Ms. Worada Changtum is an intellectual property practitioner working in patent prosecution. She has an academic background in chemistry, which she applies in handling patent matters related to chemical subject matters. Her work includes supporting the preparation, filing, and maintenance of patent applications. She has attended the 2023 JPAA IP Practitioners Seminar organized by the Japan Patent Attorneys Association (JPAA), including sessions covering chemical patent drafting and responses to office actions.