While some publishers have imposed restrictions or blocked content in their fight against ad - blockers , others are considering taking legal action against the use of ad - blocking software . ’s page appears to users, publishers argue, constitutes the making of a derivative work of the page without permission, which is a form of infringement. Even the Interactive Advertising Bureau has said that it is looking into litigation against ad - blockers . Copyright has provided the most common ground for publishers to fight against ad - blockers , with publishers maintaining that ad - blockers rely on copyrights , as they change publishers ’ pages . Hence , many publishers have altered the wording in their terms of use to include language such as ' users are prohibited from blocking or obscuring ads that appear on their websites ' , or words similar to that effect .
While some publishers have imposed restrictions or blocked content in their fight against ad - blockers , others are considering taking legal action against the use of ad - blocking software . Even the Interactive Advertising Bureau has said that it is looking into litigation against ad - blockers . Copyright has provided the most common ground for publishers to fight against ad - blockers , with publishers maintaining that ad - blockers rely on copyrights , as they change publishers ’ pages . Hence , many publishers have altered the wording in their terms of use to include language such as ' users are prohibited from blocking or obscuring ads that appear on their websites ' , or words similar to that effect .