Patent Technical Solutions Should Not Be Deemed Obvious Solely Based on Same Principle; Prior Decisions Require Cautious Treatment When Patent Rights Are Repeatedly Challenged for Invalidation

This document from the Supreme People's Court Intellectual Property Tribunal provides judicial guidance on patent invalidation proceedings, emphasizing that a patent should not be ruled obvious merely because it shares a principle with prior art, and that prior invalidation decisions must be treated with caution when patent rights face repeated challenges.