Tokyo District Court, Reiwa 5 (Wa) 70380 [Rod-shaped light] <Presiding Judge Takahashi>
Updated: 3 days ago
Article information
Article type: Case note
Category: Patents
Issues: Claim interpretation, Support requirement
First published on this website: 2026-10-03
Court: Tokyo District Court
Case number: Reiwa 5 (Wa) 70380
Display and classification checked: 2026-10-03
Tokyo District Court, Reiwa 5 (Wa) 70380 [Rod-shaped light] <Presiding Judge Takahashi>
Claim elements not satisfied; support requirement violated.
The defendant's products 1 and 2 store a color through a long press and recall it through a short press. They therefore do not satisfy element J4, which requires the same input method.
Products 3 and 4 do not emit the recommended color solely upon detecting “the first predetermined input” of the second button. They therefore do not satisfy the configuration “when the first predetermined input is detected, … emit light.”
“The detailed description explains solving the problem through different input methods of the second button for storing the recommended color and emitting that color, but neither describes nor suggests solving the problem through the same input method for both.”
⇒ Support requirement violated.
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2026-10-03: First published on this website; classification, article information, and consultation guide were set.
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