Fabian Leimgruber LL.M., Partner
Dr. Fabian Leimgruber is a lawyer and senior patent attorney, who has earned an international reputation as litigator and prosecutor mainly in the fields of competition and antitrust law, software and business methods patenting, pharmaceutical and life science IP protection. He practices in an advisory and forensic role as a licensed attorney before various courts on all levels, the Opposition and Appeal Boards of the European Patent Office, as well as national and international arbitration courts.
Juris Doctor in comparative antitrust and competition law. Natural Science Doctor in Physics. Specialized expertise in (i) competition/antitrust law, pharmaceutical industry and reverse payment settlement agreements, (ii) protection of software, business model and artificial intelligence, (iii) information technology (IT), electrical engineering and telecommunications, (iv) nano-technology and bio-chemistry.
Esther S. Pyon, Associate
Clifford Chance US LLP
Esther Pyon is an associate in Clifford Chance’s U.S. antitrust practice in Washington, D.C. She advises clients on compliance with U.S. merger control laws, including the regulatory review of mergers and acquisitions and government investigations into anticompetitive conduct. She also advises clients on compliance with the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, and its related pre-merger notification filing requirements. Esther has also advocated on behalf of clients before the U.S. Federal Trade Commission and the U.S. Department of Justice.
Esther obtained her JD from American University Washington College of Law, cum laude, where she served as an articles editor for American University Law Review. She also obtained her MA in International Affairs from American University School of International Service and received her BA degree in Political Science and Sociology from the University of Michigan. Esther is admitted in New York and Washington, D.C. and speaks English and Korean.