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Chen, Yan patent opposition analysis

Comprehensive Analysis, Strategic Insights & Expert Evaluation – Stay Ahead in Your Patent Challenge.

Explore patent oppositions filed by Chen, Yan against competitors, revealing strategic technology disputes and market positioning.

Last updated on: Sep 11, 2025

Patent Number	Title	Applicant	Opposition Date
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EP3288487	System And Method For Training Dentists In Endodontal Treatment Techniques	DENTSPLY SIRONA	Apr 20, 2021