Yes, they are. Sometimes the lines become problematic. A famous example is Apple...

		ska on April 24, 2023 \| parent \| context \| favorite \| on: OpenAI has applied for “GPT” trademark with USPTO Yes, they are. Sometimes the lines become problematic. A famous example is Apple Computer and Apple Corps (the Beatles music holding company) with a long history of arguing about lines: https://en.wikipedia.org/wiki/Apple_Corps_v_Apple_Computer