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Preslava Dilkova has been working on EU regulatory compliance matters for five years. She provides legal advice, proposes strategies, and represents clients before the EU institutions, as well as national enforcement authorities.

Preslava focuses her practice on EU chemicals regulation, in particular on issues under the REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) Regulation — e.g., registration compliance, data-sharing negotiations, and disputes. She also has extensive experience in the area of biocides, pesticides, and general EU product safety (e.g., medical devices, waste, and cosmetics). She assists in the legal management of REACH, biocides, and food law consortia. Preslava was involved in litigations before the EU Courts in Luxembourg and the Board of Appeal of the European Chemicals Agency.

Preslava has recently provided legal support to one of the Firm's biggest clients in a complex REACH registration project, which was completed successfully. Prior to that, she coordinated an EU-wide strategy on product compliance and technical harmonization on behalf of another client.

Preslava has been a speaker at conferences in Bulgaria on REACH and general EU administrative law. In addition to her native Bulgarian, Preslava is fluent in English and has an advanced level of French.


  • UPL acquires Arysta LifeScience from Platform Specialty Products Corporation for $4.2 billionJones Day advised UPL Limited ("UPL"), a leading global generic agrochemical company based in India, in connection with its subsidiary, UPL Corporation Limited’s, US$4.2 billion acquisition and related $3 billion term financing of Arysta Lifescience Inc. (“Arysta”), a global provider of crop protection solutions, including bio-solutions and seed treatment, from NYSE listed Platform Specialty Products Corporation (“Platform”).
  • Arsenal Capital Partners sells IGM Resins to AstorgJones Day advised Arsenal Capital Partners (“ACP”) on the full shop auction of IGM Resins Cooperative U.A. and its group (“IGM”) to European private equity firm Astorg as the successful bidder.