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2026 Case ListSCIENTIFIC CALCULATOR CASIO
SCIENTIFIC CALCULATOR CASIO
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Brand owner: Casio Computer Co., Ltd.
Prosecution Type: Trademark & Patent
Acting law firm: HSP (Hughes Socol Piers Resnick & Dym, Ltd.) – Chicago – Illinois – USA
History of incidents:
| Prosecution time | Case number | law firm | Brand | Brand side |
| 26/11/2025 | 25-cv-14456 | HSP | Scientific Calculator Casio | Casio Computer Co., Ltd. |
| 26/11/2025 | 25-cv-14457 | HSP | Scientific Calculator Casio | Casio Computer Co., Ltd. |
| 25/11/2025 | 25-cv-14379 | HSP | Scientific Calculator Casio | Casio Computer Co., Ltd. |
| 25/11/2025 | 25-cv-14381 | HSP | Scientific Calculator Casio | Casio Computer Co., Ltd. |
| 24/11/2025 | 25-cv-14336 | HSP | Scientific Calculator Casio | Casio Computer Co., Ltd. |
| 24/11/2025 | 25-cv-14340 | HSP | Scientific Calculator Casio | Casio Computer Co., Ltd. |
| 02/09/2025 | 25-cv-10451 | HSP | Scientific Calculator Casio | Casio Computer Co., Ltd. |
| 02/09/2025 | 25-cv-10453 | HSP | Scientific Calculator Casio | Casio Computer Co., Ltd. |
| 02/09/2025 | 25-cv-10450 | HSP | Scientific Calculator Casio | Casio Computer Co., Ltd. |
| 27/08/2025 | 25-cv-10234 | HSP | Scientific Calculator Casio | Casio Computer Co., Ltd. |
| 27/08/2025 | 25-cv-10240 | HSP | Scientific Calculator Casio | Casio Computer Co., Ltd. |
| 10/4/2024 | 24-cv-02887 | HSP | Casio Scientific Calculator | Casio Computer Co., Ltd. |
| 7/11/2023 | 23-cv-15704 | HSP | Casio Scientific Calculator | Casio Computer Co., Ltd. |
| 2/10/2023 | 23-cv-14348 | HSP | Casio Scientific Calculator | Casio Computer Co., Ltd. |
| 29/9/2023 | 23-cv-14325 | HSP | Casio Scientific Calculator | Casio Computer Co., Ltd. |
| 2023/2/17 | 23-cv-978 | HSP | Casio Scientific Calculator | Casio Computer Co., Ltd. |
| 2023/2/16 | 23-cv-953 | HSP | Casio Scientific Calculator | Casio Computer Co., Ltd. |
| 2023/2/14 | 23-cv-895 | HSP | Casio Scientific Calculator | Casio Computer Co., Ltd. |
| 2022/5/4 | 22-cv-2320 | HSP | Casio Scientific Calculator | Casio Computer Co., Ltd. |
| 2022/4/27 | 22-cv-2182 | HSP | Casio Scientific Calculator | Casio Computer Co., Ltd. |
| 2022/4/14 | 22-cv-1923 | HSP | Casio Scientific Calculator | Casio Computer Co., Ltd. |
Brand introduction:
Casio Computer Co., Ltd. is a Japanese multinational electronics company that was founded in 1946. The company is headquartered in Tokyo, Japan, and is well-known for its high-quality electronic products, including calculators, watches, musical instruments, and digital cameras.
Casio’s product line includes a wide range of consumer electronics, from basic calculators to advanced scientific models. Their calculators are popular among students, professionals, and mathematicians, thanks to their accuracy and ease of use.
Casio is also famous for its watches, which are renowned for their durability, accuracy, and innovative features. The company produces both analog and digital watches, and many of their models are equipped with advanced features such as alarms, timers, and world time zones.
In addition to watches and calculators, Casio also produces a range of musical instruments, including keyboards, digital pianos, and synthesizers. These products are popular among both professional musicians and beginners, thanks to their advanced features and intuitive controls.
Product official website: https://www.casio-intl.com/asia/en/calc 
Registered Trademark & Patent:
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REBEKAH LEIGH MARSHALL WORKS Follow us on Telegram to get the newest updates about lawsuit cases: https://t.me/pglaw You’re sued and your balance is frozen? Don’t worry, we can help to settle and release your balance. Learn more Brand side: Rebekah Leigh Marshall Prosecution Type: Copyright Law Firm: Keith (Keith Vogt, Ltd.) – Chicago – IL […]
CINDY JACOBS PRODUCTS Follow us on Telegram to get the newest updates about lawsuit cases: https://t.me/pglaw You’re sued and your balance is frozen? Don’t worry, we can help to settle and release your balance. Learn more Brand side: Cynthia Jo Jacobs Prosecution Type: Copyright Law Firm: Keith (Keith Vogt, Ltd.) – Chicago – IL – […]