Pierre Kihn (Assis)


Patent and Trademark Attorney



Languages: LU/EN/DE/FR

Qualifications - Education

European Patent Attorney
European Trademark & Design Attorney
Luxembourg IP Attorney (Conseil en Propriété Industrielle)

Chemical Engineer, UCL, Louvain-la-Neuve, Belgium
US High School Diploma

Practice Area

  • Patent drafting and prosecution
  • Patent Analyses and searches
  • Patent litigation and contracts
  • SPCs
  • Trademark issues
  • IP Audits
  • IP Valuation
  • Teaching / Seminars


Pierre KIHN after having spent one year in Kansas City (MO) USA as foreign exchange student, graduated as a chemical engineer from the University of Louvain, Belgium.

He joined the firm in 1992. He passed the European Qualifying Examination and is admitted to practice before the European Patent Office (EPO), the Luxembourg Patent Office (LPO), the European Union Intellectual Property Office (EUIPO)  in Alicante (ES) and the Benelux Trademark and Design Office (BOIP) and the WIPO. Pierre further represents clients before the Austrian, German, Belgium, French, UK and Irish Patent and Trademark Offices.

Since February 2009, he is the CEO of Office Freylinger.

Pierre handles the firm's patent work related in particular to the chemical, environmental, steelmaking, satellite communication, process engineering and mechanical field. He is further involved in a number of opposition proceedings and pleaded cases before Opposition Divisions and Board of Appeals of the European Patent Office. Pierre also coordinates infringement cases in the United States of America, in Canada, in the United Kingdom, in Germany and in Italy.

He is versed in preparing legal agreements in the IP-field, more specifically, secrecy agreements, cooperation and license agreements

He is also in charge of the Firm’s SPC cases, one of which was pleaded before the European Court of Justice.

Pierre regularly gives lectures on IP-Law subjects to bachelor and Master students at the University of Luxembourg as well as in an MBA course of ICN (Nancy, France).

Pierre is a co-author of the book "Intellectual Property in Luxembourg – Vademecum" published in French and in English by Promocultur-Larcier.

 Technical & Scientific Fields

  • Polymers
  • Chemistry
  • Biochemistry
  • Environmental sciences
  • Steelmaking, metallurgy and siderurgy
  • Satellite communication
  • Pharmaceuticals
  • Process engineering
  • Nuclear technology
  • Mechanics


ECTA (member of the Council and the Professional Affairs Committee), EPI (Institute of Professional Representatives before the European Patent Office), Member of the Disciplinary Committee EPI, UNION (president of the Luxembourg group), BMM, INTA, ITMA, MARQUES, AIPPI, FICPI, LES and FCPIL (Fédération des conseils en propriété industrielle au Luxembourg).