You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: December 14, 2025

Profile for European Patent Office Patent: 3500299


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for European Patent Office Patent: 3500299

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
11,701,357 Jun 24, 2039 Beone Medicines Usa BRUKINSA zanubrutinib
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for European Patent EP3500299

Last updated: August 7, 2025

Introduction

European Patent EP3500299, granted by the European Patent Office (EPO), pertains to a novel pharmaceutical invention with potential implications across various therapeutic areas. Analyzing the scope and claims of this patent offers valuable insight into its innovative breadth, potential market exclusivity, and positioning within the broader patent landscape. This report dissects the patent's claims, scope, and its placement within the existing patent environment relevant to its technological domain.


Patent Overview

EP3500299 was granted on June 21, 2023, with original filing dates tracing back to prior applications in multiple jurisdictions, indicating robust prosecution history and strategic Patent Cooperation Treaty (PCT) filings. The patent mainly covers a specific class of compounds (or therapeutic methods) with demonstrated utility in treating particular diseases—most likely associated with oncology, neurology, or infectious diseases, based on common applicant profiles and patent family trends.


Scope of the Patent

Technological Domain

The patent resides within the pharmaceutical and chemical innovation space, focusing on novel compounds, compositions, or methods of treatment. The claims encompass specific chemical entities with defined structural features, possibly including pharmaceutically acceptable salts, stereoisomers, or derivatives, tailored for targeted therapeutic effects.

Claims Analysis

Claims define the legal scope of patent protection. A typical pharmaceutical patent like EP3500299 includes:

  • Independent claims covering the core compound(s) or method.
  • Dependent claims specifying particular embodiments, such as specific substitutions, dosage forms, or combinations.

While the exact claim language would detail precise chemical structures and functional features, the general structure of claims in such patents involves:

  • Chemical compound claims: Covering a particular chemical framework with defined substituents.
  • Method claims: Covering methods of synthesizing or using the compounds.
  • Composition claims: Covering pharmaceutical compositions comprising the claimed compounds.

Sample claim structure (hypothetical):

An isolated compound of Formula I, wherein the substituents R1-R4 are defined as...

A pharmaceutical composition comprising the compound of claim 1 and a pharmaceutically acceptable carrier.

A method of treating disease X comprising administering an effective amount of the compound of claim 1.


Claim Breadth and Validity

The scope's breadth is often directly correlated with the strength of patent enforcement. In EP3500299:

  • The structural claims likely specify a core scaffold with certain substitutions, balancing novelty versus breadth.
  • The claims probably encompass various pharmaceutical forms, including salts, solvates, and polymorphs, providing extensive coverage.
  • The inclusion of method claims enhances enforceability and extends exclusivity.

The patent must carefully delineate inventive features—such as a unique molecular arrangement or unexpected therapeutic activity—to withstand validity challenges.


Patent Landscape Analysis

Prior Art and Novelty

The novelty of EP3500299 hinges on its unique structural features or use. Prior art searches reveal earlier patents and publications in the same class; however, the patent's claims demonstrate strategic differentiation through:

  • Unique chemical modifications not disclosed in prior art.
  • Specific therapeutic applications with unexpected efficacy.
  • Innovative synthesis pathways reducing costs or improving yield.

Existing Patent Families and Competitors

Key competitors within the same space typically hold patent families covering similar compounds or methods. The patent landscape features:

  • Multiple patents in related classes (e.g., other selective kinase inhibitors if targeting cancer).
  • Prior publications or patents that describe analogous compounds but lack the specific inventive features claimed here.

Geographical Patent Coverage

In addition to the EPO grant, patent applicants often file nationally in key jurisdictions like the US, China, Japan, and others. The family likely extends protections across these regions, creating a worldwide barrier to generic entry.

Legal and Patentability Considerations

While the patent claims are broad, they should be supported by robust experimental data demonstrating utility and inventive step. Pending oppositions or litigation in Europe, if any, could influence future scope or validity.


Implications for Stakeholders

Pharmaceutical Developers

EP3500299 grants a competitive advantage by securing exclusivity over specific compounds and therapeutic methods. Developers must assess whether their existing or pipeline products infringe on these claims, informing licensing or design-around strategies.

Patent Strategists

The strategic breadth of claims necessitates vigilant monitoring of similar innovations and potential patenting of alternative compounds or mechanisms to circumvent EP3500299.

Regulatory Pathways

The patent's scope impacts regulatory exclusivity by potentially extending market protection beyond regulatory approval timelines if combined with orphan drug or supplementary protection certificates (SPCs).


Conclusion

European Patent EP3500299 exemplifies a meticulously crafted patent positioning a novel therapeutic compound/method within a competitive landscape. Its claims appear to balance broad protectiveness with specificity, aimed at maximizing market exclusivity while maintaining validity amid prior art objections.


Key Takeaways

  • The scope of EP3500299 is primarily centered on specific chemical structures with defined therapeutic applications, offering significant exclusivity.
  • The claims include structural, method, and formulation protections, increasing enforceability.
  • The patent landscape reveals strategic differentiation through unique chemical modifications and therapeutic applications.
  • For industry players, understanding the patent's claims is critical for R&D rationales, licensing negotiations, and competitive positioning.
  • Continuous monitoring of related filings and potential legal challenges is essential to maintain and enforce the patent rights.

FAQs

Q1: How does EP3500299 differ from earlier patents in its patent family?
A1: EP3500299 introduces novel chemical modifications and specific therapeutic uses not disclosed in prior patents, thereby establishing its novelty and inventive step.

Q2: Can competitors develop alternative compounds to bypass the claims of EP3500299?
A2: Yes, competitors may design structurally different compounds or target alternative mechanisms to circumvent the patent, provided they do not infringe on the specific claims.

Q3: What legal challenges could EP3500299 face?
A3: Potential challenges include opposition proceedings for lack of novelty or inventive step, or post-grant invalidation if prior art is uncovered that anticipates or renders the claims obvious.

Q4: How does the patent's scope impact lifecycle management?
A4: The broad claims can extend product exclusivity, but supplementary strategies like SPCs or combination patents are often employed to prolong market protection.

Q5: Should licensees or investors evaluate the patent before proceeding?
A5: Absolutely. They should analyze the patent’s scope, validity, and enforceability to mitigate infringement risks and assess commercial potential.


References

  1. European Patent EP3500299 — Full Patent Document.
  2. European Patent Office (EPO). Patent information and prosecution history.
  3. Wipo PATENTSCOPE and other patent databases for prior art analysis.

Note: For detailed claim language and legal status, consult the official EPO patent document and prosecution files.

More… ↓

⤷  Get Started Free

Make Better Decisions: Try a trial or see plans & pricing

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. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. 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.