Applying for a patent involves several steps: 1. Determine Patentability: Ensure your invention is novel, non-obvious, and useful. 2. Conduct a Patent Search: Research existing patents to ensure your invention is unique. 3. Prepare Application: Draft a detailed description of your invention, including claims, drawings, and specifications. 4. File Application: Submit your application to the USPTO online or by mail. 5. Examination: The USPTO reviews your application, which may involve multiple rounds of examination and correspondence.