What is the process to apply for a patent in the United States? Your response should contain at least 3 placeholders represented by square brackets, such as [address]. The response must have 3 paragraphs. Paragraphs are separated with the markdown divider: ***. Highlight at least 2 sections in your answer with markdown, i.e. *highlighted section*. At the end of your response, please explicitly add a postscript starting with P.S. Include keywords [patent, application, examination, fee, office] in the response. In your response, the word *process* should appear at least 2 times.
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