Of Counsel

Bruxelles + 32.2.645.14.53

Preslava Dilkova advises on EU regulatory compliance cases, focusing on EU chemicals regulation, including REACH (Registration, Evaluation, Authorization and Restriction of Chemicals), the CLP Regulation (classification, labelling, and packaging), and the Biocidal Products Regulation.

For nearly a decade, Preslava has counseled on all aspects of REACH (registrations, compliance checks and substance evaluation cases, authorizations, and restrictions). She is closely involved in the management of several REACH registration and authorization consortia ranging from three to 280 participants. She also regularly advises on the Biocidal Products Regulation (product authorization, active substance renewal approval procedure, inclusion into the Article 95 BPR List, derogations under Article 55(1) BPR) and the CLP Regulation (classification issues of multi-constituent mineral substances), as well as litigating cases before the European Chemicals Agency (ECHA) Board of Appeal.

In the EU product law area, Preslava's practice covers product recalls related to food, food contact materials, plastics, packaging, electronics, medical devices, construction products, and waste and recycling. Preslava's extensive experience also includes advising on occupational health and safety issues, general product safety, product liability, EU standardization, and technical harmonization.

In the leading independent legal directory, The Legal 500 Europe, Middle East & Africa (EMEA), 2022 edition, clients reported: "Ursula Schliessner and Preslava Dilkova work well together as a team of specialists always giving the right guidance."


  • STERIS acquires Cantel Medical for $3.6 billionJones Day advised STERIS plc in its acquisition of Cantel Medical Corp, a global provider of infection prevention products and services primarily to endoscopy and dental customers, for $3.6 billion.
  • International chemicals producer conducts internal auditJones Day is advising an international chemicals producer in conducting a multi-national internal antitrust audit.
  • 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.