Generate a full detail guide for entrepreneurs on protecting their intellectual property. The guide must explain complex legal topics in simple, clear terms. It must include detailed sections on: 1. Trademarks: What they are and how to protect your brand name and logo. 2. Copyrights: How to protect your creative works like software, content, and designs. 3. Patents: A brief overview of what is patentable. 4. The importance of contracts and NDAs. Please include a strong disclaimer to consult with an IP attorney.