How to exclude keywords, assignees, class codes, and inventors from results
You can use Amplified's filters to exclude particular keywords, class codes, assignees, or inventors. To exclude keywords just add the keyword under the Exclude keywords heading. Like Include keywords, you can enter multiple keywords or phrases, specify the fields to search in, and use advanced logic like wildcards and proximity operators.
Excluding class codes works like keywords. Just add the class code you wish to exclude under the Exclude class codes heading.
To exclude assignees and inventors add "-" before the company or inventor name
For example, let's say you want to exclude patents owned by Amazon or invented by Jeff Bezos. You could do that like this: