Leading practitioners
Ann De Clercq, PhD
European Patent Attorney
Belgian Patent Attorney
Founding Partner
Ann De Clercq holds a Licentiate in Biology (Zoology) and PhD in Plant Molecular Biology from the University of Ghent, Belgium at the Laboratory of Genetics, Department of Plant Molecular Biology (under supervision of Prof. Van Montagu and Prof. Joel Vandekerckhove) carried out in collaboration with Plant Genetic Systems (PGS). After her PhD she worked as a substantive examiner at the European Patent Office in Munich, Germany. She afterwards headed the Patent Department of Innogenetics NV (Belgium), a biotech company active in human healthcare. She is a qualified Belgian (2000) and European Patent Attorney (1995).
End 1998, she founded Ann De Clercq & Co BVBA, a private practice patent attorney firm which, in its turn, founded De Clercq Brants & Partners CVBA in 2000. This firm was renamed De Clercq & Partners CVBA as from January 2010.
Her areas of practice include:
Drafting, filing and prosecution of European and PCT patent applications
Drafting and prosecution of national patent applications
Drafting, filing and prosecution of Belgian patent applications as a qualified Belgian Patent Attorney
Oppositions and appeal proceedings before the EPO
Oral proceedings before the EPO in examination and opposition and before the Boards of Appeal
Validations of European patents in Belgium as a qualified Belgian Patent Attorney
Filing and prosecuting SPC’s in Belgium and advising on SPC’s in general
Legal IP advice on Belgian Patents
Acting as an expert for the Belgian courts or parties in descriptive seizure proceedings
Acting as an expert in litigation before Belgian civil courts or parties in intellectual property matters
IP litigation experience in Belgium, the Netherlands, United Kingdom and Japan
Opinions regarding patentability, freedom-to-operate, infringement and validity of intellectual property rights
lP due diligence
Portfolio management, advice and strategy
General strategic and legal advice in IP matters
Ann is the Chairwoman of the Biotech Committee of the Institute of Professional Representatives before the European Patent Office (EPI) and an EPI Council Member for Belgium.
Ann is further a member of LES, AIPPI and the ”Genootschap voor Intellectuele Eigendom” (Society for Intellectual Property in Flanders).
Ann has lectured on several IP related topics, at conferences (such as C5 and IBC), the Vlerick Leuven Gent Management School, the University of Antwerp and the Free University of Brussels, and is also a lecturer at the CEIPI courses (KVIV in Antwerp) for patent attorney trainees and patent paralegals.
Languages
Ann is a native Dutch speaker and is very fluent in English and fluent in French and German.
Competences
Ann has extensive patent practice experience in all fields of biotechnology and related life sciences as well as mechanical engineering inventions. For instance Ann has worked in the fields of biochemistry, molecular and cellular biology, biopharmaceuticals and chemistry. She has particular knowledge and expertise in the area of recombinant microorganisms, genetically modified plants and animals, protein chemistry, stem cells, regenerative cell therapy, genome editing, diagnostic assays, proteomics, biomarkers, diagnostics including nucleic acid- and protein-based diagnostic and screening assays, pharmaceuticals, food processing, medical kits, veterinary products and others.
Joost Muylle
Benelux and European Trademark and Design Attorney
Partner
Joost Muylle holds a master degree in chemical and biotechnology engineering from the University of Ghent (Howest, 1986) with additional training in intellectual property (EPI CEIPI, 1990 — University of Leuven, 1993) and management (Vlerick Leuven Ghent Management School, 2008). He started his professional career at the Vandemoortele Group, first as a patent expert, subsequently in charge of intellectual property rights and finally as a member of the strategic committee on product and market development.
He qualified as a European Trademark and Design attorney in 1996.
Prior to joining De Clercq & Partners, Joost joined the intellectual property private practice in 1999 as director of Gevers & Partners in Brussels, opened its branch office in Ghent and was appointed managing director in 2003. He was operational director at Novagraaf in Paris from 2010 to 2011 and founded iprmanager in December 2011. Through iprmanager, he developed and launched an electronic platform enabling intellectual property holders and their counselors to monitor and manage their intellectual property rights themselves, in real-time and in a reliable, transparent and most affordable manner. In 2012, Joost was appointed consular judge in the Court of Commerce.
In October 2013, Joost became a partner at De Clercq & Partners through the merger of De Clercq & Partners and iprmanager. Joost is heading the trademark, design, domain names and copyright activities of De Clercq & Partners.
His areas of practice include:
Joost advises small, medium and large corporations as well as individuals, institutes and investors with regard to prosecution and litigation in all areas of intellectual property worldwide. He has extensive expertise in trademark and design prosecution, including formal proceedings before the Benelux Office for Intellectual Property and the European Union Intellectual Property Office (EUIPO), in anti-counterfeiting through customs measures and in IP due diligence. Joost often acts as a court appointed or party appointed expert in IP matters in litigation.
Joost often lectures on several IP related topics, at conferences and universities. He is a member of BMM and AIPPI.
Languages
Joost is a native Dutch speaker, is fluent in English and French and has working knowledge of German.
Competences
Joost has scientific experience in various fields of technology, including biochemistry and food technology, in legal aspects of intellectual property, particularly trademarks and designs, and in product and service development in various areas of intellectual property.
Liesbet Paemen,PhD
European Patent Attorney
Partner
Liesbet Paemen holds a PhD in Animal Biology from the University of Leuven, Belgium. She has several years of post-doctoral experience at the Department of Neuroimmunology at the State University of New York and at the Department of Molecular Immunology of the REGA Institute (University of Leuven, Belgium).
Prior to joining De Clercq & Partners in 2008, Liesbet worked as a patent counsel in the Intellectual Property Department of Bayer Cropscience NV and headed the biotech IP department in the firm Bird Goe'n & Co. In 2010, Liesbet became a partner to the firm and she is heading the Leuven Branch of the firm. She is a qualified European Patent Attorney.
Her areas of practice include:
Analysis of patentability
Drafting, filing and prosecution of European and PCT patent applications and national patent applications
Oppositions and appeal proceedings before the EPO
Oral proceedings before the EPO in examination and opposition and before the Boards of Appeal
Opinions regarding freedom-to-operate, infringement and validity of intellectual property rights
Acting as an independent expert for the Belgian courts in descriptive seizure proceedings
Acting as an expert in litigation before Belgian civil courts in intellectual property matters
Portfolio management, advice and strategy
General strategic and legal advice in IP matters
Liesbet often lectures on several lP related topics at conferences and is a lecturer at the University of Leuven and the CEIPI course (KVIV in Antwerp). She is a member of LES and AIPPI.
Languages
She is a native Dutch speaker and English speaker, is fluent in French, and has knowledge of German and Spanish.
Competences
Liesbet has experience in handling intellectual property issues in different fields including medical devices, biomedical, agricultural and industrial biotechnology, biologics, cellular therapy, genome editing, screening systems and diagnostic methods, and renewable energy.
Sakina Bounaga, PhD
European Patent Attorney
Partner
Sakina Bounaga holds a PhD in Bioorganic Chemistry from the University of Huddersfield, UK. She has a Master of Advanced Studies in Chemistry of Biomolecules from the University of Montpellier, France, and holds a Master in Plant Chemistry and Biology from the University of Perpignan, France. She was a Senior Scientist and Project Leader at Cropdesign N.V., a leading Belgian biotech company.
Sakina joined De Clercq & Partners in 2001 and qualified as a European Patent Attorney in 2006. She became a partner in 2010.
Her areas of practice include:
Drafting, filing and prosecution of European and PCT patent applications
Drafting and prosecution of national patent applications
Oppositions and appeal proceedings before the EPO
Oral proceedings before the EPO in examination and opposition and before the Boards of Appeal
Opinions regarding patentability, freedom-to-operate, infringement and validity of intellectual property rights
IP due diligence and advice on licenses and IP acquisitions
Portfolio management, advice and strategy
General strategic and legal advice in IP matters
She often lectures at conferences and is a member of LES and AIPPI.
Languages
Sakina is a native French speaker, is fluent in English, and has a working knowledge of Dutch and German.
Competences
Sakina has a scientific experience in various fields of technology including chemistry, life sciences, material sciences, as well as mechanical engineering inventions, and in particular in organic and inorganic chemistry, polymer chemistry, pharmaceutical chemistry, agrochemistry, food processing, molecular and cellular biology, biochemistry and biotechnology.
Andrej Michall’k, PhD
Partner
European Patent Attorney
Andrej holds a Master of Science degree in Chemistry and Biochemistry from Comenius University in Bratislava, Slovak Republic, and a PhD in Molecular Genetics from the University of Antwerp, Belgium, under the supervision of Prof. Christine Van Broeckhoven (Flemish Interuniversity Institute for Biotechnology,VIB).
He joined De Clercq & Partners in 2004 and qualified as a European Patent Attorney in 2008. In 2017, Andrej became partner to the firm.
His areas of practice include:
Drafting, filing and prosecution of European and PCT patent applications
Drafting and prosecution of national patent applications
Oppositions and appeal proceedings before the EPO
Oral proceedings before the EPO in examination and opposition and before the Boards of Appeal
Opinions regarding patentability, freedom-to-operate, infringement and validity of intellectual property rights
IP due diligence and advice on licenses and IP acquisitions
Portfolio management, advice and strategy
General strategic and legal advice in IP matters
Andrej often lectures at conferences and is a member of LES and AIPPI.
Languages
He is a native Slovak speaker, is very fluent in English, fluent in Dutch and Czech, and has a working knowledge of German.
Competences
Biotechnology, biochemistry, molecular and cellular biology, biopharmaceuticals and chemistry. He has particular knowledge and expertise in the area of recombinant microorganisms, genetically modified plants and animals, stem cells, regenerative cell therapy, in vitro cell-based assays, proteomics, peptides, glycoproteins, biomarkers, genome editing, diagnostics including nucleic acid— and protein—based diagnostic and screening assays, immune cell therapy, vaccines, organic chemistry and pharmaceuticals, food processing and personal care products.
Koen Vanhalst, PhD
Partner
European Patent Attorney
Belgian Patent Attorney
Koen Vanhalst holds a PhD in Biotechnology from the University of Ghent (Belgium), at the Department of Molecular Biomedical Research, Molecular Cell Biology Unit under Prof. Dr. F. Van Roy of the Flemish Interuniversity Institute for Biotechnology (VIB).
Prior to joining De Clercq & Partners in 2007, Koen worked for 4 years as an Examiner in the European Patent Office — The Hague Branch where he was involved in both Search and Substantive Examination of patent applications in the field of Biotechnology in general and Medical Diagnostics in particular. He qualified as a European Patent Attorney in 2009 and qualified as a Belgian Patent Attorney in 2011. In 2017, Koen became partner to the firm.
His areas of practice include:
Drafting, filing and prosecution of European and PCT patent applications
Drafting and prosecution of national patent applications worldwide
Oppositions and appeal proceedings before the EPO
Oral proceedings before the EPO in examination and opposition and before the Boards of Appeal
Drafting, filing and prosecution of Belgian patent applications as a qualified Belgian Patent Attorney
Validations of European patents in Belgium as a qualified Belgian Patent Attorney
Filing and prosecuting SPC's in Belgium and advising on SPC’s in general
Legal IP advice on Belgian Patents
Acting as an expert for the Belgian courts or parties in descriptive seizure proceedings
Acting as an expert in litigation before Belgian civil courts or parties in intellectual property matters
Opinions regarding patentability, freedom-to-operate, infringement and validity of intellectual property rights
IP due diligence
Portfolio management and general strategic and legal advice in IP matters
Koen often lectures at conferences and is a member of LES and AIPPI, and is a council member of AIPPI Belgium. Since 2015, Koen is also a guest professor at Ghent University where he lectures Intellectual Property to Master students in (PIant)BiotechnoIogy.
Languages
Koen is a native Dutch speaker. He is also very fluent in English and French and has a working knowledge of German.
Competences
Koen is active in all areas of life sciences including for example: biotechnology, industrial biotechnology,chemistry, biochemistry, molecular biology, genome editing, pharmaceutical formulations, medical technologies, bioinformatics, agricultural- food- and nutritional technologies, green energy, clean-tech, and water-, soil- and waste treatment.
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