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Chemistry

Innovation in pharmaceutical compounds and small molecules, polymers, agrochemicals, materials science, and energy is shaping the future, and securing strong intellectual property protection is essential. At De Clercq & Partners, our chemistry team combines scientific expertise with deep patent knowledge, ensuring robust protection for groundbreaking discoveries.

Our European patent attorneys, many with PhDs and industry experience, provide strategic patent drafting, prosecution, opposition, and litigation support at the EPO and national offices. We collaborate closely with our engineering and life sciences teams, offering seamless IP solutions across disciplines.

We serve multinational companies, startups, research institutions, and SMEs, helping them navigate complex patent landscapes and maximize their IP’s value.

Our expertise in chemistry includes

  • Pharmaceuticals, Specialty Chemicals & Medicinal Chemistry
    Small molecules, drug formulations, cosmetics & skincare, and delivery systems.
  • Polymer & Material Science
    Expertise in polymers, coatings, adhesives, catalysis, composites, and advanced materials.
  • Food Technology & Agriculture
    Protecting innovations in food, food supplements, plant-based alternatives, agrochemical and biochemical innovations, water and soil chemistry.
  • Green & Sustainable Chemistry
    Bio-based materials, biodegradable materials, recycling technologies, green solvents, and carbon capture.
  • Electronics & Semiconductors
    Materials chemistry for semiconductors, batteries, displays, photonics, micro- & nanotechnology.
  • Construction & Water Purification
    Concrete additives, insulation materials, and wastewater treatment.
  • Chemical & Process Engineering
    Reactor engineering, purification and separation techniques, analytical chemistry, process chemistry, and printing technology.
De Clercq & Partners is the real diamond of European practices. The work is excellent, efficient, and has a lot of technical expertise to prosecute inventions in fields as diverse as life sciences and mechanical arts. It is truly the outfit of choice, especially for representing clients before the EPO.
IAM Patent 100 2025
With a strong track record in providing ‘diligence, availability and commitment,’ it is no wonder that De Clercq & Partners is heralded as the ‘go-to law firm for patent prosecution work in Europe’.
IAM Patent 100 2024
Sakina Bounaga and Caroline Hennin are striking litigators who bring invaluable academic prowess and specialist knowledge of science and technology to secure patrons’ business needs; they are making great strides where intellectual property meets organic, polymer and pharmaceutical chemistry.
IAM Patent 100 2024
De Clercq & Partners is one of the leading Belgian firms for patent protection and portfolio management work, particularly in the fields of biotechnology and chemistry.
Managing IP STARS Reviews 2024
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We help you secure your chemical inventions

Meet our experts in chemistry

David Lesthaeghe

ir. David Lesthaeghe, PhD

Junior Partner, European Patent Attorney, European Patent Litigator, Belgian Patent Attorney

Hans Goesaert

ir. Hans Goesaert, PhD

European Patent Attorney, European Patent Litigator, Belgian Patent Attorney

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Need expert guidance on patenting your chemical innovations? Reach out to our specialized team today.

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