There are more than two million registered trademarks in the US alone.
Yes, if they are likely to be used in trade separate from the book. There are many Harry Potter trademarks, for example.
No, but many are registered as trademarks.
Unfortunately, many are registered trademarks.
Spyderco has 54 patents and 36 trademarks.
Trademarks are not assigned to prairie dogs.
Copyrights, Trademarks and Patents are examples of Intellectual Property.
The U.S. Patent and Trademark Office's website has lots of information on trademarks. It is the most reliable source of information on trademarks. Searches can be performed for trademarks for free.
According to the Trademark Electronic Search System (TESS) at the US Patent & Trademark Office there are 28 trademarks associated with the name "westlaw" and 15 of those are still live.
Luella Tilton Hart has written: 'Directory of German dolls trademarks, 1875-1960' -- subject(s): Dolls, Trademarks 'Directory of United States doll trademarks, 1888-1968' -- subject(s): Directories, Dolls, Patents, Trademarks
No
No
The creation of trademarks involves the development of symbols or other devices to identify products and services in the marketplace.