A chemical patent attorney protects inventions in chemistry, pharmaceuticals, materials, and process engineering by translating lab results into enforceable patents. They run patentability and freedom-to-operate analyses, draft data-rich specifications, craft layered claim sets (composition, process, use), and prosecute applications before the USPTO and abroad via the PCT. They coordinate with R&D to capture embodiments, guard trade secrets, and align filings with regulatory milestones. When disputes arise, they evaluate infringement, defend validity before the PTAB, and negotiate licenses or settlements. With technical training plus legal expertise, a chemical patent attorney builds portfolios that attract investment and secure competitive advantage for clients.