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Patricia Ledrut

French Patent Attorney

European Patent Attorney


  • - Post-graduate degree in Industrial Property law at CEIPI Patents, Trademarks and Designs (Strasbourg University) – 2009
  • - Graduate Engineer of Institut Catholique des Arts et Métiers ICAM (Toulouse) – 2008

Practice description

Patricia began her career with CASALONGA & ASSOCIÉS in 2009.

She is involved mainly in obtaining and defending patent rights, in particular in writing patent applications and exchanging with the offices during examination and opposition procedures. She also realizes some prior art researches and patentability studies.

She also gives opinions on freedom to operate cases, studies the validity of claims of some patents, and handles litigations.

She specializes in a variety of technical disciplines such as mechanical engineering, mechanical design, materials, thermodynamics.

Professional organisations

Patricia Ledrut is member of the French Patent and Trademark association (CNCPI “Compagnie Nationale des Conseils en Propriété Industrielle”) and of the European Patent Institute (epi).


French, English, German, Polish