Dual Expressive Matrix Visualizer
Real-time Canvas Rendering
AUTHENTIC ORIGINAL WORK
Target Reference
Standard 10x20 Matrix, Specific 7-Tetramino Palettes, Ghost Shadows, Defined Bevels
INSPECTED CLONE / ADAPTATION
Infringing Expression
Legal Doctrine Breakdown: Idea vs. Expression
17 U.S.C. § 102(b) & Mechanics Fair Use
Unprotected Idea/Rules: Copyright protection does not extend to any idea, procedure, process, system, or method of operation. Falling puzzle polyominoes, rotating blocks, and clearing horizontal rows are unprotected functional game mechanics.
Scènes à Faire & Expressive Trade Dress
Protected Expression: The specific 10x20 playfield grid ratio, exact block color assignments (cyan I, yellow O, purple T), piece drop animations, audio cues, and deliberate visual framing constitute protectable creative expression (Tetris v. Xio, 863 F. Supp. 2d 394).
Case Law & Risk Dossier (Deterministic Telemetry)