Teachers demonstrate patented technical solutions in class, which constitutes infringement. what

Does not constitute.

Displaying published works or patents for classroom teaching or scientific research in schools for the use of teaching or scientific researchers may be done without the permission of the copyright owner, but the name of the author and the name of the work shall be indicated.

Torts include: manufacturing, using, selling or promising to sell or import other people's patented products, or using other people's patented methods to use, sell or import products directly obtained by this method.