Hello! Welcome to the sixth and final lesson in our module on "Legal and Ethical Foundations."
In our last lesson, we focused on drafting disclaimers for your advice-based books and disclosing your use of AI. This was about protecting yourself and being transparent with your readers. Today, we'll address another common legal question that authors face, especially when writing about real-world topics.
Your goal is to write books in several genres, including business, tech mentoring, and even stories that reflect the real world. In doing so, you'll inevitably need to mention companies, software, or products. This lesson will give you the confidence to do that correctly and legally.
Our learning outcome is to: Navigate trademark considerations when discussing brands or products in your content.
We will cover:
- The fundamental difference between copyright and trademark.
- The principle of "nominative fair use," which allows you to mention brands.
- Practical rules for using trademarks in non-fiction guides, fiction, and even book titles.
- A step-by-step process for checking if a phrase is trademarked, which is crucial for titles and branding.
By the end of this lesson, you'll have a clear framework for deciding when and how to use brand names, protecting your work while adding authenticity.
1. Trademark vs. Copyright: A Quick Distinction
First, let's clarify our terms. In previous lessons, we've focused heavily on copyright, which protects creative works like the text of your book. A trademark, on the other hand, protects things that identify a brand in the marketplace.
A trademark can be a word, phrase, symbol, or design (like the Nike "swoosh" or the name "Coca-Cola") that distinguishes the goods of one party from those of others. Its primary purpose is to prevent consumer confusion about the source of a product.
To get a clear, lawyer-led explanation of this distinction and an introduction to trademark fair use, let's watch a short clip.
Copyright attorney introduces Fair Use (just the basics)
Please watch the following segments from the video "Copyright attorney introduces Fair Use (just the basics)" by Leonard French. He clearly separates the concepts of copyright and trademark and introduces the idea of using trademarks to refer to the actual product.
Watch the section from 1:00 to 1:31 to understand the difference between copyright and trademark. Then, watch the section from 5:32 to 6:12, which explains the core concept of "nominative fair use" and the "consumer confusion" test.
As the video explains, the central question in trademark infringement is: "Would the consumer be confused as to the source of goods?" If your book about dropshipping could be mistaken for an official publication by Walmart, that's a problem. If it's clearly a guide about selling on Walmart, that's generally acceptable. This principle is called nominative fair use.
2. Understanding "Nominative Fair Use": The Author's Right to Refer
Nominative fair use is the legal doctrine that allows you to use a trademarked name to refer to the trademark owner's actual product or service. This is essential for commentary, criticism, news reporting, and comparative advertising.
For a more detailed breakdown, the legal website Nolo.com provides a clear, three-part test that courts often use to determine if a use is fair.
Fair Use Defense: When Can You Use Another Owner's ...
The article "Fair Use Defense: When Can You Use Another Owner's Trademark Without Permission?" provides an excellent, in-depth explanation of this topic. We'll focus on the section explaining nominative fair use.
Please read the section titled "Nominative Fair Use." Pay close attention to the three requirements it lists. You can stop reading at the heading "Different Kinds of Nominative Fair Use."
To summarize the three critical rules for using a trademark under nominative fair use:
- Necessity: The product or service must not be readily identifiable without using the trademark. (You can't review an iPhone without calling it an "iPhone.")
- Proportionality: You only use the trademark as much as is reasonably necessary to identify it. (You can use the name "Microsoft Azure" in your tech guide, but you shouldn't plaster its logo on every page.)
- Non-endorsement: You must not do anything to suggest sponsorship or endorsement by the trademark holder. (Your book cover shouldn't look like it's an official manual from Amazon.)
This is directly relevant to your goal of writing mentoring books based on your IT experience. You can, and should, refer to specific software, platforms (like AWS or Google Cloud), and hardware by their names. Doing so is necessary for your guide to be useful.
3. Practical Scenarios for Authors
Let's move from the legal theory to practical application. How do these rules apply to the different kinds of books you want to write?
An excellent blog post by editor Kristen Stieffel provides practical, scenario-based advice for writers.
Q&A: Do you need permission to mention a product name?
Please read the article "Q&A: Do you need permission to mention a product name?" This post and its comment section address many common questions authors have, offering clear, real-world answers.
Read the main article and then look through the comments and replies, which are numbered. Pay special attention to the discussions around writing 'how-to' guides (comment #24), personifying a brand as a character (#13), and depicting brands in negative situations (#25).
Based on that resource and the legal principles we've covered, here are the key takeaways for your specific interests:
- For your Business and Tech Guides: You can absolutely use brand names in your title if the book is about that product (e.g., "A Beginner's Guide to Selling on Walmart Marketplace" or "Mastering Python with Visual Studio Code"). As discussed in the previous lesson, it's wise to include a disclaimer on your copyright page stating you are not affiliated with or endorsed by the company.
- For your Fiction and Children's Books: You can have characters drive a Toyota, eat at McDonald's, or play on a Nintendo Switch. This adds realism. However, you should avoid making a brand a central character (like "Uncle Google") or a pivotal, personified plot device. In those cases, it is much safer to invent a fictional brand.
- Depicting Negative Events: You can write about a Ferrari crashing in a racing novel. This is part of the realistic depiction of an activity. The key is not to imply the crash was due to an inherent flaw in the car's design or manufacturing. The negativity should stem from the plot (e.g., sabotage, driver error, normal wear and tear), not from a defamatory claim about the product itself.
Test your understanding!
You are planning two books:
- A children's comic book where the main character is a friendly robot named "Grok" who helps kids with their homework by answering questions.
- A non-fiction guide titled "Getting Started with Grok: A Guide to xAI's Chatbot for Beginners."
Based on what you've learned, which of these projects carries a significant trademark risk, and why?
Show answer
Book #1 (the children's comic) carries a significant trademark risk. By naming the main character "Grok," you are personifying a trademark and making it a central part of your creative work. This goes beyond simple nominative use and could be seen as creating a derivative work or causing confusion.
Book #2 (the non-fiction guide) is generally acceptable under nominative fair use. The title clearly indicates it's a guide about the product, not by the product's owner. Including a disclaimer of non-affiliation would further strengthen your position.
4. How to Check for Trademarks: A Practical Workflow
While you can freely mention famous brands like "Apple" or "Starbucks" when referring to their products, you need to be careful when choosing a title for your book or creating a brand for a book series. You wouldn't want to accidentally use a phrase that is already trademarked by someone else for use on books.
So, how do you check? The following video provides a simple 6-step process specifically for KDP authors.
How to Check for Trademarks for KDP Books (6 Types of Words)
The video "How to Check for Trademarks for KDP Books" by Royalty Wizard offers a very practical, step-by-step guide for checking words and phrases before you use them in a commercial context, like a book title.
Watch the video from 0:31 to 6:52. It will walk you through six types of words/phrases to consider and demonstrate how to use the USPTO (United States Patent and Trademark Office) database. The most important detail is the goods and services category for books, which is Class 016.
Here is a summary of that practical workflow:
- Avoid Famous Brands & Characters: Don't use "Harry Potter," "Nike," or "Pokémon" in your book titles or as series brands. This is high risk.
- Avoid Famous People: Similarly, avoid using celebrity names as your brand.
- Common Words are Usually Safe: Words like "Logbook" or "Coloring Book" are generic or descriptive and are not exclusively owned by one person for that use. A quick search on Amazon for the term will show thousands of other books, confirming it's a generic descriptor.
- Check Uncommon Words/Phrases: If you invent a clever phrase for your book title or series (e.g., "The Quantum Mindset"), you should check it.
- First, Google it. Does it belong to a famous movie, brand, or book series you didn't know about?
- Second, search the USPTO TESS database. In the video, he shows how to search for a "Basic Word Mark." The key is to check if any "LIVE" trademark exists in International Class 016, which covers paper goods, including books. If a phrase is trademarked for clothing (Class 025) but not books, you may be able to use it, but caution is still advised.

Conclusion
This lesson completes our module on the legal and ethical foundations of AI-assisted authorship. You now have a solid understanding of the key legal guardrails that will protect you as you publish.
Key Takeaways:
- Trademark law's main purpose is to prevent consumer confusion.
- Nominative fair use is your right as an author to mention brands by name when you are referring to, critiquing, or teaching about their products.
- The three rules of thumb are: use only what's necessary, don't imply endorsement, and be truthful.
- It's acceptable to use brand names in non-fiction guides and for realism in fiction, but avoid personifying a trademark as a main character.
- Always check the USPTO database for Class 016 before using an uncommon phrase as your book title or series name.
Module 2 Wrap-Up & Preview of the Next Lesson:
You've now built your legal foundation, covering copyright, plagiarism avoidance, disclaimers, and trademarks. With this framework in place, you can move forward with confidence into the creative and strategic phases of book creation.
In our next lesson, we will begin Module 3: Niche Research and Book Planning. We'll leave the legal discussions behind and start the exciting process of finding your audience and your next profitable book idea. Our first step will be to identify profitable book niches and sub-genres using Amazon bestseller analysis and keyword research tools.