

Patentability of Biopharmaceutical Inventions

Clear Definition of the Invention

When drafting patent claims for biopharmaceutical inventions, it is vital to clearly define the core innovation. This involves articulating the problem the invention solves and how it does so uniquely. For example, if the invention is a new genetic modification technique, the specific steps, tools, and outcomes that differentiate it from existing methods must be clearly outlined[3].

Detailed Description

A thorough and detailed description of the invention is essential. This includes explaining the biological materials, methods, processes, and outcomes in detail. Using clear and simple language ensures that the invention is easily understood by patent examiners and legal professionals. This detailed description supports the claims and ensures the patent application is robust and defensible[3].

Prior Art Search

Conducting a thorough prior art search is crucial to demonstrate the novelty and non-obviousness of the invention. This step helps in identifying existing patents and publications that could impact the patentability of the biopharmaceutical invention[3].

Enforceability of Biopharmaceutical Patents

Precision in Claims

Biopharmaceutical patent claims must be precise and avoid unnecessary breadth. Ambiguous or overly broad claims can lead to rejections or challenges, weakening the patent’s enforceability. Claims should be supported by the detailed description and clearly articulate the novel and non-obvious features of the invention[3].

Compliance with International Standards

The new WIPO Treaty on Intellectual Property, Genetic Resources, and Traditional Knowledge introduces disclosure requirements that could impact the enforceability of biopharmaceutical patents. Failure to comply with these requirements, particularly if done with fraudulent intent, can lead to sanctions or remedies. However, non-compliance due to genuine oversight does not invalidate the patent[4].

Addressing Potential Challenges

Ensuring that claims are fully supported by the detailed description is crucial for demonstrating the novelty and non-obviousness of the invention. This support is essential for addressing potential challenges and ensuring the patent remains enforceable[3].

Scope of Claims for Biopharmaceuticals

Broad and Narrow Claims

Biopharmaceutical patent claims should be structured hierarchically, starting with broad claims that capture the general inventive concept and followed by narrower, dependent claims that add specific details and limitations. For instance, a broad claim for a genetic modification technique might be followed by dependent claims specifying the use of CRISPR-Cas9 technology or the enhancement of drought resistance[3].

Linking Claims to Technical Details

Each claim must be clearly linked to the technical details and examples provided in the description. This linkage ensures that the claims are supported and that the patent application is robust and defensible. For example, if a claim involves a specific biological material, the description should detail how this material is used and its significance in the invention[3].

Access to Patent Information: Pat-INFORMED

Facilitating Access to Medicine Patent Information

The Pat-INFORMED initiative, a collaboration between WIPO and the research-based pharmaceutical industry, provides a global gateway to medicine patent information. This initiative helps health agencies and procurement experts by linking public patent information to registered medicines. Anyone can search the Pat-INFORMED database using a medicine's International Nonproprietary Name (INN) to obtain relevant patent status information in a particular country[1][5].

Improving Procurement Efficiency

Pat-INFORMED not only provides patent information but also offers a communication channel for follow-up inquiries with participating companies. This facility can improve the efficiency of procurement processes by reducing the time and resources needed to navigate patent issues[1][5].

International Considerations and Variations

Genetic Resources and Traditional Knowledge

The new WIPO Treaty integrates patents with sustainability and includes provisions related to genetic resources (GRs) and traditional knowledge (TK). Inventions based on GRs are eligible for patent protection, but the treaty imposes disclosure requirements that could vary by country, leading to potential inconsistencies and litigation risks[4].

National Variations in Disclosure Requirements

The treaty allows for national variations in the application of disclosure requirements, particularly the expression “based on” genetic resources. This could lead to increased litigation risks and burdens on patent applicants, especially in the biotech, pharma, and related sectors[4].

Key Takeaways

  • Clear and Precise Claims: Biopharmaceutical patent claims must be clear, precise, and supported by detailed descriptions to ensure enforceability.
  • Compliance with International Standards: Adhering to disclosure requirements and other provisions of international treaties is crucial for maintaining the validity and enforceability of patents.
  • Access to Patent Information: Initiatives like Pat-INFORMED facilitate access to medicine patent information, improving procurement efficiency and transparency.
  • International Considerations: National variations in disclosure requirements and other international standards can impact the patentability and enforceability of biopharmaceutical inventions.

FAQs

What is the purpose of the Pat-INFORMED initiative?

The Pat-INFORMED initiative aims to facilitate easy access to medicine patent information, helping health agencies and procurement experts navigate the patent status of medicines more efficiently[1][5].

How do biopharmaceutical companies ensure the enforceability of their patents?

Biopharmaceutical companies ensure the enforceability of their patents by drafting precise and supported claims, conducting thorough prior art searches, and complying with international standards and disclosure requirements[3][4].

What are the implications of the new WIPO Treaty on biopharmaceutical patents?

The new WIPO Treaty introduces disclosure requirements related to genetic resources and traditional knowledge, which could impose significant burdens on patent applicants and lead to inconsistencies and litigation risks[4].

How can biopharmaceutical companies balance scientific detail with legal precision in patent claims?

Companies can balance scientific detail with legal precision by clearly defining the invention, providing detailed descriptions, and ensuring that claims are supported by technical details and examples[3].

What role does WIPO play in facilitating access to medicine patent information?

WIPO hosts the Pat-INFORMED database, which provides a global gateway to medicine patent information, and collaborates with the research-based pharmaceutical industry to make this information accessible to health agencies and procurement experts[1][5].

Sources

  1. WIPO and the Research-Based Pharmaceutical Industry Team up to Facilitate Access to Key Medicine Patent Information. WIPO, October 3, 2017.
  2. Intellectual Property Rights and Pharmaceuticals. WIPO.
  3. How to Draft Patent Claims for Biotech Inventions. PatentPC.
  4. New WIPO Treaty integrates patents with sustainability, poses challenges. Rouse, May 27, 2024.
  5. Pat-INFORMED – The Gateway to Medicine Patent Information. WIPO.
Last updated: 2024-12-17

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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.