Obtaining a patent for nanotechnology involves several steps: 1. Research: Conduct a thorough search to ensure the invention is novel and non-obvious. 2. Application: File a detailed patent application with the relevant patent office, describing the invention and its utility. 3. Examination: The patent office examines the application to determine if it meets the legal requirements. 4. Grant: If approved, the inventor is granted a patent, providing exclusive rights for a set period, typically 20 years from the filing date.