Is it infringing to lecture with other people's ppt?

The subjectivity of law: 1. Is it infringement to use other people's videos as courseware? If teachers use online video for teaching, it does not constitute infringement, because it is allowed by the state and belongs to legal use. An act of copyright infringement must meet the following three conditions: 1. The fact of infringement refers to the actor's use of the copyright owner's works, performances, audio-visual products and radio and television programs in accordance with the conditions of use stipulated in the copyright law without the permission of the copyright owner. 2. The behavior is illegal. Copyright is an absolute right, and everyone has the obligation of inaction that cannot infringe this right. 3. The actor is subjectively at fault. The so-called fault refers to the mental state of the infringer's infringement and its consequences, including intentional and negligent forms. Teachers use courseware for teaching, not for profit, but for students' learning and appreciation, which generally does not cause infringement. Second, how to judge whether the pictures from the Internet are infringing 1, or the pictures directly captured by search engines have no famous source or author. 2. Forward the pictures that the author explicitly stated that reprinting is prohibited. 3. Secondary processing or use of the picture without the consent of the original author. 4. Commercialize the picture without the author's consent. 5. Share in violation of the clear sharing rules of the photo sharing website. Third, how to punish the infringement of others' copyright should bear civil liabilities such as stopping the infringement, eliminating the influence, apologizing and compensating for losses according to the situation; At the same time, if the public interest is harmed, the copyright administrative department may order it to stop the infringement, confiscate the illegal income, confiscate and destroy the infringing copy, and may also impose a fine; If the circumstances are serious, the copyright administrative department may also confiscate the materials, tools and equipment mainly used for making infringing copies; If a crime is constituted, criminal responsibility shall be investigated according to law. The above is about the infringement of using other people's videos as courseware. According to the relevant regulations, the use of other people's videos in class is not for profit, and generally it will not cause infringement. But to be on the safe side, the author's source and other information are finally indicated to avoid unnecessary conflicts.